VS-BN
When the battery is nearly full, in order to prevent the battery from overcharging, the PWM controller will adjust the switching frequency of MOS to adjust the charging current. This frequency is within the range of human ears, so we can hear this "noise".
13 July 2021
When the battery is nearly full, in order to prevent the battery from overcharging, the PWM controller will adjust the switching frequency of MOS to adjust […]
13 July 2021
Yes, all parameters can be set via the LCD and buttons on the charge controller
13 July 2021
The display of VS-BN is dot-matrix LCD which can show the data more vividly.