18650 2600mAh Rechargeable Lithium-ion Battery - Olight Store
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
Olight 18650 Li-ion Button Top Battery 2600mAh 3.7V