This solar panel battery charger kit can be used in tandem with another panel provided you use a charge controller(not included). Click the link below to view an appropriate charge controller.
answered 2 years, 1 month ago
You can connect them in parallel. Most of them have a blocking diode, but even if they don't, they will work with minor loss of efficiency, if any. That is, 2 15 watt panels in parallel might deliver 29.8 watts instead of 30.
Parallel connection presents no hazards or danger.
answered 1 year, 7 months ago
- Sugar Land, TX
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