Vivitar 1600mAh InfoLithium 7.2V H Series NP-FM500H Camera battery for Select Alpha SLRs

The NP-FM500 can be charged or discharged at anytime without developing memory effect. This means they never lose their ability to hold a full charge. They also display remaining battery time on the LCD as well as in the viewfinder by continuously communicating with the camcorder.

InfoLithium battery packs have a built-in microprocessor that accurately calculates remaining battery life in minutes. Chemistry Lithium-Ion (Info) Output Voltage 8.4V Capacity 6.1Wh, 900mAh Dimensions (WxHxD) 1.3 x 0.8 x 1.8″ (3.3 x 2 x 4.5cm) Weight 1.89 oz (50g)