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
2s1p 7.4V 2200mAh 2600mAh Icr18650 Li-ion Battery Pack with PCM and Wire - China Battery, Lithium Battery | Made-in-China.com