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How to do when your acer ap21a5t laptop battery won't charge
1, Please check the hardware at first:
a, Clean the acer ap21a5t battery contacts. Try charging the laptop battery with the power off. Some laptops draw a lot of power -- so much so that they can't efficiently charge the battery and run demanding tasks at the same time. If the battery doesn't seem to be getting fully charged, shut down the laptop entirely and see how it goes.
b, Try a deep charge. If the acer ap21a5t battery is in a bad state, you might be able to bring it back to life with a deep charge cycle. First, make sure it's complete discharged by running the laptop with the battery installed (and the AC adapter removed) until the laptop completely dies. Then charge the laptop overnight.
c, If your original old battery still charges and discharges but your new replacement acer ap21a5t battery will not, the new battery may have run to 0% or it may be a defective unit. This may be an indication that you need to replace your AC Adapter. It is more difficult to charge a new battery than it is to charge an older "broken in" battery. If your AC adapter is not outputting the correct amount of power you can run your computer, and charge an old battery, but you may be unable to charge a brand new battery.
If neither battery will recharge, you are most likely experiencing a failure in the laptop charge system (AC adapter, charge port, or motherboard charge circuit).
2, Configuring and upgrading software:
a, Make sure you're on the latest BIOS revision for your laptop. Windows system, you could also try a repair install and rule out a corrupt installation.
b, Have a look at your power settings, open up your control panel, and head into the Power Options.
There are several settings in here, take a quick glance around to make sure that nothing looks out of place. The particular one to look out for is the setting that causes your laptop to shut down if your battery percentage drops to a certain low threshold.
c, Update your drivers, open up the device manager, and under Batteries you'll find a number of entries.
There should usually be three, one for the battery itself, one for the charger and a third called 'Microsoft ACPI Compliant Control Method Battery'. Right click on all of these entries head into properties, then into the driver tab and find the 'Update Driver' button (This may also be found by just right clicking the entry and hitting 'Update driver software'). Once you've done this, restart your laptop and try plugging the charger in again.
If you try all of these troubleshooting steps and your battery is still not working properly, it's time to get a new battery.
Cheap ap21a5t 15.4V,4 cell laptop batteries
1. original battery for acer ap21a5t, 15.4 voltage, 5850 mAh, 4 cells, Li-ion laptop batteries
 Click to view more pictures |
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Product ID: 1008182
Battery Type: Li-ion Property: original battery [?] Voltage: 15.4 V Battery capacity: 5850 mAh (4 cell) Color: black Warranty: 12 months | |
Acer ap21a5t laptop batteries can replace the following part number:
ACER
AP21A5T
ap21a5t laptop battery is compatible with the following models :
ACER
Nitro 16 AN16-41-R0WZ
Nitro 16 AN16-41-R0ZY
Nitro 16 AN16-41-R124
Nitro 16 AN16-41-R1RY
Nitro 16 AN16-41-R1WE
Nitro 16 AN16-41-R2JZ
Nitro 16 AN16-51-56VT
Nitro 16 AN16-51-74BV
Nitro 16 AN16-51-76BS
Nitro 17 AN17-51-588Z
Nitro 17 AN17-51-59VT
Nitro 17 AN17-51-70AA
Nitro 17 AN17-51-71QK
Nitro 17 AN17-51-779L
Nitro 17 AN17-51-77GA
Nitro 17 AN17-51-77S8
Nitro 17 AN17-51-77UQ
Nitro 17 AN17-51-78VA
NITRO 5 AN517-55-527X
NITRO 5 AN517-55-52JC
NITRO 5 AN517-55-52XL
NITRO 5 AN517-55-7027
NITRO 5 AN517-55-70HX
Nitro 5 AN517-55-70QP
Nitro 5 AN517-55-713K
Nitro 5 AN517-55-715X
NITRO 5 AN517-55-720T
NITRO 5 AN517-55-74MY
NITRO 5 AN517-55-74PJ
Nitro 5 AN517-55-7501
NITRO 5 AN517-55-7502
NITRO 5 AN517-55-75BR
NITRO 5 AN517-55-75FR
NITRO 5 AN517-55-777P
Nitro 5 AN517-55-77MX
Nitro 5 AN517-55-77P1
NITRO 5 AN517-55-78KC
Nitro 5 AN517-55-78KU
Nitro 5 AN517-55-78NJ
Predator Helios 16 PH16-71-7127
Predator Helios 16 PH16-71-71AV
Predator Helios 16 PH16-71-72BS
Predator Helios 16 PH16-71-72FE
Predator Helios 16 PH16-71-72YG
Predator Helios 16 PH16-71-731Q
Predator Helios 16 PH16-71-739E
Predator Helios 16 PH16-71-74LS
Predator Helios 16 PH16-71-74UU
Predator Helios 16 PH16-71-74VM
Predator Helios 16 PH16-71-74WQ
Predator Helios 16 PH16-71-76FS
Predator Helios 16 PH16-71-77WQ
Predator Helios 16 PH16-71-7877
Predator Helios 16 PH16-71-90ZQ
Predator Helios 16 PH16-71-9145
Predator Helios 16 PH16-71-91FL
Predator Helios 16 PH16-71-91NC
Predator Helios 16 PH16-71-92YG
Predator Helios 16 PH16-71-93FR
Predator Helios 16 PH16-71-948L
Predator Helios 16 PH16-71-94FB
Predator Helios 16 PH16-71-94RP
Predator Helios 16 PH16-71-94S6
Predator Helios 16 PH16-71-953L
Predator Helios 16 PH16-71-95J6
Predator Helios 16 PH16-71-95L8
Predator Helios 16 PH16-71-9705
Predator Helios 16 PH16-71-97G1
Predator Helios 16 PH16-71-97H2
Predator Helios 16 PH16-71-97V2
Predator Helios 16 PH16-71-97YG
Predator Helios 16 PH16-71-98JQ
Predator Helios Neo 16 PHN16-71-702Z
Acer ap21a5t laptop battery and other products you purchased from us are guaranteed!
We warrant that the products sold in our website, other than explicitly stated, are 100% brand new and free from defects in material and workmanship.
- 100% Q.C. of EVERY product. Guaranteed to Meet or Exceed Original Specifications
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Shopping with us is safe and secure. None of our customers have ever reported fraudulent use of their credit cards as a result of shopping with us.When you purchase acer ap21a5t laptop batteries from us, You can be assured that the information you give us is confidential. We do not sell, rent or share information of our customers with other parties.
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How long will my acer ap21a5t batteries last?
The lifespan of a ap21a5t laptop batteries will vary considerably with how it is used, how it is maintained and charged, temperature, and other factors.Does acer ap21a5t batteries self-discharge when not in use?
All batteries, include ap21a5t laptop batteries, regardless of their chemistry, self-discharge. The rate of self-discharge depends both on the type of laptop battery and the storage temperature the batteries are exposed to. However, for a good estimate, wet flooded deep cycle laptop batteries self-discharge approximately 4% per week at 80°F.Disclaimer:
The ap21a5t laptop batteries and other products supplied by our Company are [replacement for] sold for use with certain product manufacturers, and any reference to products or trademarks of such companies is purely for the purpose of identifying the manufacturers with which our products [are replacement for] may be used. Our Company and this Web site are neither affiliated with, authorized by, licensed by, distributors for, nor related in any way to these manufacturers, nor are the products offered for sale through our web site manufactured by or sold with the authorization of the manufacturers with which our products [are replacement for] may be used.
