Makita 18v 5Ah battery ran down to 6.2v on Ridgid vacuum : r/Makita
1x Circuit New Board For Makita 18V Battery Indicator Charging Protection | eBay
BMS charge level button/LEDs unreponsive after replacing cells. Before it was flashing red with original cells at 3.7V. Is there a way to reset it? (Album with 4 pics, details in comment) :