The ARB-L14-1600U can be used as AA batteries and can be charged by its own USB port. A protective circuit is built into the anode and covered with a riveted steel hat. The battery is fully covered with the steel shell, thus the potential risk of short circuiting caused by collision or impact is hugely eliminated. 

• Alternative for AA battery
• Micro-USB charging port
• Multiple protection
• Short circuit protection
• 500 charge cycles

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This battery can quickly be charged without the need for a separate charger. This not only save you money from purchasing a charger, but also convenience of not having to carry around another device.

This will work in all of the models that utilize the standard AA battery. This battery is a great rechargeable alternative to alkaline AA battery.