Sunman eArc 9V 85W Flexible Solar Panel - Junction Box Underneath - Free VGK
Free Vented Gap Kit Included! 85W eArc solar panels are 9V. There are two options to charge a 12V battery: Two panels can be wired in series to create 18V, then wired to a normal PWM or MPPT solar controller such as a Victron 75/15 MPPT SmartSolar or Victron PWM USB & LCD 20A A voltage boosting solar controller can...