About the 90Wh 6 Cell 11.25V (77++) Battery – Lenovo Thinkpad P52 (20M9, 20MA) (4X50R44368)
The 6-cell ThinkPad battery 77++ is a replacement/spare battery for ThinkPad P52. This battery is powered by Lithium-Ion technology and has a safeguard chip which authenticates with Lenovo systems. The battery lasts on average 90 watt hours and utilizes over-discharge protection to ensure a secure flow of power.








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