Voltset 12V Solar Battery Charger - 20W Waterproof Solar Power Trickle Charger Battery Maintainer Tender with Smart Charge Controller - Solar Panel Kit for Car RV Boat Marine Trailer Automotive

Full-Potting IP67 Controller​​: From Voltset ​​IP67 Full-Potting Technology​​ eliminates moisture intrusion, ensuring stable current flow even in -30°C to 80°C extremes, algorithms maximize daylight conversion (up to 99.3% efficiency) while cutting vampire drain to ​​<0.1mA​​ after sunset. Smart 3-stage Visual Charge: 3-stage charging technology (direct/float/trickle charge) for 12V LiFePO₄, lithium, AGM, SLA, GEL, etc, charging efficiency increased by 18%, controller LED screen displays charging status in real time, three indicators: blue (sunlight exposure), red (charging), green (battery fully charged). Versatile Applications: Solar panel kit includes alligator clips and O-rings, convenient for plug and play. Collapsible design reduces storage volume by 20%. Suitable for cars, RVs, boats, motorcycles, trailers, camping, garden lighting, surveillance systems, outdoor activities and other scenarios to meet your diverse needs. Sun Tracking Flexibility: Our 12V monocrystalline solar panel+ 360° adjustable aluminum bracket allows for precise angle optimization to maximize sunlight absorption throughout the year, The bracket can be rotated ±15° to follow the sun, increasing the average daily sunlight absorption by 12%. Quality Assurance: VOLTSET offers 24/7 professional customer service and a 12-month warranty. The package includes 1 solar panel; 1 charging controller; 1 mounting bracket; 1 set of alligator clips; and 1 set of O-rings with installation screws