100-200 Watt Solar Panels

100 Watt Solar Panel or 200 Watt: Picking the Right Size and Format

A 100 watt solar panel is the standard building block for RV roofs, boats and small cabins, and a 200 watt solar panel does the same job with half the mounting hardware and cabling. This collection covers both sizes in every format you are likely to need: rigid framed modules for permanent mounting, slim and flexible panels for curved or narrow roofs, and folding portable panels that connect straight to a power station.

There are 17 panels here from Rich Solar, Sungold Power, Jackery, Anker and EcoFlow. Rigid 100W modules start at $110, the Rich Solar MEGA 150 sits at $169, and folding bifacial 200W panels from Jackery and Anker run $379 to $500.

How to choose between 100W and 200W panels

• Rigid or portable. For a roof, a framed panel like the RICH SOLAR MEGA 100W 12V Rigid Solar Panel (IP67, Grade A+ cells, from $110) bolts down once and stays. For a power station you carry to a campsite, a folding panel such as the Jackery SolarSaga 200W (bifacial, 25% cell efficiency, IP68) sets up in a minute and stores in the vehicle.
• Roof shape. Narrow roofs between vents take the MEGA 100W SLIM, a 50.0 x 15.7 inch N-Type TOPCon panel. Curved boat decks and van roofs suit the MEGA 100W FLEX, which weighs 4.8 lb and bends to follow the surface.
• Watts per panel. Two 100W panels equal one 200W panel in output but need twice the brackets and connectors. If you have the roof length, a 200W panel is the cheaper install; if you are filling gaps around obstructions, 100W modules fit where 200W will not.
• System voltage. Most panels here are 12V-class. The Sungold Power 100W 24V Monocrystalline Solar Panels Kit is the one to pick when your battery bank is 24V and you want the panel voltage to match.
• Built-in controller. The MEGA 100W Briefcase Portable Panel includes its own charge controller, so it can connect directly to a 12V battery with no extra parts.

Popular picks in this collection

Setup and usage tips

• Work out the panel count with the Solar Kit Calculator. Enter appliances and ZIP code and it returns the array size, which you then divide into 100W or 200W modules to suit the roof.
• Check the open-circuit voltage of a series string against your charge controller's input limit before wiring panels together. Two or three 12V-class panels in series are common; more can exceed a small controller.
• Bifacial folding panels pick up reflected light from the ground. Set them on light-colored gravel or a tarp rather than dark soil to get the extra output.
• Match the connector to your power station. Confirm the adapter for your station's input port before you order a folding panel from a different brand.

Frequently asked questions

What does a 100W panel actually produce in a day? Around 300 to 500Wh in most of the US in summer, less in winter and in shade. That keeps a 100Ah 12V battery topped up for lights, a fan and phone charging.

Do I need a 200 watt solar panel kit or just the panel? If you already have a charge controller and battery, buy the bare panel. If you are starting from nothing, a kit with controller and cabling saves matching parts; the Briefcase panel's built-in controller is the simplest route for a single battery.

What is the best 200 watt solar panel for a power station? A folding bifacial panel with an IP68 rating. The Jackery SolarSaga 200W and Anker SOLIX PS200 both fit that description; the Anker weighs 10.6 lb, which matters if you carry it far.

Every panel ships free to the mainland US from our brand partner warehouses, usually within a few business days, and returns are accepted for 30 days. If you are unsure which format fits your roof or station, call and we will help you choose.