Smart PWM Trickle Charger System: This 12V solar battery charger features advanced PWM technology to prevent overcharging and battery drain. Automatically stops charging at full capacity (100% indicator light) and reactivates when voltage drops - perfect as a battery tender charger for car/RV/marine batteries All-Weather IP67 Waterproof Design: Both solar panel and controller are IP67 waterproof, surviving heavy rain/snow/hail. The corrosion-resistant aluminum frame and tempered glass ensure 25-year durability even in coastal marine environments Multi-Device Battery Savior: Keeps mighty mule gate opener, electric fences, lawn mower batteries, and RV solar panel kits charged. Includes 3 connectors: 12V cigarette lighter plug, alligator clips, and O-rings Real-Time Charging Visualization: The solar charger controller shows precise battery levels (25%/50%/75%/100%) with dual-status lights. Blue = sunlight detected, Red = trickle charging in progress 360° Adjustable Solar Panel Kit: This 30W solar panel kit's bracket rotates 360° for optimal sun angles. Pre-drilled holes fit roofs/boats/trailers. Protective corners prevent fall damage Extended 25-Year Lifespan: Military-grade aluminum frame and solar-powered tempered glass outperform standard small solar panels in UV/impact resistance Effortless Plug-and-Play Setup: Install this portable solar battery maintainer in 5 minutes with included screw kit. No wiring expertise needed for 12 volt systems Wide Voltage Compatibility: Works with all 12V solar batteries (LiFePO₄/AGM/GEL/SLA) for cars/trucks/ATVs. Ideal for solar electric fence chargers Complete Solar Trickle Charger Kit: Includes a 12V solar panel; 1 charge controller; 1 cigarette lighter; 1 alligator clips; 1 O-rings; 1 mounting bracket; 1 screw kit; 1 User Manual and 4 protective corners - everything for trickle charger for motorcycle battery 24/7 Lifetime Support: Backed by lifetime technical support for your rv solar panels kit for 12 volt system. 24-hour response guarantee This 30W 12V solar panel kit is the perfect portable power solution for keeping your car, RV, boat, marine, trailer, motorcycle, or automotive battery charged and maintained. Designed with a high-efficiency monocrystalline solar panel, this waterproof solar charger delivers reliable trickle charging to prevent battery drain, making it ideal for gate openers, electric fences, lawn mowers, and mighty mule systems. The included PWM controller ensures safe charging by preventing overcharge, over-discharge, and short circuits, while the adjustable mounting bracket allows for optimal sun exposure. With pre-drilled holes and plug-and-play installation, this small but powerful 30-watt solar kit is easy to set up on roofs, campers, trucks, or off-grid setups. The aluminum frame and tempered glass ensure durability in all weather conditions, and the IP67 waterproof rating guarantees long-term outdoor use. Whether you need a battery maintainer for seasonal storage or a solar-powered charging system for your vehicle, this 12-volt solar panel kit provides a dependable power supply with zero maintenance. Includes 1x 30W solar panel, 1x PWM controller, 1x mounting bracket, 1x SAE cable, alligator clips, O-rings, and protective corners.