50W 12V Solar Battery Trickle Charger, MPPT, IP65

12V solar battery trickle charger maintainer keeps your battery topped up with steady 50W charging to reduce downtime on vehicles and equipment. Monocrystalline cells paired with a high-transparency tempered glass surface help improve conversion efficiency, while an external MPPT controller manages safe, automatic charging. Designed for long-term outdoor installs on roofs, decks, walls, or ground mounts, it supports common 12V battery types used in cars, RVs, boats, trailers, and off-grid setups.

• Delivers 50W/12V maintenance charging to help prevent battery drain during storage


• Protects with external MPPT controller and 6-stage protection to reduce overcharge/over-discharge


• Fits multiple 12V batteries: LiFePO4, Li-ion, AGM, Gel, SLA, EFB for broad compatibility


• Installs with 0°–60° adjustable bracket, pre-drilled holes, and M6 screws for secure mounting


• Includes 122 in extension cord and 43.3 in alligator clips for flexible connections

Built for harsh outdoor use, this charging kit features an IP65 waterproof design and operates from −40°F to 185°F for reliable performance in rain, snow, wind, and sun. Use it as a solar maintainer for seasonal vehicles, backup power batteries, gate openers, electric fences, tool sheds, pumps, and more—anywhere a 12V battery needs ongoing support. Set your angle, connect your battery, and let the controller handle automatic maintenance charging. Grab yours today to keep power ready when you need it.

• Compatible battery voltage: 12V


• Maximum power: 50W


• Solar cell type: Monocrystalline silicon


• Controller type: External MPPT controller


• Waterproof rating: IP65


• Operating temperature: −40°F to 185°F


• Panel dimensions: 24 x 17.28 x 17.91 in (610 x 439 x 455 mm)


• Surface material: High-transparency tempered glass


• Color: White


• Net weight: 8.16 lb (3.7 kg)