The B4B NP1-1075 NP1 is a 14.8 Volt, NP-style Li-Ion (Lithium-Ion) battery. This NP style battery features a power gauge, a two pin power connector and protection circuitry. 14.8 Volts Professional camcorders and sound equipment that operate on a 12-volt system. Power Gauge 

A 4 stage LED power gauge lets you monitor batteries charge state power.

Capacity : 75W, 5.2Ah @ 14.8 Volts
Power limit : 50 W
Dimensions : 185 x 72 x 25 mm (7.28 x 2.83 x 0.98 in)
Weight approx. : 1lb 7oz.
Charging time :
- 270 minutes with  B4B NP-C2 charger
- 360 minutes with  B4B NP-C4 charger
- 196 minutes with  B4B NP-TC1 charger