A panel is not a solar system. Panels equaling at least one solar watt per battery amp, a controller from a known manufacturer and rated to at least the number amps put out at max by the panels, and adequately large wiring with your batteries is a solar system.
Winnebago 2101DS TT & 2022 Chevy Silverado 1500 LTZ Z71, WindyNation 300 watt solar-Lossigy 200 AH Lithium battery. Prefer boondocking, USFS, COE, BLM, NPS, TVA, state camps. Bicyclist. 14 yr. Army -11B40 then 11A - (MOS 1542 & 1560) IOBC & IOAC grad