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Holdwell S 100W 12V Monocrystalline Solar Panel Kit w/ 20A PWM Charge Controller, Z Brackets & MC4 Cables, 25% High-Efficiency, IP65 Weather Resistant, for RV, Boat, Cabin & Off-Grid Battery Systems

Price last checked 2026-08-30. Prices change often — confirm on Amazon before buying.

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About this item

• 25% High-Efficiency: 100W Monocrystalline Solar Panel built with premium monocrystalline solar cells for 25% conversion efficiency. Delivering 400Wh of daily power under 4 hours of full sunlight, providing stable power support for RVs, yachts, cabins, trailers, and other off-grid scenarios.
• 20A PWM Charge Controller: Equipped with a backlit LCD display and colorful LED indicators for real-time charging status monitoring. Built-in temperature compensation, reverse current protection, anti-reverse circuit, short-circuit, open-circuit, and overload protection maximize charging efficiency and extend battery life. Supports lithium, lead-acid, and gel batteries for versatile off-grid systems.
• IP65 Waterproof & Wide Temperature Range Operation: Features an IP65 waterproof and dustproof rating with a scratch-resistant polymer surface and corrosion-resistant aluminum frame, built to withstand harsh outdoor conditions (rain, snow, dust). Operates reliably in extreme temperatures from -20°C to 65°C, maintaining consistent performance in hot or cold environments for year-round use.
• Multiple Application for Off-Grid Scenarios: Ideal for a wide range of off-grid applications, including RV rooftops, cabin rooftops, yachts, boats, garden sheds, and backup power systems. Perfect for reliable solar power wherever you need it, from outdoor adventures to remote off-grid living.
• Complete Kit for Easy Plug-and-Play Installation: All-in-one kit includes everything needed for quick setup: 1 x 100W monocrystalline solar panel, 1 x 20A PWM charge controller, 4 x Z mounting brackets, 2 x MC4 cables, 2 x red/black alligator clips, 4 x hex bolts (with nuts), 8 x self-drilling screws, and 1 x user manual. Pre-drilled holes and plug-and-play wiring enable fast, secure mounting on RVs, boats, cabins, and other off-grid systems.

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