Panasonic CGR18650CG Rechargeable 3.6V Li-ion 18650 Battery 2250mAh, 3008
Rechargeable Lithium batteries are rapidly becoming a very economical way to lower the operating costs of Lithium-Powered flashlights. Feature3.6V 18650 size Cylindrical Li-Ion Cell No memory effect and longer storage life than NiMH Batteries Lighter weight and higher energy density than any other rechargeable battery Perfect for building batteries for laptop and other portable power devices