4 Pack 2000mAh Rechargeable 18650 Battery & 2 US Dual Charger

Product Information Product name: Garberiel 3.7V 2000mAh 18650 Battery Type: 18650 Rechargeable Li-ion Battery Size: 18mm x 65mm (D x H) Color:  Yellow Voltage:  3.7V Capacity:  2000mah Chemical Composition:  Lithium Feature:  Button Top / Rechargeable Rechargeable Time:  Up to 1800 times Compatible with appliances such as headlights, flashlights, video doorbells, garden lights, mini fans, toys and other electronic equipment. Product Name: US Plug Dual Charger Input:  AC 100V - 240V, 50 / 60Hz Output:  DC 4.2V Shell Color:  Black Dimensions:  110mmx35mmx35mm Weight:  2oz / 56g Smart charger can charge for 18650/14500/16340/18490/17600 batteries, two at a time.  Full Advanced Safety Features Over Current Protection, Over Voltage Protection, Short Circuit Protection.   Features and Benefits With integrated PCB Protection!Lithium Ion 18650 cylindrical rechargeable batteriesInternal PCB protection prevents under-voltage at 2.5V and over-voltage at 4.25V.Unique PCB design and patent pending.Higher energy density and lower weight than other types rechargeable batteries Wide Applications 3.7v button top rechargeable batteries are widely used in headlights, flashlights, video doorbells, garden lights, mini fans, toys and other electronic equipment *DO NOT dispose in fire or heat*DO NOT puncture, damage, and disassemble*DO NOT mix fresh batteries with used batteriesNOTE: Please fully charged the battery if long time no used or usage in the first time.