Will etrailer Solar Charging System Work With Shore Power/Vehicle Charging
Updated 02/03/2026 | Published 07/30/2024
Question:
My question is about the compatibility of the solar panel charger with the rest of the current charging systems. My trailer like most trailers have a shore AC power charger and also a connection to the towing vehicles charge system. Do we need to add switches or route all the charging systems to a master charger controller or are all the systems: solar, shore, towing vehicle left to charge the batteries independently and/or at the same time ?
asked by: Peter
Expert Reply:
Hi Peter; you do not need a master controller to add the etrailer Solar Charging System # e39FV to your setup. The included controller will read the battery and send the correct voltage when you have shore power or power coming from your tow vehicle.
Product Page this Question was Asked From
etrailer Overlander Solar Charging System w/ Digital PWM Controller - 1 Panel - 100W - 12V
- RV Solar Panels
- Roof Mounted Solar Kit
- Rigid Panels
- 51 - 100 Watts
- 10.1 Amps or More
- AGM
- Gel
- Lead Acid
- Lithium
- Expandable
- PWM
- 1 Panel
- etrailer
more information >
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Robin H.
2/3/2026
Hey Peter, how did the solar charging system work with your trailer’s existing shore and vehicle charging setup? Your results could really help others trying to combine multiple power sources.