Description 

• Capacity: 4200MAH 
• Voltage: 3.7V 
• Amperage: 40A
• Cell Type: 20700

Warning 

• Do not disammeble, dispose batteries in fire, heat or short circuit 
• Do not insert batteries with the (+) and (-) reversed 
• Do not mix new batteries with used batteries 
• Do not submerge the battery in water 
• Do not put the battery in your pocket to avoid short circuit