Patent ID: 8390255

Claim:
A kit comprising: at least one rechargeable battery; a case configured to protect a mobile device, the case comprising: a rear panel; at least one side protector extending transverse to said rear panel; a rechargeable battery charger; and an aperture sized to removably contain said at least one rechargeable battery; wherein the case is configured to receive the mobile device such that said at least one rechargeable battery is exposed when the at least one rechargeable battery is positioned within the aperture and the mobile device is not positioned within said case, and said case is configured such that a back of the mobile device covers the aperture and the at least one rechargeable battery within the aperture securing the at least one rechargeable battery in place between the back panel and the mobile device when the at least one rechargeable battery is positioned within the case and the mobile device is positioned within the case; said case further comprising: a first electrical connector for engaging said mobile device; and a second electrical connector for engaging said at least one battery when said battery is positioned within said aperture; wherein when said mobile device is engaged with the first electrical connector and said at least one rechargeable battery is engaged with said second electrical connector, the at least one rechargeable battery can charge the mobile device; and a second rechargeable battery charger comprising a surface for receiving at least one rechargeable battery.