The IndiPRO Tools D-Tap Pro Battery Charger (16.8V, 2.5A) is designed to charge batteries with Powertap/D-Tap connectors, such as V-mount, AB mount, or IndiPro PD style batteries. This charger is lightweight and compact in size making it ideal for use at home or the road. Just connect this charger to your battery and charge. It charges batteries via Powertap/D-Tap connectors.