Last items in stock PWM Charge controllers BlueSolar DUO PWM Charge Controller 20A 12/24V Automatic Victron Energy Victron Energy SCC010020060 €66.42 The BlueSolar PWM DUO 12V|24V|20A LCD-USB series uses Pulse Width Modulation (PWM) charge voltage control combined with a multistage charge control algorithm. This leads to superior charging and enhanced battery performance. The filtered PWM power control system uses highly efficient and reliable power MOSFET transistors. Add to basket