Search results

Date Relevance Most replies

  1. B

    Overview: best rectifiers for charging (voltage mod) - Eltek/Delta/Huawei/Emerson/Vertiv

    Hello, this video was posted by me. There are two options, one is 0-60V, 0-50A; the other is 0-120V, 0-25A. Last month I announced the Zhongheng APR48-3G solution 42-60V, 0-38A
  2. B

    42-60V 0-38A ZHONHEN APR48-3G charger PSU modification voltage and current adjustment

    You must first understand which model of the switching power supply IC is. If it is TL494, then you are lucky, because it is very easy to change the voltage of TL494. I posted the 24V MEAN WELL modification tutorial on YouTube. I successfully modified it to 0-30V. If you only reduce part of the...
  3. B

    How to modify a set voltage on a battery charger

    You must first understand which model of the switching power supply IC is. If it is TL494, then you are lucky, because it is very easy to change the voltage of TL494. I posted the 24V MEAN WELL modification tutorial on YouTube. I successfully modified it to 0-30V. If you only reduce part of the...
  4. B

    42-60V 0-38A ZHONHEN APR48-3G charger PSU modification voltage and current adjustment

    Hello, the main structure of Eaton APR48 and Zhongheng APR48 are the same, but there are big differences in details. I think Zhongheng APR48 is an optimized version of Eaton APR48. It is difficult to modify the Eaton APR48, so I chose Zhongheng APR48, the modification is very simple. When...
  5. B

    42-60V 0-38A ZHONHEN APR48-3G charger PSU modification voltage and current adjustment

    Zhongheng APR48-3G is very cheap in China's flea market, only 60 RMB ($9) each. A few years ago, I bought 5 units ($55) for 80RMB ($11), and the modification was very successful.
  6. B

    42-60V 0-38A ZHONHEN APR48-3G charger PSU modification voltage and current adjustment

    Hello everyone, I am an electronics enthusiast in China. I also like to play electric bicycles and yearn for a free life. However, it is illegal to modify electric bicycles in China. We cannot even discuss this topic. China's electric bicycle modification forum has been forced to close, so I can...
  7. B

    Eaton APR48-3G 1.8kW Light Compact Charger PSU

    57.7V 41.1A（2371W）Worked for 30 minutes
  8. B

    Eaton APR48-3G 1.8kW Light Compact Charger PSU

    current can be adjusted by hardware, 0 ~ 38A
  9. B

    charger 3kw

    APR48 3G， DC41V~80V，0~38A
  10. B

    charger 3kw

    Buy a second-hand product, Delta 4856AC, can be modified 0 ~ 120V / O ~ 25A
  11. B

    Bafang BPM 48V500W Clutch Problem

    Hello. I'm in China. I didn't find it for you in the second-hand market.
  12. B

    cheap adjustable power supply

    Next time I will post a tutorial on YouTube.
  13. B

    cheap adjustable power supply

    APR48 3G 58.4V36.6A 2000W
  14. B

    cheap adjustable power supply

    APR48 3G
  15. B

    cheap adjustable power supply

    Hello everyone, I live in China and I like electronics I can modify the cheap adjustable power supply Rectifier DELTA ESR4856AC，DC:0~120V（60V50A &120V/25A） MAX 2750w I bought Second-hand goods are only $ 20. ETN APR48 3G 41V~80V 0~37A（MAX 2000W） I bought Second-hand goods are only $15.
Back
Top