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ThinkPad T470 Battery Replacement Leads to Horribly Slow Performance

I own a Lenovo ThinkPad T470 and ordered a replacement battery (Item code: IF245-023-1) found here.

Once I installed my battery into my laptop, letting it fully charge, the computer speed has slowed down immensely. I am pretty sure I’ve purchased the correct battery spec.

What can possibly be wrong/what can I do to fix this issue?

Could the battery itself be faulty?

crwdns2886500:0Replace a 1950 mAh battery compatible with the Lenovo ThinkPad P51s, P52S, T470, T480, T570, T580, or TP25 model laptops. 23 Watt Hours (Wh). 13.05 Volts (V).crwdne2886500:0

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Lenovo ThinkPad P51s, P52S, T470, T480, T570, T580, and TP25 Battery - 01AV423

$67.99

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