SONY INFO LITHIUM BATTERY NPQM91D
Small and lightweight, Sony's Lithium-ion batteries 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. Quick Charge Rechargeable Lithium-Ion Battery Pack reduces charge time by approx. 70% compared to other Sony batteries. NP-QM91D: 7.2v, 29.8WH (4140mAh). Built-in Microprocessor accurately calculates remaining battery life in minutes. LithiumIon Composition eliminates memory effect.
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