12V 30W Solar Battery Charger, Smart Controller, IP67 Waterproof

30W 12V solar panel battery charger keeps 12V batteries topped up with efficient monocrystalline cells and a built-in smart controller for safer, steadier maintenance charging. Designed for quick setup and broad battery compatibility, it helps reduce dead-battery downtime on vehicles and equipment stored outdoors. ETFE high-transparency surface and IP67 waterproof rating support reliable use in changing weather for RVs, cars, motorcycles, boats, vans, and campers.

• Delivers 30W output with monocrystalline silicon cells to improve conversion efficiency and recharge faster in available sunlight.


• Protects with 6-stage smart control: overvoltage, overcurrent, short circuit, over-discharge, overcharge, overheating.


• Fits multiple 12V battery types including LiFePO4, Li-ion, AGM, Gel, SLA, and EFB for wide vehicle compatibility.


• Includes 3 connection options: alligator clips, O-ring terminals, and cigarette lighter plug for plug-and-play setup.


• Handles outdoor use with IP67 waterproof design and ETFE film; operate stationary—do not use while vehicle is moving.

From seasonal storage to everyday backup, this portable solar battery maintainer helps keep your 12V battery ready without constant wall charging. Use it on an RV, camper, car, motorcycle, boat, SUV, van, or snowmobile to maintain charge during parking or long idle periods. The included cables and extension cord make it easy to reach the battery and connect the way your setup requires. Grab yours today and keep a dependable maintenance charge wherever the sun is available.

• Compatible battery voltage: 12V


• Maximum power: 30W


• Max power voltage: 15V


• Solar cell: Monocrystalline silicon


• Surface material: High-transparency ETFE film


• Waterproof rating: IP67


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


• Panel dimensions: 18.11 x 15.55 x 0.98 in (460 x 395 x 25 mm)


• Net weight: 1.41 lb (0.64 kg)


• Cable lengths: 43.3 in (1.1 m) clips / 43.3 in (1.1 m) O-ring / 43.3 in (1.1 m) lighter plug


• Extension cord length: 122 in (3.1 m)


• Color: Black