Model Number
21700 4000mAh
Place of Origin
Guangdong, China
Product name
3.7V 21700 4000MAH li-ion battery
Battery Types
Lithium ion / Li ion Battery
Battery Characteristic
High Energy Density Battery
Battery Protection Circuit Modules
Over Charge, Over Discharge, Over Current, Short Circuit,etc.
Application
electric power tool,Bike led Lights,Household Consumer Electronics,etc