Maxfire NEW 4pcs/lot Blue 3.7V 2000mAh 14500 AA Li-ion Rechargeable Battery with battery 14500 charger 14500 3.7V Rechargeable Li-ion Battery Capacity:2000 mAh Size :5.0 cmLength x 1.4 cm Diameter Charger Input Voltage: 100V~240V 50/60Hz Max150mAh Output: DC 4.2V 650mA