Amazon.com: Rechargeable Lithium Ion Battery Pack - VIDAR 7.4V 2600mAh High Capacity Li-ion Battery Pack with JST PH2.54/2P Plug-in(Customizable) for Electronics,Toys,Lighting,Equipment : Health & Household
Power Bank 2,600mAh Portable Charger - (#1 Recommeded)
Rechargeable Li-Ion 2600 mAh battery
GP ReCyko battery 2600mAh AA (4 battery pack) | GP Batteries International