25W 12V Solar Powered Battery Charger & Maintainer, Built-in Smart MPPT Charge Controller, Waterproof 25 Watt 12 Volt Solar Panel Trickle Charging Kits For Car Auto Boat RV Marine Trailer

1 Magnetic Mounting 2 Wall Mounting 3 Suction Cup Mounting The high-power design ensures your battery is always ready, no matter winter, harsh weather, or aging batteries. 【MPPT】Built-in Maximum Power Point Tracking and Smart Charge Controller. Real-time wattage is 30% higher than other type 13W panels. BALDR solar panel can also convert lower intensity light, it works two more hours a day, one hour earlier in the morning and one hour longer in the dusk. 【DUAL SIDED EFFICIENCY】Due to the dual-sided tempered glass, our upgraded solar panel generates electricity from both sides. 【STABLE AND DURABLE】High quality solar panels last for 6+ years. It can be used outdoors year-round anywhere in the United States, whether it's a humid oceanside or inside a car in the summer heat. You can also hang the product on the wall via three nails. 【US BASED TELEPHONE SUPPORT】We are proud of our products and provide 3-year warranty plus 1-year full refund service. The BALDR after-sales center in New Jersey will solve your problems immediately.