Amazon.com : Blue Sky Energy kit SB-RVK-S for RV/Motorhome. 40A/30A MPPT Charge Controller Solar Boost SB3024iL 12V/24V Lead Acid or Lithium Battery w/ Remote Display IPN ProRemote-S with 500A/50mV Current Shunt :
Shunt-mode Solar Charge Controller - CircuitLab
Sensors | Free Full-Text | Improvements in Performance Analysis of Photovoltaic Systems: Array Power Monitoring in Pulse Width Modulation Charge Controllers