12V 20W Solar Battery Trickle Charger & Maintainer - Waterproof 20 Watt Solar Panel Built-in Ultra Smart MPPT Charge Controller + Adjustable Pole Mount Brackets for Pole Dia 1.5-3.0inch/40-80mm

20W SOLAR PANEL BATTERY CHARGER WITH POLE MOUNT BRACKETS 12v

• 【Ultra-Smart MPPT Technology】This 12v solar panel battery charger is crafted with SUNER POWER's unique Ultra-Smart MPPT( Max Power Point Tracking) technology, the innovative MPPT allows to deliver high tracking efficiency of up to 99% and peak conversion efficiency of 98%, improving approximately 20%-30% utilization rate than other competitors
• 【Improved 3-stages Charging】The improved 3-Stages charging algorithm (Bulk, Absorption, Float) allows to charge 12-volt battery more effectively, ensures battery is safely recharged and increases battery life and performance
• 【Free Maintenance】The solar trickle charger stops charging when battery has full charge, and automatically resumes when battery has discharge, totally free maintenance. A fully-automatic, worry-free and smart 12volt solar charger .
• 【8-Safety Protections】Built-in multiple protections including over-charge, over-discharge, over-voltage, over-current, over-load, short circuit, reverse polarity, and over-temperature, waterproof and spark-proof, the battery is fully protected
• 【 Visual Charging Level】The charge level indicators allow to visually monitor the stage of charge among 25%-50%-75%-100%.
• 【 Three Battery Charging Modes 】Independently charge and control each 12 volt battery with selectable charging modes - including 12V, 12V AGM and 12V Lithium - for all types of lead-acid boat, car, dump trailer, automotive, marine, RV, powersport, camper and deep cycle batteries, including flooded, gel, AGM, SLA, VRLA and maintenance-free, plus lifepo4 lithium batteries.
• [Adjustable Pole Mount Bracket]The pole mount brackets allows you to easily adjust solar panel angle among 0-15-30-45-60 degree according to personal requirements. The mount brackets were designed for pole diameter 2.35-4.0inch/60-100mm
• 【Superior Quality and Material】Made of premium Grade A+ solar cells with efficiency up to 21%-30%, tempered solar glass and durable corrosion-resistant frame, withstand extreme weather conditions like UV, anti-rusting, erosion, hail, and sandstorm