The myCharge Razor Plus Rechargeable 3000 mAh battery delivers 1.0A output via USB port. Shake to check battery level with the four-light LED battery indicator. Peak Power Technology draws maximum power from power source. The Razor Plus is pre-charged and ready to use with a high density battery that provides more power in a smaller footprint inside of an anodized aluminum case. Smartsense Technology identifies and charges any device. Recharge cable included.