15W 12V Solar Battery Charger Maintainer PRO, Built-in Smart MPPT Charge Controller, Waterproof 12 Volt Solar Panel Trickle Charging Kits for Car Auto Boat RV Marine Trailer Camper

Smart MPPT Technology: This solar panel battery charger comes with built-in protection system. The innovative MPPT technology allows to deliver high tracking efficiency of up to 99% and peak conversion efficiency of 98%, improve 20%-30% utilization rate
Upgrade 3-stages Charging: The smart 3-Stages charging algorithm (Bulk, Absorption, Float) ensures charging safer and maintains 12 volt battery at a stable level for extending battery life and avoiding overcharge, no additional maintenance
Full Charging Protection: Solar battery charger equipped with multiple protection includes over-charge/discharge, over-voltage, over-current, over-load, short circuit, reverse polarity, over-temperature, IP65 waterproof and spark-proof, fully protected
Compatible with Multiple Batteries: Widely used as a solar trickle charger and advanced solar battery charger maintainer for multiple 12 V batteries including gel, Deep Cycle, SLA, Flooded, AGM, Seal-Lead Acid and LiFePO4 lithium battery
Robust and Durable Material: Made of A+ mono solar cells with efficiency up to 21%-30%. Strong tempered glass+corrosion-resistant ABS frame, withstand extreme weather conditions like UV, hail, sandstorm, up to 2400 Pa wind pressure and 5400 Pa snow load
Easy to Use: This solar trickle battery charger starts to charge immediately when battery is registered, all three cables connections are plug and play. You can clearly know the charging status of the battery and solar panel through the indicator light
Wide Range of Applications: An automatic and smart solar battery charger, a variety of scenarios for car, boat, RV, dump trailer, marine, camper, lawnmower, motorcycle, jet ski, tractors, trucks, ATV, trolling motor, etc