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Bissell ION Rechargeable Vacuums Lithium Ion battery pack schematic

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Three wires lead to a female connector, probably for cell balancing, voltage sensing, etc. They are blue, yellow and white (the black wire in this schematic.)

The batteries are 18650 Li-Ion, LG MG1: 2850 mAh, 10A 3.62v

The inline fuse on the (+) positive lead is F16AH250VP

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