Always double-check your sense wire order with a multimeter before plugging the connector into the BMS. One misaligned wire can fry the BM5291 chip instantly! S-8252 Series BATTERY PROTECTION IC - ABLIC Inc.
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Confirm these details on your board to ensure you are searching for the correct diagram: Model Number : VER: 1.3 (or VER:1.3) : AMD integrated graphics Memory Type Safety Notice Always perform repairs on a grounded work mat Always double-check your sense wire order with a
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: Detailed guide for servicing the S215 model containing this specific motherboard. Lenovo Support Site