20W 12V Solar Charging Kit with 5A Controller & Clips | 4Boats

Compact 20W 12 V solar charging kit with waterproof panel, 5 A charge controller (USB) and battery cable with crocodile clips — ideal for boats, campers, caravans, RVs and small 12 V systems. Also suitable for trickle-charge and battery maintainer applications.

• This 20W solar charging kit includes: high-efficiency 20W polycrystalline solar panel with 3 m (9.8 ft) cable, advanced 5 A solar charge controller and user manual with installation instructions.
• Solar panel — waterproof, peak power 20 W; maximum power voltage (Vmp) 17.5 V; maximum power current (Imp) 1.14 A; open-circuit voltage (Voc) 21.6 V; short-circuit current (Isc) 1.23 A; power allowance range ±3%. Dimensions: 485 x 345 x 25 mm (19.1 x 13.6 x 1.0 in). Weight: 2.0 kg (4.4 lb). 4 mounting holes and 3 m (9.8 ft) cable attached.
• 5 A solar charge controller — charge current: 5 A; load current: 5 A; rated voltage: 12 V. LEDs indicate battery state of charge, solar panel and load status. Self-consumption: ≤5 mA at 12 V. Working temperature: -35°C (-31°F) to +55°C (131°F).
• Controller USB interface: 5 V DC / 1.2 A for charging phones and USB devices. 3 pairs of terminals (solar panel, battery, load) for wire up to 2.5 mm². Controller size: 109.7 x 65.5 x 20.8 mm (4.3 x 2.6 x 0.8 in). Weight: 90 g (0.09 kg / 3.2 oz). 2 x 4.5 mm mounting holes.
• Additional items — 2 m (6.6 ft) battery cable with fused crocodile clips for quick connection and protection; user manual with wiring and installation guidance.
• Protection features — prevents reverse current at night and includes overcharge, over-discharge, overload, short-circuit and overheating protection to safeguard 12 V batteries.
• Compatibility — works with sealed (VRLA), gel and flooded lead-acid batteries; ideal for 12 V lights, fans, pumps, electric fences, leisure batteries in campers, caravans and boats.
• Robust construction — long-lasting polycrystalline cells, sealed aluminium frame and waterproof junction box (note: junction box protrudes ~0.5 cm; allow ~10–15 mm space beneath panel for cooling).

Care: follow the included manual for safe installation, correct battery type setting and fuse replacement. Regularly clean the panel surface for best performance.