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Product FAQs
The 200W system with 20A PWM controller is sized for 12V battery banks typically ranging 100–400Ah. Actual charging time depends on battery capacity and irradiance.
No. This kit includes two 100W solar panels, a 20A PWM charge controller, wiring, and mounting hardware. You must supply a compatible 12V battery bank separately.
Yes. Additional 12V polycrystalline panels can be wired in parallel to the existing 20A PWM controller, up to the controller's 20A input limit. For larger expansions, upgrade to a higher-rated controller.
The 200W output is best for supplemental charging in moderate to strong sunlight. Winter or heavily cloudy regions may require battery pre-charging or a secondary power source.



