SUNER POWER 12V Solar Battery Charger Maintainer, Waterproof 20W Solar Trickle Charger, High Efficiency Solar Panel Kit, Built-in Intelligent MPPT Controller + Adjustable Bracket + SAE Cable Kits - B07XP73323

• 👍【 Intelligent Charge & Maintain 】- Built-in intelligent MPPT charge controller, generates at least 20%-30% more power than traditional controller. Smart 3-stages charging algorithm is improved to better charge and maintain 12v battery for dump trailer deep cycle boat rv gate opener, etc. in all seasons. 👍【 Full Protection of Your Battery 】- Prevent the battery from over-charge, over-voltage, discharge, and short circuit, reversed polarity protection, waterproof and spark-proof, the battery is fully protected. 👍【 Adjustable Mount Bracket 】- Exclusively engineered with alloy ball to adjust the angle of solar panel, absorb as much as sunshine and generate more power. The mount bracket is easy to DIY, could be applied to mount on ground or vertical wall. 👍【Upgraded Visual Monitor】- The colorful LED indicator helps to visually monitor working status of the charging and better understand your battery’s conditions.Charging will be cut off automatically when battery is fully charge, and resumed when battery goes flat, totally free maintenance. 👍【 Free Maintenance 】- Durable aluminum frame and tempered glass, well built for years. Come with 3 piece SAE cable kits, plug and play, easy to use. No electricity cost, free maintenance for outdoor use. Backed by extended 12 months warranty and lifetime technical supports.