This is a rechargeable AA battery that has a USB attachment to allow you to recharge your battery right from your computer.  That's right - plug the battery into your USB port and it will automatically recharge!

Features:

• 1450mAh capacity
• Automatically charges with any universal USB port
• Cover cap fits snug to allow the battery to fit any AA application

Weight: 53g

Size: 13.7cmx9.2cmx2cm

Note: These USB AA batteries do not come with retail packaging.