AW 21700 4000mAh Battery

Brand new 4000mAh single battery from AW.

Specification:

• Size: 21700
• Nominal voltage: 3.70V
• Typical Capacity: 4000mAh

Tips:

• Never leave chargers plugged in overnight.
• Keep batteries in a safe place when not in use.
• Never leave batteries unattended when on charge.
• Never keep Batteries in your pocket or purse. Always use the protective casings that are provided, or battery cases that are designed to protect batteries.