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 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 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 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 tender, a variety of scenarios for car, boat, RV, dump trailer, marine, camper, lawnmower, motorcycle, jet ski, tractors, trucks, ATV, trolling motor, etc

Sun Energise 15 Watt 12 Volt  SOLAR BATTERY CHARGER 

The solar powered battery charger is the perfect solution for charging the batteries of RV, car, boat, marine, camper, lawnmower, motorcycle, jet ski, water pump, shed, gate opener, snowmobiles, automobiles, tractors etc. When the battery is in the state of losing power and power shortage, maintaining the battery effect, extending its usage life.

15 Watt 12 Volt Waterproof Solar Trickle Battery Charger & Maintainer

• High efficiency poly crystalline solar cells, works great in all days.
• LED work statue indicator, battery power indicator, error warning indicator, all statues are clear.
• IP 65 waterproof design to prevent components from oxidizing into water, no worry to place it outside in all seasons.
• Over charge protection, over discharge protection, reverse polarity protection and short circuit protection
• Durable ABS frame and tempered solar glass, well built for years usage.