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Hello everyone. I just got a new battery for my T480 from my work supplier. It is a Greencell LGC 11 Model: 01AV424 and I get a BIOS message before my bootloader:

The battery installed is not supported by this system and will not charge. Please replace the battery with the correct Lenovo battery for this system. Press the ESC key to continue.

Once I plugged it in and booted up the battery had 74% charge, and I let it discharge until 6% without the AC adaptor plugged in as per the instructions, so that I could then fully charge it (and repeat the process 3-5 times). However, once it reached 6% and I plugged it in it wasn't charging and ended up dropping to 1% where it remains even now. Below I'll include outputs from some commands.

Everything I read online mentions flashing the EC chip to whitelist the battery, or changing the BIOS to somethin