How to Build A iRobot Roomba 16,8v 4S 2P 6000mAh battery 500 600 700 series
- I am using Box Replacement Parts Roomba
- Sanyo 3000mAh ( 8 cell Li-ion 18650 (4S-2P) )
- 4S 16,8v PCB Charging Protective Circuit Board for iRobot Roomba 5/6/7/8 Series

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