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I wonder is there any difference between lead acid chargers and li lon chargers ? is it the same if i use my current original charger for the li lon battery for the lead acid batteries or i need to buy special lead acid battery charger? or they are the same?

I am not exactly sure what burned the original battery... maybe its that i connected it to the 36V second battery? Controller is still working. Today i will buy 2 new 12v Batteries. d8veh, as i see from the PCB temperature pins are not soldered... or thats something different? Is it possible...

While i had the 3x12v batteries=total 36v, one time i think that i made mistake with positive and negative cable, also the original battery 24v was connected. Now its not working, i checked and most of the cells are 0.2, 0.5v Maybe they are completely damaged? Charging doesn't help

Today i tried with one more 7ah battery on top of the 2*12v 15ah Bike went up to 30-35km/h but battery finished just after a few minutes. And motor turned off after a few km. maybe the controller overheated... Is it possible the problem to be because i unplugged the small cables which goes to...

somebody please answer? or how i can understand?

Today i tried to disconnect one of the plugs which goes to the motor(the tree small cables) I didnt noticed much difference, i went up to 25-26km/h i think that before that i was a few km below that. What these cables do? Also what the ENACTMENT pins? what they do if i connect them?

yes this capacitor is 50v. i eill try now with 36v

The second photo is the connector for the display. 2 of the plugs are for the brake levers, one for display, one for sensor, one plug + single wires for motor. And we have 2 double plugs who are not connected + the white cable. I see a jumper which is not connected in the pcb, what it do? I...

is it possible somebody to help me yo choose the right controller for this bike?

so i will not see difference if i just put battery without other modifications?

can i just put another 12v bsttery so total i will have 36v? is that going to blow the controller or the motor? can i put other controller to boost the bike(including battery of course) ?

so?

is there something which i can do to boost the speed? what the sensor around the pedals chain/gearring with the red light do? maybe i can manipulate it or the motor in some way if i open it! in last case can u suggest me 36v kit(i think that its cheaper than 42v and easier for me to power it...

what that means? can i do something and what are my cheapest options to have faster bicycle?

Sorry. I didnt attached the photo. Its 6 pins in the cable going to the motor.

Thanks for your answer!!! My motor is 6 wires. I see 3 big pins, and 3 smaller pins. See attached photo. Can you suggest me a controller? As currently i am getting 10-15 miles range from my 24v8AH battery and 15-20miles from my 24v15ah(2x12v 15ah lead acid) battery. Do you think that i can...

Hello! I have this bike: https://chadwickandtaylor.com/products/mens-electric/ The maximum speed is around 20-25km/h Its with 24V 8ah battery. I put second 24v 15ah battery(2 scooter batteries of 12v 15ah each) I am using the bike for delivery. Daily i make 50-100km. The problem is that i...