30-Day Money Back Guarantee
The new Sony NP-QM91D battery should be charged fully and discharged to lower 5-10% for 5-6 times for normally perform. Traditional 7-Day Money Back Guarantee cannot meet test needs enough. To this end, we extend the warranty from 7-day to 30 days.
1-Year Warranty
We offer 12 months warranty on the replacement Sony NP-QM91D Camera Battery! During this period, if your battery fails due to quality problems, we will replace your battery with a new one.
100% Security Payment
Your privacy and security of information are of the utmost importance here at Batteriesceo.com. We have taken all the necessary steps to ensure that your shopping experience with us is 100% safe and secure. Buy Sony NP-QM91D replacement battery with confidence!
What's the difference between a 3-cell, 6-cell, 9-cell Acer battery?
The difference between those batteries is the duration. The more the cell is, the longer duration the battery will last. Meanwhile, the size of the battery will be larger. If you consider the duration of the battery most, you can choose a battery with more cells, but the bottom will protrude and the weight of the laptop will increase under these circumstances.
What will greatly shorten the life of Sony NP-QM91D battery?
Many people find that their laptops can often be used for 5 years or even more than 10 years without failure, but laptop batteries can't. This is often caused by the following behaviors:
The battery is often completely depleted.
Idle the laptop for a long time and do not charge the battery regularly.
Use an unqualified power adapter.
The battery is placed in a humid environment or directly immersed in water.
High temperature is a battery killer to shorten the battery life, complete death, or even explode.
How to replace your Sony NP-QM91D Camera Battery?
Turn off your Sony NP-QM91D laptop and disconnect the AC adapter.
Release the latch or other attachment devices that hold your battery in place.
Slide the old battery out of its compartment or storage bay.
Take the replacement battery for Sony NP-QM91D laptop out of the box.
Slide it into the notch or bay.
Close the safety latch to lock it into place.
Reconnect the AC adapter and give the new battery for your Sony NP-QM91D notebook a full charge.
Is it normal for the Sony NP-QM91D battery replacement to get hot during charging?
Yes, almost all batteries will emit heat during charging and discharging. Please don't worry, all our Sony NP-QM91D battery is manufactured with high-quality anti-corrosion heat dissipation materials.
