NEW 2pcs UltraFire 18650 3000mAh 3.7V Rechargeable Li-ion Batteries with Re/Discharging Protection+ Wall Charger New Protected Ultrafire 18650 3.7v 3000mAh Rechargeable Battery Capacity:3000mAh, Weight:50g/pc Material: Li-ion Battery Rechargeable times: Up to 1800 times battery Size: 68.5mm x 18.5mm; Charger size:105mmx62mmx44mm For the very high capacity batteries, the charging time will needs 15-18hrs use the included charger.