Ninebot S2 BMS broken - Mods, Repairs, & DIY - Electric Unicycle Forum (euc community)
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Repair & Tips: BMS Ninebot Scooter - YouTube
Is my BMS dead? Ninebot ES2 battery will not charge , scooter won't turn on. Blue light at battery BMS. What should be the correct output voltage on the XT30 terminal? :