i hope this post will help somebody someday...
the ancient battery still costs almost 400 euros today.
i didn't want to invest that.
simply opened up the dead battery pack, removed the dead battery.
ordered a cheap china battery along with a charger and installed it next to the plus/minus of...
the battery had some dead cells and voltage drop, opened up the battery, located the dead cells and put new ones in. the BMS somehow detected this. the battery worked briefly in the bike and then came this LED-2+4 error.
in the german forums people talk this is easily solved with the official...
A PowerTube 750 wouldn't charge anymore. Neither in the bike nor directly at the charger. No signs of life. No LED lights, nothing at all. The bike also wouldn't start. No LEDs, nothing. Completely dead. The dealer declared the battery completely dead and insurance paid for a new one. They just...
EW-SW-100 torn apart. i replaced the battery with another similar one from an RC-car...
battery voltage 3.7v
charging voltage 4.2v
no need to buy this peace of scrap for 80 bucks. just cut it open and put a 5 buck rc-battery.
have fun!
thanks man, your post helped me a lot!! i registered just to say THANK YOU!!
my unit burned out, so i simply bought a 42v power supply with 4 ampere and connected the original giant loading cable to it.
simply the Plus and Minus, the other 3 data cable are useless.
works like a charm...
no...