Lithium-ion battery | NRC18650GA 3300mAh Original Panasonic high efficiency: Dimensions - 18650 (18mmx65mm) Maximum capacity - 3450mAh Nominal voltage - 3.6 V – 3.7 V Maximum charging voltage - 4.2 V Continuous discharge current - up to 10 A Temperature (operating) - -20 °C ~ +60 °C Weight - about 48 g Advantages High power Low internal resistance Reliable quality Panasonic/Sanyo Efficient energy saving Price of 1 piece - 1300 dram The box includes 180 pieces of batteries, buying a box will get an additional DISCOUNT For more details