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I want to know what is the number of my computer battery.

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Microsoft Windows 10 (64-bit)

I want to know what is the number of my computer battery.
because I bought a computer from facebook marketplace and there is no battery with it. and I now want to buy battery for my computer.

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 Service Guide:

HP Notebook PC (AMD) * Models: 15-ba100 - 15-ba199 * Models: 15-ba000 - 15-ba099 * Models: 15-bf100 ...


Page 38


Description                                                                           Spare part number

4-cell, 41-Whr, 2.8-Ah Li-ion battery                             807957-001

3-cell, 31-Whr, 2.8-Ah Li-ion battery                             807956-001


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HP Notebook - 15-ba011no (ENERGY STAR) 


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