Patent ID: 6869309

Claim:
An uninterruptible power supply for providing AC power to a load, the uninterruptible power supply comprising: an input to receive AC power from an AC power source; an output that provides AC power; an inverter to receive DC power and to provide AC power; a first connector electrically coupled to the inverter; an energy storage device that provides the DC power, the energy device including: a plurality of terminals; a plurality of lead wires, each lead wire having a first end connected to one of the terminals of the energy storage device; a second connector adapted to connect to the first connector, each lead wire having a second end connected to the second connector; an energy storage device cap attached to the energy storage device and covering the terminals and the first end of each of the lead wires, wherein the energy storage device cap has a housing that forms an opening through which the plurality of lead wires pass, wherein an underside of the energy storage device cap is constructed and arranged to provide paths to route the plurality of lead wires to the plurality of terminals, and wherein the energy storage device cap includes at least one strain relief portion that provides strain relief for each of the plurality of lead wires; and a transfer switch constructed and arranged to select one of the AC power source and the energy storage device as an output power source for the uninterruptible power supply.