3+ y/o acer aspire e5-575g-53vg battery won't charge

Mikerest

Started out randomly shut down while on battery. Then turned into not run at all on battery. Battery monitor stays at 84% and says charging  while on AC.
Have already tried uninstall battery in device manager. Have tried battery reset with paper clip. Tried using extra tape on battery cutout switch. Also disconnected battery. Went to bios and reset with no success. Checked battery with multimeter and found to have about .4 V.

aphanic

Yep, pretty much, while it may not be really dead I'm sure at least one of the cells inside is done for.

If you have the 4 cell battery (its shape is elongated, no protuberances in the middle aside for the battery connector) you could try disassembling it and checking the individual cells, they're wired in series given its output voltage. If there are good cells in there you could re-purpose them for a power bank for example (look for empty cases in the typical big marketplaces online).

Buying a replacement could be a hit or miss, maybe it works fine and it's awesome (it won't probably last what the original did though), or maybe it gives you all sorts of problems; there's another user around the forum right now having trouble with an aftermarket battery.

Another option you have would be to either by replacement cells for the ones that are bad and de-solder the old ones to solder the new ones, for which chances are you don't have the proper soldering station but it could be done with a regular soldering wire as well and some nickel strips; or buy 4 new cells and replace them all (ensuring you buy from a reputable source).

It's way more expensive both last options, they're fun and time consuming, but expensive. Ideally, if there were still original batteries for your laptop (you'd have to contact Acer in your area) I'd probably suggest getting one of those and be done with it.

And if you have the bigger battery I'd guess it has 2 rows of 3 cells each, electrically speaking, so there may be a bad cell in each row at least.

In any case, best of luck!

Commodore_1995#

Do you already check the battery status with hwinfo64?

Mikerest

Downloaded and ran hwinfo64. Upon running it shows 12.059 V and 84%. Took battery from another acer and everything worked fine. Put old battery into the other and did not work there either. DEAD battery.

aphanic

Yep, pretty much, while it may not be really dead I'm sure at least one of the cells inside is done for.

If you have the 4 cell battery (its shape is elongated, no protuberances in the middle aside for the battery connector) you could try disassembling it and checking the individual cells, they're wired in series given its output voltage. If there are good cells in there you could re-purpose them for a power bank for example (look for empty cases in the typical big marketplaces online).

Buying a replacement could be a hit or miss, maybe it works fine and it's awesome (it won't probably last what the original did though), or maybe it gives you all sorts of problems; there's another user around the forum right now having trouble with an aftermarket battery.

Another option you have would be to either by replacement cells for the ones that are bad and de-solder the old ones to solder the new ones, for which chances are you don't have the proper soldering station but it could be done with a regular soldering wire as well and some nickel strips; or buy 4 new cells and replace them all (ensuring you buy from a reputable source).

It's way more expensive both last options, they're fun and time consuming, but expensive. Ideally, if there were still original batteries for your laptop (you'd have to contact Acer in your area) I'd probably suggest getting one of those and be done with it.

And if you have the bigger battery I'd guess it has 2 rows of 3 cells each, electrically speaking, so there may be a bad cell in each row at least.

In any case, best of luck!