replacement for Sony QM91 QM91D7.4 V 4200 mAh Li-Ion battery
battery'Battery come with "Fuel g
Voltage: 7.4 V
Capacity: 4200 mAh
Small and lightweight, Sony's Lithium-ion battery 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 micro processor that accurately calculates remaining battery life in minutes.
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