Features: 100% Brand new and high quality! Discharge rate no''memory effect'' Low reoccurring operation cist Short -circuit and over-current protection Safe and environmental friendly Keep in a dry and cool place. Specifications: Battery Model: 16340 Battery Type: Li-ion Voltage: 3.7V Capacity: 2500mAh Dimension: Diameter: 15mm; Height: 33mm Color: Yellow Red Charger: Plug Type: US Input Voltage: AC 100-240V 50/60Hz Output: DC 4.2V/650mA Dimension: 85mm x 45mm x 36mm Color: Black Package includes: 4 x Batteries 1 x Battery Charger