Compact, efficient 20W 12V solar panel charging kit – a complete, plug-and-play solution for maintaining and trickle-charging 12V batteries in boats, cars, RVs, motorcycles, ATVs, tractors, golf carts, marine applications or off-grid setups. The high-efficiency monocrystalline panel, smart MPPT controller and adjustable mount bracket work together to keep batteries topped up, prevent deep discharge and extend battery life even during long periods of inactivity.
Key Features:
- 20W monocrystalline solar panel – high-conversion efficiency (typically 21–23%) – generates up to 1.2–1.5A in full sun, enough to maintain 12V lead-acid (AGM, Gel, Flooded), lithium or deep-cycle batteries; prevents sulfation and over-discharge.
- Waterproof IP65/IP67 rating – panel, controller and cables are fully sealed against rain, splashes, dust and humidity – reliable for marine, outdoor or exposed installations on boats, RVs or vehicles.
- Smart MPPT charge controller (10A) – maximizes power harvest from the panel (up to 30% more than PWM) – auto-detects 12V systems, supports multiple battery types (AGM, Gel, Flooded, Lithium), and includes overcharge, over-discharge, short-circuit, reverse polarity and reverse current protection.
- Trickle charge & maintenance mode – automatically switches to float/maintenance mode once battery is full – keeps battery at optimal charge without overcharging, ideal for seasonal vehicles, boats or RVs in storage.
- Adjustable aluminum mount bracket – corrosion-resistant bracket with adjustable tilt angle (0–90°) – optimizes panel orientation toward the sun for maximum output; easy to mount on flat surfaces, railings, decks or vehicle roofs.
- Complete kit – includes solar panel, MPPT controller, 10–20 ft solar cable with SAE/quick-connect plugs, adjustable bracket, mounting hardware and user manual – ready to install with basic tools.
- Plug-and-play SAE connectors – standard SAE quick-connects for fast, secure hookup to battery or existing charge ports – no cutting or splicing required.
- Low-light performance – MPPT technology extracts power even in cloudy or partial shade conditions – more consistent charging than PWM in variable weather.
Ideal For:
- Maintaining boat, RV, motorcycle or car batteries during storage/off-season
- Off-grid or solar trickle charging for 12V deep-cycle batteries
- Preventing dead batteries in infrequently used vehicles (classic cars, seasonal boats)
- Small solar setups for camping, overlanding or emergency backup
- Eco-friendly, zero-emission battery maintenance without grid power
This SOLPERK 20W solar kit combines efficient MPPT charging, waterproof durability and easy mounting – a reliable, low-maintenance way to keep 12V batteries healthy and ready anytime, perfect for marine, automotive, RV or outdoor applications. Simple setup, long-term performance and no recurring costs.
