Olight Battery 3200mAh 3.6V 11.5Wh Protected 18650 Rechargeable Li-ion Batteries 2 in Pack with Skyben Battery Case- Battery Designed for Olight M22 M21X M20S M18 SR51 Nitecore TK75 PD35 PD32 BT20 I4 100% Brand New, Sealed and never been use Olight 3200mAh 18650 Li-ion Rechargeable Batteries Original Olight products 3.6V 11.5Wh Built by Panasonic NCR18650B, cell origins from Japan