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Replacement 78 Wh Li-ion Battery is designed for use with Lenovo ThinkPad notebooks. 9-Cell Battery with 7800 mAh capacity features fire-resistant plastic casing and high/low temperature shut-off protection.
Keep your computer operating while far from any AC electrical source with the Ereplacement 40Y6797-ER Li-ion Thinkpad notebook battery. The battery provides the power you need to keep your Thinkpad operational on the go, and it's compatible across a wide range of Lenovo Thinkpad models. The advanced battery technology protects your battery from a number of damaging situations, including overcharging, thermal runaway, overdischarges, and extremely high or low operating temperatures.