I’ve just recieved my new charger sent for free by Geekbuying. And… My two batteries are now fully charged !!!! YES ! So this is the answer i was looking for : In good working use, you have to first plug the charger to the battery, and then plug the charger to the power supply. (1) Then the led lights to green. (2) After a few seconds, the charger detects that the battery is not fully charged, and the light turns red (permanent, not blinking). (3) When the battery is fully charged, the led turns green permanent. My broken charger make a little sound, like an electrical relay which close or can’t close at the moment it should turn to red (step 2). But the charger is not demountable, so i can’t do anything… A new charger is not so expensive and you could find one on Ali express https://fr.aliexpress.com/item/S2-6-5AH-e-twow-S2-e-twow-electric-scooter-specification/2048119027.html?src=google...-037-6276&isdl=y&slnk=&plac=&mtctp=&albbt=Goo...-sCf2OICFXAA0wod9fkJAA&gclsrc=aw.ds The 220v wire has a type of plug...
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