Digital HyTRON 50 Nickel Metal Hydride Battery 14.4V 50 WH
5-1/4" x 3 1/2" x 2-1/8", 1.9 lbs/.86 kg. (13.3 x 8.89 x 5.39cm, .88 kg)
HyTRON 50 has a 1 Year Warranty

HyTRON batteries should not be used with MP-4 and MP-8 chargers.

Typical Runtimes:
2hrs. @25watts
3hrs. @17watts
4hrs. @12watts