If you have a 600 or 800 series Roomba, press those same buttons but wait until you hear the vacuum beep. Reseat the battery It's possible that the Roomba won't charge because the battery isn't ...
DIY batteries not an exception! In case of overcharge/overdischarge BMS disconnects battery from charger/load. That is exactly what happens when Roomba charges battery with constant 1.3A current and ...