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Watson NP-QM91 Lithium-Ion Battery Pack (7.4V, 4200mAh)

BH #WANPQM91 • MFR #B-4230
Watson
Watson NP-QM91 Lithium-Ion Battery Pack (7.4V, 4200mAh)
Key Features
  • Replacement for Sony NP-FM90, NP-FM91, NP-QM90, and NP-QM91 Batteries
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.
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$49.99
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question

What is the difference between the 4200mAh and 5400mAh battery, everything else being the same?
Asked by: Frank R.
The difference as you can see is 1200 mAh. This means the 5400 mAh battery will last longer powering a device than the 4200 mAh battery. Depending on the device this could be another 1/2 hour to 2 hours longer.
Answered by: Dennis A L.
Date published: 2018-08-28

question

What is the difference between 4200 mAh and 5400 mAh, everything else being the same?
Asked by: Frank R.
Sorry, I have no idea....my only concern was that it fit my camera.
Answered by: MARY W.
Date published: 2018-08-28
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