07-01-2018 12:33 PM
Hello Everyone! :-)
This is my first time posting at this forum. I have a Lenovo T520 laptop that is experiencing intermittent problem shutting down when I am trying out brand new 9-cell and 6-cell batteries that are fully charged. Based on the seller instruction; they said to go into the bios to see if there is a battery resync option and/or charge the battery with the laptop powered off for a minimum of 10hrs before using the new battery. I followed their instructions but the laptop continued to suddenly powered off while I am using it with a fully charged battery.
Has anyone experiences similar issues and know of any troubleshooting method or fixes? Of course I first naturally expects the battery to be bad, but I bought 2x 9-cell batteries, the seller then send me an additional 2 x 6-cell batteries because I am having problems with the 9-cell. The 6-cell also resulted with the same symptom so I find it hard to believe that all 4 batteries are bad.
Here is the info on the batteries I purchased: https://www.ebay.com/itm/9Cell-Battery-for-Lenovo-ThinkPad-T410-T420-T510-T520-SL410-SL510-E420-E425...
Thank you in advance for anyone that can help me to resolve this problem.
07-01-2018 12:48 PM
Hello and welcome,
I can't say with certainty what is going on - but those aren't OEM (Lenovo) batteries. They are unbranded generics from who-knows-where.
I'm always suspicious of non-OEM batteries and their internal control electronics.
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07-01-2018 01:24 PM
07-01-2018 02:52 PM
try discharging the battery fully then charge it fully and see how that holds out
07-01-2018 10:58 PM
07-02-2018 11:50 AM - edited 07-02-2018 11:51 AM
if the batery shut the machine down, there is definitely a problem and I would go to ebay and seek a refund
but I recall you have a some extra batteries on hand that also are problematic, suggests the batch are no good