Lenovo Compatible Battery Internal 4 Cell 52Wh

Lenovo Compatible Battery Internal 4 Cell 52Wh is an aftermarket internal replacement identified by reference 00HW028. It is intended to restore power to a compatible ThinkPad when its installed battery is depleted or no longer charges; it is not manufactured by Lenovo.

Its 4-cell lithium-polymer configuration is rated at 52 Wh and 15.2 V. These are the stated electrical specifications for this replacement battery.

Compatibility covers the Lenovo ThinkPad X1 Carbon 4th Gen, ThinkPad X1 Yoga 1st Gen from 2016, and ThinkPad X1 Yoga 2nd Generation. Associated compatible part references are 01AV444, 00HW029, 01AV439 and 01AV438.

Designed for internal replacement in these laptop families, it can be used to repair a compatible ThinkPad or continue using it when the original battery has lost its ability to charge or provide normal portable power.