The DEWALT DCB132 FlexVolt XR Dual Port Multi-Voltage Charger simultaneously charges 2 XR Li-Ion DEWALT 10.8, 14.4 or 18/54 Volt slide pack batteries. A bright LED indicator communicates battery charge status: charged, charging, power problem, and battery too hot or too cold conditions. This model is also wall mountable and had an output current of 4.0A simultaneus currents for quick clean and conveniant charging.