Digital Energy 9.6v RC Battery Charger with 2 Battery Packs Delivers 9.6 volts with a capacity of 2000mAh along with a charger Red light indicates proper connection between charger and battery. This NiMh battery takes 6-8hrs to completely charge. The indicator light stays red and indicates that the battery is correctly plugged in. PLEASE NOTE: There is no timer on this model, the red light indicates the battery is charging. *CAUTION* - Not to be used with Lionel Train Sets