21 Volt Light + Smart Charger Package Best light for most hunters just got better. We have added an Adcon Smart Charger to our 21 volt package.  The light has a 21-volt 4 amp-hour nickel metal hydride (nimh) battery. Weighs only 2.2 pounds. Heavy duty 6-position rotary on-off switch. Will burn approximately 9 hours continuously on the low side of the bulb, about 1.5 hours on the high side. The charger is 500 mAH and has an LED to indicate charging and auto shut-off. We have spotlight jacks built into this light if you like a spotlight. Package includes everything seen plus bulb and a spare bulb.  This light comes with a 3 year warranty and the price is $250.00.