Sun Energise 20W 12V Solar Powered Battery Charger & Maintainer, Built-in Smart MPPT Charge Controller, Waterproof 20 Watt 12 Volt Solar Panel Trickle Charging Kits for Car Auto Boat RV Marine Trailer

Price: $85.99
(as of Jan 29, 2026 19:10:53 UTC – Details)

From the brand

About Us

Sun Energise was founded by a group of rich industry technicians who believe in bringing more clean energy, professional, stable and reliable solar products to the world.

We are the professional designer and crafter of solar panel products with more than 10 years’ experience. Sun Energise will keep making long affordable, clean and simple to use. Enjoying the cozy life that clean energy brings.

Solar Battery Charger

Solar Panel Kit

Smart MPPT Technology: This 12v solar 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
Easy To Monitor: The LED indicator allows to monitor the working status. The charging will be cut off when battery fully charged and resumed automatically when battery drained, easily judge if the solar battery charger is charging well
Full Charging Protection: This 12 volt 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 Install and Use: The outdoor solar battery maintainer comes with pre-designed holes on solar panel frame which allows for quick installation. Note: all cables are plug and play, just simply connect it to required device
Wide Range of Applications: An automatic and smart solar battery tender, a variety of scenarios for car, boat, RV, dump trailer, marine, camper, lawnmower, motorcycle, jet ski, tractors, trucks, ATV, trolling motor, etc