42V 4A XLR 4-pin prong Charger for 36V Stromer ST 1 ebike – TD Hitech System
Connector Type 4-Pin (XLR). ❓ LED Indicator & Troubleshooting. Solid Green: Not charging. Is your battery “dead”?. If your battery has been flat for several months, it may have entered sleep mode. Solid Red: Charging in progress (normal).