VP1 Battery Charger (Display built in- 3 Speeds) and Two 3400mAh Protected 18650 (Panasonic NCR18650B cell inside) Orbtronic Li-ion Rechargeable Batteries
More about batteries - Protection: Over-current (Activated @ 10A-12A), Over-charge (Activated @ 4.35V) - Over-discharge (Activated @ 2.5V) - Over-temp. and DUAL short circuit protection (External, and Internal).Protection circuit designed by Seiko. ICs made in Japan. --- Battery cell: NCR18650B, Capacity (Ah): 3.4 Ah (3400mAh), Charging Voltage (V): 4.2 V, Energy (Wh): 12.2 Wh, Energy Density (Wh/L): 730 Wh/L, Nominal Voltage (V): 3.6V - 3.7V, Weight (g): 46 g, Diameter (mm): 18.6 mm (+/- 0.03), Length (mm): 68.9 mm (+/- 0.03) --- Charger Xtar VP1 3 charging speeds 0.25A (250mA), 0.5A (500mA), 1A (1000mA). Soft start function avoids damage from a large current surge. Activation function for over discharged battery.VP1 can reset el. protection on protected li-ion battery.>>>IMPORTANT These are NOT AA batteries. >>>For buyers without previous experience: If you are not sure what are you buying, please contact your seller.