Hi,It's me again. So I was thinking of upgrading my old cheap controller from a brand Khetaan(Square wave)to a new one. I have 2 options. Which one is better.
1-48/60v 1000 watt 32A capacity low brake high brake reverse function 3 speed mode 95% efficiency High Quality.(WIRELESS SINEWAVE) has no one line meter connection
Or
2-60/72v 1000 watt 35A capacity self learning function low brake high brake reverse function 3 speed mode, speed lock. 95% efficiency High Quality (WIRED SQUARE WAVE). Has one line meter connection
1-48/60v 1000 watt 32A capacity low brake high brake reverse function 3 speed mode 95% efficiency High Quality.(WIRELESS SINEWAVE) has no one line meter connection
Or
2-60/72v 1000 watt 35A capacity self learning function low brake high brake reverse function 3 speed mode, speed lock. 95% efficiency High Quality (WIRED SQUARE WAVE). Has one line meter connection