Patent Description:
In recent years, an electric straddle-type vehicle that travels on electric power has been developed. As the electric straddle-type vehicle, a scooter-type vehicle in which a battery is accommodated below a seat is known (for example, see Patent Literature <NUM>). In the straddle-type vehicle disclosed in Patent Literatures <NUM> and <NUM>, a pair of left and right seat frames supporting the seat from below are provided, and a battery accommodation space is formed inside the pair of left and right seat frames. An electric device such as a charger or a motor is connected to the battery via a plurality of harnesses. The battery is charged from an external power supply via the charger, and electric power is supplied from the battery to the motor via a plurality of harnesses.

Patent Literature <NUM>: <CIT> and Patent literature <NUM>: <CIT>.

In such a straddle-type vehicle, a harness connector protrudes outward from a battery case of the battery. Therefore, the harness connector protruding from the battery case is easily damaged. In addition, with an amount of the harness connector protruded from the battery case, the accommodation space of the battery is not effectively utilized, and it is difficult to further increase a battery capacity.

The present invention, which is given in the claims, has been made in view of the above points, and an object of the present invention is to provide a battery capable of protecting a connector and sufficiently ensuring a battery capacity.

A battery to be installed below a seat of an electric straddle-type vehicle, the battery comprising: a battery case of the battery to be installed inside a body of the straddle-type vehicle; and a harness connector installed in the battery to which a harness extending from an electric device is connected, in which a protruding portion is formed in and protrudes from one surface of the battery case, and the harness connector is provided on a side surface of the protruding portion, and the harness connector overlaps the battery case viewed from a normal direction of the one surface, and the harness connector overlaps the protruding portion viewed from a direction perpendicular to the normal direction, thereby solving the above problems.

According to the battery of one aspect of the present invention, the harness connector is protected from an external force from a front side by the protruding portion, and the harness connector is protected from an external force from a left-right side by the battery case. The protrusion of the harness connector from an outer surface of the battery case is prevented, and the accommodation space of the battery is effectively utilized for installation of the battery case, so that the battery capacity can be sufficiently ensured.

A battery according to an aspect of the present invention is installed below a seat of an electric straddle-type vehicle. A battery case of the battery is installed inside a body of the straddle-type vehicle, and a harness extending from an electric device is connected to a harness connector of the battery. A protruding portion protrudes from one surface of the battery case, and a harness connector is provided on a side surface of the protruding portion. The harness connector overlaps the battery case viewed from a normal direction of the one surface, and the harness connector is protected from an external force from a left-right side by the battery case. The harness connector overlaps the protruding portion viewed from a direction perpendicular to the normal direction, and the harness connector is protected from an external force from a front side by the protruding portion. Protrusion of the harness connector from an outer surface of the battery case is prevented, and an accommodation space of the battery is effectively utilized for installation of the battery case, so that a battery capacity is sufficiently ensured.

Hereinafter, the present embodiment will be described in detail with reference to the accompanying drawings. In the present embodiment, the straddle-type vehicle is a straddle-type vehicle of a scooter type, but the straddle-type vehicle may be a straddle-type vehicle of an electric or hybrid type. In addition, in the following drawings, an arrow FR indicates a vehicle front side, an arrow RE indicates a vehicle rear side, an arrow L indicates a vehicle left side, and an arrow R indicates a vehicle right side. <FIG> is a left side view of the straddle-type vehicle according to the present embodiment.

As shown in <FIG>, a straddle-type vehicle <NUM> of a scooter type is formed by attaching various covers to an underbone type vehicle body frame <NUM> (see <FIG>) as a vehicle body exterior. A front frame cover <NUM> is provided on a front side of a vehicle, and a leg shield <NUM> that protects legs of a rider is provided on a rear side of the front frame cover <NUM>. A footboard <NUM> extends rearward from a lower end of the leg shield <NUM>, and a seat frame cover <NUM> is provided on a rear side of the footboard <NUM>. A foot rest space for the rider is formed in front of a seat <NUM> by the leg shield <NUM> and the footboard <NUM>.

A handle <NUM> is provided on an upper side of the front frame cover <NUM>, and a front wheel <NUM> is rotatably supported on a lower side of the front frame cover <NUM> via a pair of front forks <NUM>. The seat <NUM> is provided on an upper side of a seat frame cover <NUM>, and a swing arm (not shown) covered by a swing arm cover <NUM> is provided on a lower side of the seat frame cover <NUM>. A rear wheel <NUM> is rotatably supported at a rear portion of the swing arm, and a rear portion of the swing arm is connected to the vehicle body frame <NUM> via a suspension <NUM>. A battery <NUM> (see <FIG>) is accommodated below the seat <NUM>.

As shown in a comparative example of <FIG>, a harness connector <NUM> protrudes from an outer surface of a battery case <NUM> in a general battery <NUM>, and the electric device such as a charger or a motor is connected to the harness connector <NUM> via a harness <NUM>. A protective member must be provided around such a harness connector <NUM> in order to ensure durability and waterproof properties. Since the harness connector <NUM> protrudes from the outer surface of the battery case <NUM>, a dead space becomes large and it is difficult to ensure a sufficient battery capacity. Therefore, in the battery <NUM> of the present embodiment, harness connectors <NUM> and <NUM> are installed so as to prevent protrusion from a battery case <NUM> (see <FIG>).

Hereinafter, a vehicle body frame and a battery of the present embodiment will be described with reference to <FIG>. <FIG> is a right side view of the vehicle body frame and the electric device according to the present embodiment. <FIG> is a perspective view of the vehicle body frame and the electric device according to the present embodiment. <FIG> is a perspective view of the seat frame cover and the battery according to the present embodiment.

As shown in <FIG>, a head pipe <NUM> into which a steering shaft (not shown) is inserted is provided in a front portion of the vehicle body frame <NUM>. A front frame <NUM> extends downward from the head pipe <NUM>, and a pair of lower frames <NUM> extend rearward from a lower portion of the front frame <NUM>. A pair of seat frames <NUM> rise obliquely rearward from substantially middle portions of the pair of lower frames <NUM>, and a pair of support frames <NUM> rise obliquely rearward from rear portions of the pair of lower frames <NUM>. Rear portions of the pair of support frames <NUM> are connected to rear portions of the pair of seat frames <NUM> from below.

An accommodation space of the battery <NUM> is formed between the pair of seat frames <NUM> and the pair of support frames <NUM>, that is, inside the seat frame cover <NUM>. A charger <NUM> that converts power source power into DC power having a predetermined voltage, the battery <NUM> that is charged with the DC power from the charger <NUM>, and a DC-DC converter <NUM> that steps down a voltage of the DC power are installed on an upper side of the accommodation space. A motor <NUM> that is driven by AC power is installed in a lower portion of the accommodation space. An inverter <NUM> that converts the DC power into AC power is installed in front of the motor <NUM>, and the motor <NUM> is connected to the battery <NUM> via the inverter <NUM>.

The pair of seat frames <NUM> and the pair of support frames <NUM> are connected to each other in a front-rear direction via a pair of pivot brackets <NUM>. The swing arm (not shown) is connected to the pair of pivot brackets <NUM> so as to be swingable in an upper-lower direction, and the swing arm cover <NUM> is attached to the swing arm as described above. A sprocket (not shown) and a chain (not shown) of the motor <NUM> are covered by the swing arm cover <NUM>. Electric power of the battery <NUM> is supplied to the motor <NUM>, and a drive force is output from the motor <NUM> to the rear wheel <NUM> via the sprocket and the chain.

As shown in <FIG>, the battery <NUM> is attached below the seat <NUM> (see <FIG>), between the pair of seat frames <NUM> and the pair of support frames <NUM>. A pair of holder plates <NUM> are provided on the seat frames <NUM>, and a bridge <NUM> extending in a vehicle width direction is fixed to the pair of holder plates <NUM>. Since the pair of seat frames <NUM> are connected to each other via the bridge <NUM>, rigidity and strength of the entire vehicle body frame <NUM> are improved. The battery <NUM> is attached to an upper side of the bridge <NUM>, and the motor <NUM> (see <FIG>) is attached to a lower side of the bridge <NUM>.

A pair of holder brackets <NUM> are provided at both ends of the bridge <NUM>, and the pair of holder brackets <NUM> are fixed to the pair of holder plates <NUM>. The pair of holder plates <NUM> protrude forward than the pair of seat frames <NUM>, and the pair of holder brackets <NUM> protrude forward than the pair of holder plates <NUM>. The bridge <NUM> is positioned forward than the seat frame <NUM> by the pair of holder brackets <NUM> and the pair of holder plates <NUM>. The bridge <NUM> is curved forward from the pair of holder brackets <NUM> on an outer side in the vehicle width direction toward an inner side in the vehicle width direction so as not to interfere with a lower front side of the battery <NUM>.

The bridge <NUM> is provided with a pair of battery brackets <NUM> and a pair of motor brackets <NUM> spaced apart in the vehicle width direction. The pair of battery brackets <NUM> protrude upward from the bridge <NUM> to support the battery <NUM> from below, and the pair of motor brackets <NUM> protrude downward from the bridge <NUM> to support the motor <NUM> from above. Base end portions of the brackets <NUM> and <NUM> are joined to a surface of the bridge <NUM>, and tip end portions of the brackets <NUM> and <NUM> have mounting holes for screwing. The pair of battery brackets <NUM> support the battery <NUM> near a center of the bridge <NUM>, and the pair of motor brackets <NUM> support the motor <NUM> on the outer side in the vehicle width direction than the pair of battery brackets <NUM>.

A battery module (not shown) is accommodated in the battery case <NUM> of the battery <NUM>. The battery module connects a plurality of battery cells, and the battery module is charged with electric power for traveling. The battery case <NUM> has a left and right split structure, and includes a case half body <NUM> on a left side and a case half body <NUM> on a right side. The case half body <NUM> on the left side is formed in a box shape with a right side opened, and the case half body <NUM> on the right side is formed in a box shape with a left side opened. The case half body <NUM> on the left side is positioned to a left side of the accommodation space, and the case half body <NUM> on the right side is positioned at a center of the accommodation space.

From a front surface of the battery <NUM>, a vicinity of mating surfaces of the left case half body <NUM> and the right case half body <NUM> protrudes forward to form a vertically long protruding portion <NUM>. A seat connecting portion <NUM> protrudes forward from an upper portion of a front surface of the case half body <NUM> on the right side, and a case fixing portion <NUM> protrudes forward from a lower portion of the front surface of the case half body <NUM>. A partition wall <NUM> that divides a space on a right side of the protruding portion <NUM> into an upper space and a lower space is formed in a central portion of the front surface of the case half body <NUM>. A low voltage harness connector <NUM> is provided on a right side surface of the protruding portion <NUM> between the seat connecting portion <NUM> and the partition wall <NUM>, and a high voltage harness connector <NUM> is provided on the right side surface of the protruding portion <NUM> between the partition wall <NUM> and the case fixing portion <NUM>.

A seat hinge bracket (not shown) fixed to the seat <NUM> is swingably supported on the seat connecting portion <NUM>. The seat <NUM> is supported from below by the battery <NUM> inside the seat frame cover <NUM> (see <FIG>) via the seat hinge bracket. When the seat <NUM> is opened with a front end portion of the battery <NUM> as a fulcrum, the battery <NUM> inside the seat frame cover <NUM> is exposed to the outside. Since the seat connecting portion <NUM> is integrally formed in the case half body <NUM> on the right side, a supporting rigidity of the seat connecting portion <NUM> with respect to a downward load from the seat <NUM> is increased in a state where the seat <NUM> is opened.

The case fixing portion <NUM> is formed in a cylindrical shape with a mounting hole penetrating in the vehicle width direction. A long bolt is inserted into the mounting hole of the case fixing portion <NUM> and mounting holes of the pair of battery brackets <NUM>, and the case fixing portion <NUM> is fixed to the pair of battery brackets <NUM> via the long bolt. Since the bridge <NUM> of the vehicle body frame <NUM> is brought close to the case fixing portion <NUM> of the battery case <NUM>, the pair of battery brackets <NUM> are formed short to increase the supporting rigidity. Although not described in detail, the battery <NUM> is provided with a plurality of fixing portions that are fixed to the seat frame <NUM> in addition to the case fixing portion <NUM>.

The charger <NUM> and the DC-DC converter <NUM> are attached to a right side surface of the battery case <NUM> via a plate-shaped bracket <NUM>. The charger <NUM> is formed in a rectangular prism box shape, and is adjacent to a right side of a rear half portion of the battery case <NUM>. The DC-DC converter <NUM> is formed in a rectangular prism box shape, and is adjacent to a right side of a front half portion of the battery case <NUM>. A controller <NUM> is attached to the support frame <NUM> on a right side of the charger <NUM>. As described above, the motor <NUM> (see <FIG>) is provided below the battery <NUM>, and the inverter <NUM> is provided between the pair of lower frames <NUM> in front of the motor <NUM>.

A low voltage harness <NUM> and high voltage harnesses <NUM> and <NUM> are laid inside the straddle-type vehicle <NUM>. The low voltage harness <NUM> is used to transmit a control signal, and connects respective electrical components including the DC-DC converter <NUM>, the battery <NUM>, and the controller <NUM>. The high voltage harness <NUM> is used to supply electric power, and connects the charger <NUM>, the DC-DC converter <NUM>, and the battery <NUM>. The high voltage harness <NUM> is used to supply electric power, and connects the battery <NUM> and the inverter <NUM>. Although not described in detail, the inverter <NUM> and the motor <NUM> are also connected by a harness (not shown).

The low voltage harness <NUM> is connected to the low voltage harness connector <NUM> on an upper side of the front surface of the case half body <NUM> on the right side, and the high voltage harness <NUM> is connected to the high voltage harness connector <NUM> on a lower side of the front surface of the case half body <NUM> on the right side. The low voltage harness <NUM> and the high voltage harness <NUM> are drawn in a right direction from the low voltage harness connector <NUM> and the high voltage harness connector <NUM>, respectively. The high voltage harness <NUM> is connected to a high voltage harness connector <NUM> (see <FIG>) of the case half body <NUM> on the left side, and is drawn downward from the high voltage harness connector <NUM>. The right side of the protruding portion <NUM> serves as a passage for the low voltage harness <NUM> and the high voltage harness <NUM>, and the left side of the protruding portion <NUM> serves as a passage for the high voltage harness <NUM>.

As shown in <FIG>, when the seat frame cover <NUM> is attached to the vehicle body frame <NUM>, the accommodation space of the battery <NUM> is formed inside the seat frame cover <NUM>. The accommodation space of the battery <NUM> is formed such that a dimension in the vehicle width direction decreases from the vehicle rear side toward the vehicle front side. The protruding portion <NUM> (see <FIG>) of a front surface of the battery case <NUM> is positioned at a front end of the accommodation space. Accordingly, the accommodation space is effectively utilized for installation of the battery case <NUM>, and the battery capacity is sufficiently ensured by increasing a size of the battery. Even when the protruding portion <NUM> is positioned at the front end of the accommodation space, a mounting space for the low voltage harness <NUM> and the high voltage harnesses <NUM> and <NUM> (see <FIG>) is sufficiently ensured.

A maintenance opening is formed in a front surface of the seat frame cover <NUM>, and this maintenance opening is covered by a maintenance cover <NUM>. The maintenance cover <NUM> is detachably attached to the partition wall <NUM> (see <FIG>) on the front surface of the battery case <NUM> by a fixing member (not shown). By removing the maintenance cover <NUM> from the partition wall <NUM>, it is possible to access the inside of the seat frame cover <NUM> from the outside. Thus, the battery case <NUM> is installed inside a body of the straddle-type vehicle <NUM> in consideration of an effective utilization of the accommodation space of the battery <NUM> and a maintainability of the battery <NUM>.

Hereinafter, a detailed configuration of the battery will be described with reference to <FIG> and <FIG>. <FIG> is a front view of the battery according to the present embodiment. <FIG> is a right side view of the battery according to the present embodiment.

As shown in <FIG>, the vertically long protruding portion <NUM> is formed along mating surfaces of the left case half body <NUM> and the right case half body <NUM> on the front surface of the battery case <NUM>. The seat connecting portion <NUM>, the partition wall <NUM>, and the case fixing portion <NUM> are formed on the right side of the protruding portion <NUM>. The seat connecting portion <NUM> protrudes from an upper portion of the front surface of the battery case <NUM>, the partition wall <NUM> protrudes from a central portion of the front surface of the battery case <NUM>, and the case fixing portion <NUM> protrudes from a lower portion of the front surface of the battery case <NUM>. An upper mounting space and a lower mounting space for the low voltage harness <NUM> and the high voltage harness <NUM> (see <FIG>) is formed on the right side of the protruding portion <NUM> by the seat connecting portion <NUM>, the partition wall <NUM>, and the case fixing portion <NUM>.

The low voltage harness connector <NUM> protrudes from the right side surface of the protruding portion <NUM> in the upper mounting space. The low voltage harness <NUM> extending from the respective electrical components is connected to the low voltage harness connector <NUM>. A high voltage harness connector <NUM> protrudes from the right side surface of the protruding portion <NUM> in the lower mounting space. The high voltage harness <NUM> extending from the charger <NUM> or the like is connected to the high voltage harness connector <NUM>. The high voltage harness connector <NUM> is provided on the front surface of the battery case <NUM> on the left side of the protruding portion <NUM>. The high voltage harness <NUM> extending from the inverter <NUM> is connected to the high voltage harness connector <NUM>.

In a front view, the low voltage harness connector <NUM> and the high voltage harness connector <NUM> overlap the battery case <NUM> (the case half body <NUM> on the right side). Specifically, the entire harness connectors <NUM> and <NUM> are positioned inside a projection surface on the front surface of the battery case <NUM>. Further, protruding lengths L1 and L2 of the harness connectors <NUM> and <NUM> are formed shorter than a width L3 from the right side surface of the protruding portion <NUM> to a right end of the seat connecting portion <NUM> and a width L4 from the right side surface of the protruding portion <NUM> to a right end of the partition wall <NUM>. Therefore, the harness connectors <NUM> and <NUM> are protected from an external force from a right side by the battery case <NUM>, the seat connecting portion <NUM>, and the partition wall <NUM>.

As shown in <FIG>, the low voltage harness connector <NUM> and the high voltage harness connector <NUM> overlap the protruding portion <NUM> in a left-right side view. Specifically, the entire harness connectors <NUM> and <NUM> are positioned inside a projection surface of a side surface of the projection surface <NUM>. Accordingly, the harness connectors <NUM> and <NUM> are protected from an external force from a front by the protruding portion <NUM>. The harness connectors <NUM> and <NUM> are covered with the seat connecting portion <NUM> from above, and the seat connecting portion <NUM> is disposed above the harness connectors <NUM> and <NUM> and at a position so as to overlap the harness connectors <NUM> and <NUM> viewed from an upper side. Accordingly, the harness connectors <NUM> and <NUM> are protected from an external force, a water droplet, or the like from above by the seat connecting portion <NUM>. The harness connectors <NUM> and <NUM> are covered with the case fixing portion <NUM> from below, and the case fixing portion <NUM> is disposed below the harness connectors <NUM> and <NUM> and at a position so as to overlap the harness connectors <NUM> and <NUM> viewed from a lower side. Accordingly, the harness connectors <NUM> and <NUM> are protected from an external force, a water droplet, or the like from below by the case fixing portion <NUM>.

The high voltage harness connector <NUM> is installed below the low voltage harness connector <NUM>. Accordingly, the high voltage harness connector <NUM> is sufficiently separated from the rider seated on the seat <NUM> (see <FIG>), and safety is enhanced. Both connector ports of the harness connectors <NUM> and <NUM> are directed to the right direction (front side in a paper of <FIG>). Therefore, harnesses are connected to the harness connectors <NUM> and <NUM> from the same direction, and a mountability of the harness to the battery <NUM> is improved. A space directly below the seat connecting portion <NUM> is used as a connector mounting space, and the harness connectors <NUM> and <NUM> are prevented from protruding from a front end of the battery case <NUM>, so that the accommodation space of the battery <NUM> is effectively utilized.

As described above, according to the present embodiment, the low voltage harness connector <NUM> and the high voltage harness connector <NUM> are protected from the external force from a front side by the protruding portion <NUM>, and the low voltage harness connector <NUM> and the high voltage harness connector <NUM> are protected from the external force from a left-right side by the right side surface of the battery case <NUM>. Therefore, there is no need to provide a protective member around the harness connectors <NUM> and <NUM>, and the number of components can be reduced. The protrusion of the harness connectors <NUM> and <NUM> from an outer surface of the battery case <NUM> is prevented, and the accommodation space of the battery <NUM> is effectively utilized for the installation of the battery case <NUM>, so that the battery capacity can be sufficiently ensured.

The battery of the present embodiment is not limited to the straddle-type vehicle of the scooter type, and may be adopted in other types of straddle-type vehicles. The straddle-type vehicle is not limited to a motorcycle, and may be a vehicle in which a battery is installed below the seat.

In the present embodiment, the low voltage harness connector and the high voltage harness connector are provided as the harness connector in the battery, but at least one of the low voltage harness connector and the high voltage harness connector may be provided. The number of harness connectors is not particularly limited.

In the present embodiment, the battery is provided with a signal connector as a low voltage harness connector and a power connector as a high voltage harness connector, but the low voltage harness may be connected to a harness connector with a lower voltage than the high voltage harness connector.

In the present embodiment, the protruding portion protrudes from the front surface of the battery case and the harness connector is provided on the side surface of the protruding portion, but the protruding portion may protrude from an upper surface or a rear surface of the battery case, and the harness connector may be provided on the side surface of the protruding portion. That is, the protruding portion may protrude from one surface of the battery case in a normal direction of the one surface to an outside of the battery case, and the harness connector may be provided on the side surface of the protruding portion. In the case, the harness connector overlaps the battery case viewed from the normal direction, and the harness connector overlaps the protruding portion viewed from an one direction of two directions perpendicular to the normal direction, such that the two directions are perpendicular to each other.

In the present embodiment, the seat connecting portion overlaps the harness connector from above viewed from the upper side, but a positional relationship between the seat connecting portion and the harness connector is not particularly limited as long as the harness connector can be protected from an external force from the front side and the left-right side.

In the present embodiment, the case fixing portion overlaps the harness connector from below viewed from the lower side, but a positional relationship between the case fixing portion and the harness connector is not particularly limited as long as the harness connector can be protected from an external force from the front side and the left-right side.

In the present embodiment, the charger, the DC-DC converter, the controller, and the respective electrical components are illustrated as examples of the electric device, but the electric device may be a component that is connected to the harness connector via the harness.

In the present embodiment, the battery is fixed to the vehicle body frame, but a battery holder may be fixed to the vehicle body frame, and the battery may be detachably attached to the battery holder.

As described above, the battery (<NUM>) according to the present embodiment is a battery to be installed below the seat (<NUM>) of the electric straddle-type vehicle (<NUM>), and the battery includes: the battery case (<NUM>) to be installed inside the body of the straddle-type vehicle; and the harness connector (the low voltage harness connector <NUM>, the high voltage harness connector <NUM>) to which the harness (the low voltage harness <NUM>, the high voltage harness <NUM>) extending from the electric device is connected, in which the protruding portion (<NUM>) protrudes from one surface of the battery case, and the harness connector is provided on a side surface of the protruding portion, and the harness connector overlaps the battery case viewed from a normal direction of the one surface , and the harness connector overlaps the protruding portion viewed from a direction perpendicular to the normal direction. According to this configuration, the harness connector is protected from the external force from the front side by the protruding portion, and the harness connector is protected from the external force from the left-right side by the battery case. The protrusion of the harness connector from the outer surface of the battery case is prevented, and the accommodation space of the battery is effectively utilized for installation of the battery case, so that the battery capacity can be sufficiently ensured.

In the battery of the present embodiment, the protruding portion protrudes from the front surface of the battery case, and the harness connector overlaps the battery case in the front view. According to this configuration, even if the accommodation space in which the dimension in the vehicle width direction decreases from the vehicle rear side toward the vehicle front side is formed below the seat, the accommodation space can be effectively utilized for the installation of the battery case.

In the battery of the present embodiment, the seat connecting portion (<NUM>) protrudes from the upper portion of the front surface of the battery case, and the seat connecting portion is disposed above the harness connector and at a position so as to overlap the harness connector viewed from an upper side. According to this configuration, the harness connector is protected from an external force, a water droplet, or the like from above by the seat connecting portion.

In the battery of the present embodiment, the case fixing portion (<NUM>) protrudes from the lower portion of the front surface of the battery case, and the case fixing portion is disposed below the harness connector and at a position so as to overlap the harness connector viewed from a lower side. According to this configuration, the harness connector is protected from an external force, a water droplet, or the like from below by the case fixing portion.

In the battery of the present embodiment, the harness connector includes the low voltage harness connector (<NUM>) to which the low voltage harness (<NUM>) is connected and the high voltage harness connector (<NUM>) to which the high voltage harness (<NUM>) is connected, and the high voltage harness connector is installed below the low voltage harness connector. According to this configuration, the high voltage harness connector can be sufficiently separated from the rider seated on the seat to enhance the safety.

Claim 1:
A battery (<NUM>) to be installed below a seat (<NUM>) of an electric straddle-type vehicle (<NUM>), the battery (<NUM>) comprising:
a battery case (<NUM>) of the battery (<NUM>) to be installed inside a body of the straddle-type vehicle (<NUM>); and
a harness connector (<NUM>, <NUM>) installed in the battery (<NUM>) to which a harness (<NUM>, <NUM>) extending from an electric device is connected, wherein
a protruding portion (<NUM>) is formed in and protrudes from one surface of the battery case (<NUM>), and the harness connector (<NUM>, <NUM>) is provided on a side surface of the protruding portion (<NUM>), and
the harness connector (<NUM>, <NUM>) overlaps the battery case (<NUM>) viewed from a normal direction of the one surface, and the harness connector (<NUM>, <NUM>) overlaps the protruding portion (<NUM>) viewed from a direction perpendicular to the normal direction.