The charger for 4.8V battery pack of Nickel metal hydride battery combines all of the features neccessary to assure long battery life with repaid charging capability. The 4.8V nimh battery charger provides accurate charging to enable optimal battery performance. Charging current is terminated before 100% capacity by negative delta V. Benefiting from the design of a compact, light weight, high performance 4.8V battery charger for flashlight, a cost effective system can be built with flexibility. The 4.8V nimh battery pack charger is covered by a 3 year warranty.