The Dell 8N0T7 lithium-ion battery is a replacement power source for compatible Dell laptops, including the XPS 15 9575 and Precision 5530 2-in-1. Dell documentation pairs part number 8N0T7 with battery model TMFYT, which helps identify the correct component when checking laptop parts.
It is rated at 11.4 V, with a charge capacity of 6254 mAh and stored energy of 75 Wh. These electrical specifications help distinguish it from batteries with different ratings when selecting a replacement.
As a laptop battery, it stores energy to power the computer when it is away from an external power source. Its listed compatibility is limited to the two Dell models named above.
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