This battery features a built-in 12v charge port for quick and easy charging.When combined with the Battery Charger for V3 / RH5R or the USB Charging Cable, this battery is great for long trips on the road, or a week long trail event where an AC outlet is not close. Always have a charging port accessible when you need it!Works with Rugged Radios V3, RH-5R, and Baofeng UV-5R. NOTE: this battery does not have contacts on the back for charger base compatibility. This battery is designed for use with P.N. USB-BAT-RH. For charger base capability, consider the XL battery as an alternative. Battery Specs Capacity: 1600 mAh Voltage: 7.4V Type: Lithium-Ion   Battery Charger not included!