2 x 18650 6000 mAh 3.7V protected Ultrafire Li-ion Battery (Electronics)
Last batteries UltraFire had loud my computer charger 700 mAh. It is here to counterfeiting. Currently there are from a technical point of max. 3000 mAh of capacity in a cell as possible (from the market leader Panasonic). Rather buy a decent Panason
