Bought a refurbished Thinkpad t480. Seller stated there was no internal battery but after opening it up I found it installed but unplugged from the motherboard. Is it safe to plug in? :
Refurbished For Lenovo Thinkpad T480 Laptop Motherboard With SR3L8 I7-8650U CPU MX150 2GB 01YR342 ET480 NM-B501 DDR4 Fast Ship _ - AliExpress Mobile
Lenovo Thinkpad T480 Laptop Intel i5-8350U 1.7GHZ 8GB 256GB SSD Windows 10 Pro Refurbished T480.8.256.Pro - Best Buy