Watson NP-QM91 Lithium-Ion Battery Pack

The Watson NP-QM91 Lithium-Ion Battery Pack works with the same cameras as the Sony NP-FM90, NP-FM91, NP-QM90, and NP-QM91 batteries. This replacement battery pack features a capacity of 4200mAh, 7.4V of output power and 31.08 watt-hours. Small and lightweight, lithium-ion batteries can be charged or discharged at any time without developing memory effect.