BotoX / xiaomi-m365-compatible-bms

Xiaomi M365 compatible, open source firmware for ATMega328p+BQ769x0 BMS. Ninebot in proto_test branch
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Added 2s, got 44.6kmh with default motor constant but no torque uphills #38

Open cptX opened 4 years ago

cptX commented 4 years ago

Hi, I've added an extra 2s battery to my standard m365, I got 44.6kmh (slight downhill) with default (factory) motor constant but the scooter has a very slow startup and there is no torque uphills. I had connected a power meter in series to take measurements and with default motor constant (500W) I got 750W peak with the extra 2s. Usually I drive my scooter with motor constant 36800 which goes around 700W with the standard battery. With the standard battery and 700W the scooter accelerates normally and uphill has very good torque. But when adding the extra 2s and setting 500W it accelerates very slowly and uphills it doesn't give more than 250W and the scooter is unable to climb. Has anyone seen such a behavior before? PS: The reason I set default motor constant with the extra 2s is because I don't want the scooter to get more than 750W on the motor...