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  1. J

    Upgrade the Jonway MSG-D 1000W Electric Scooter Battery

    Just to share :) I have already reached 10,000 km on the road with the battery. I use the scooter almost daily from March to November. I have no other problems, except that I replaced 3-4 cells (due to leaks) within two years. I had to design the battery pack as easier to disassemble in order to...
  2. J

    Upgrade the Jonway MSG-D 1000W Electric Scooter Battery

    Hi, my motor is 1000 watts. The original controller that I continue to use with the new battery is Jonway Sinwave 60 volts, 35 amps. The controller works great with the new battery. I charge the battery to 78 volts, but after charging is complete and the charger is disconnected, the voltage...
  3. J

    Upgrade the Jonway MSG-D 1000W Electric Scooter Battery

    Thanks for the help. I have completed the battery replacement and am very happy with the result. Finally the cells are 22 x 3.2 = 70,4 V nominal The speed on flat area has increased from 55 to 65 km / h, new range is 60 + km. The speed of 65 km / h is enough for me. I can now drive on the city...
  4. J

    Upgrade the Jonway MSG-D 1000W Electric Scooter Battery

    The controller arrived - KLS7230S 24V-72V 300A SINUSOIDAL. I would like to ask your for comment on the regen function. I'm building a 24 cell battery pack Lifepo4 mainly for increasing max speed, but KELLY advised me the following: "22 or 23 cells will be better for the controller.It can leave...
  5. J

    Adjust voltage of IC GOGOGO 71.4V/5A charger

    Here I started to specify the electrical circuit. The output voltage should be regulated by this chip UTC3845D. Unfortunately, It is totally unknown for me. ... DC-to-DC fixed-frequency current-mode control schemes, with a minimum number of external components.… :confused: :confused: :confused:
  6. J

    Adjust voltage of IC GOGOGO 71.4V/5A charger

    I do not have a lot of time this week, but I'm going to continue with the topic. The circuit diagram is very simple. There are not other chips except these. The circuit diagram is very similar to a conventional swiching power supply or dc/dc converter. Operational amplifiers turn off the device...
  7. J

    Adjust voltage of IC GOGOGO 71.4V/5A charger

    Just suggestion :idea: I use power supply from an old PC to charge a hobby LIPO battery packs . They can be found today even practically free of charge … A few years ago we were replacing the computers in the company and gathered a few more 250 - 300 W of these blocks … Just requires a super...
  8. J

    Upgrade the Jonway MSG-D 1000W Electric Scooter Battery

    I've disassembled the scooter, and Yes, there is a cable that looks like a 4-wire cable for hall sensors. I've ordered Kelly Sinewave Controller KLS.
  9. J

    Adjust voltage of IC GOGOGO 71.4V/5A charger

    Thanks, I will try. I have some basic knowledge of electronics. If the conversion is possible, it will be an extremely cheap option for charging 48-100 volts For example, I now need 24 Lifepo4 x 3.55V = 85.2 V The price of a 5A charger is $ 26. The price of a 8A charger is $ 45.
  10. J

    Adjust voltage of IC GOGOGO 71.4V/5A charger

    Sorry, my mistake :oops:
  11. J

    Adjust voltage of IC GOGOGO 71.4V/5A charger

    Hello friends, I have a battery charger for 71.4 volts/5 Amps from IC GOGOGO. Can I change the voltage to 85.2 В, for example? This is the charger. The chip on the left side of the cap 470mF/100V is UTC358D. Thanks in advance :|
  12. J

    chinese e scooter missing battery pack

    Hi, I have a similar scooter, and I would like to say that this speed is far from safe. Keep in mind that if car or people pop out suddenly in front of you, you can't stop without falling. I had an incident last summer and from that moment I'm always with a jacket with protectors, special gloves...
  13. J

    Upgrade the Jonway MSG-D 1000W Electric Scooter Battery

    I have no idea too. Only power cables come out of the motor. When I have time I will remove the motor and I will check if there are sensors inside or not and can they be mounted easily. All my hobby LIPO batteries have a double sided tape between the cells, but the tape itself is 1 mm with foam...
  14. J

    Upgrade the Jonway MSG-D 1000W Electric Scooter Battery

    I have one more question. I decided to make a 72 volt system (24 cells Lifepo4), but my motor has not hall sensors. Can I use these controllers for example - they have a sensor input. KUNRAY BLDC 42V - 72V 3000W Brushless Motor Speed Controller 80A 24Mosfet 120Degree Phase With Sensor Hall For...
  15. J

    Upgrade the Jonway MSG-D 1000W Electric Scooter Battery

    some progress. I'm thinking of installing foam between the cells. Do I need it?
  16. J

    Upgrade the Jonway MSG-D 1000W Electric Scooter Battery

    Thanks for the reply! Initially, my research has shown that LiFePo4 batteries are the better choice. Then, reading this forum, I get the impression that 18650 Li ion type is more popular. I'll probably order something like that - soft bag single sell x 20 ps. There Is plenty of room after I...
  17. J

    Upgrade the Jonway MSG-D 1000W Electric Scooter Battery

    Hello, everyone. Thanks for the interesting forum. I read it regularly :) . I've decided to upgrade the battery of the Jonway MSG-D 1000 W electric scooter. I need your opinion, and any ideas are welcome. The batteries are SLA 5 x 12 volts = 60 V. I’m thinking to replace them with one of the...
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