L18L4P71 L18M4P72 Battery for Lenovo ThinkPad X1 Carbon 7th Gen L18C4P7 | eBay
Battery Q&A - Lenovo Support US
Bought a T480 yesterday, charged it for 5hours, used it for 1 hour after. This morning, couldn't turn it on without plugging it in. Started charging, then Battery2 suddenly went from 0to97%
Battery Q&A - Lenovo Support US
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