The DeWalt DCB105 XR Li-Ion battery intelligent charger varies the charge rate according to battery type to increase battery pack life.

Charges XR Li-Ion DEWALT 10.8V, 14.4V, 18V Slide Pack batteries and can charge a 1.5Ah battery pack in 30 minutes using the DeWalt 2 stage charging system. It features diagnostics with bright LED indicator which communicates the battery charge status: charged, charging, power problem, and battery too hot or too cold.
 
Specifications
 
Voltage: 10.8:14.4V:18V V
Battery chemistry: Li-Ion
Charging current: 4.0 A
Charging Time: 30(1.5Ah)min

Width: 120 mm
Height: 90 mm
Length: 180 mm
Weight: 0.49 kg