20W 12V Solar Battery Trickle Charger, MPPT, IP67

20W 12V solar panel battery charger maintains and tops up your battery with efficient monocrystalline output, helping reduce dead-battery downtime for vehicles and equipment. An external intelligent MPPT controller manages charging automatically, while tempered glass and an IP67 waterproof build support reliable outdoor use. Designed for broad 12V battery compatibility, it’s a practical solar trickle charger maintainer for cars, boats, RVs, motorcycles, trailers, and more.

• Delivers 20W monocrystalline charging to keep 12V batteries topped up during storage or intermittent use


• Protects with intelligent external MPPT control and 6-stage protection to help prevent overcharge/over-discharge


• Fits outdoor installs with IP67 waterproof construction and 0°–60° adjustable mount bracket for better sun angle


• Includes 122 in extension cord plus 43.3 in alligator clips and 43.3 in O-ring terminals for quick connections


• Supports common 12V battery types: LiFePO4, Li-ion, AGM, Gel, SLA, EFB for wide vehicle compatibility

Use it as a solar battery charger maintainer for seasonal vehicles, backup systems, gate openers, water pumps, lawn equipment, and trailers—anywhere a steady trickle charge helps preserve battery readiness. The compact panel size and adjustable bracket make positioning simple, while the included cables reduce extra purchasing and setup time. If you want a clean, low-maintenance way to keep 12V batteries charged between uses, grab yours today and set it up once for ongoing support.

• Compatible battery voltage: 12V


• Maximum power: 20W


• Max power voltage: 20V


• Solar cell: Monocrystalline silicon


• Controller type: External MPPT controller


• Waterproof rating: IP67


• Surface material: High-transparency tempered glass


• Solar panel dimensions: 14.7 x 14.57 x 0.79 in (373 x 370 x 20 mm)


• Net weight: 3.46 lb (1.57 kg)


• Cable lengths: 122 in extension cord; 43.3 in alligator clips; 43.3 in O-ring terminals


• Mount bracket adjustment: 0°–60°