About this item

• 【 Superior Material】Made of premium Grade A+ solar cells, tempered solar glass and corrosion-resistant aluminum frame, withstand extreme weather conditions like UV, anti-rusting, and erosion, hail, and sandstorm.
• 【 Comprehensive Safety Measures 】Equipped with various safeguards such as over-charge, over-discharge, over-voltage, over-current, overload, short circuit, reverse polarity, and thermal protection, this battery offers complete protection against potential hazards while being waterproof and spark-resistant.
• 【 Visual Charging Indicator】The charge controller allows to visually monitor charging status of solar panel, battery and load. The load has three modes, allowing for timer settings and automatic dusk-dawn control, practical and useful.
• 【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.
• 【Smart Solar Kits】20W solar panel and 10A charge controller are smart off-grid solar panel kits to charge and maintain 12-volt batteries sealed lead-acid trailer, tractor, truck, boat, motorcycle, RV, car, lawn mower, water pump, gate opener, electric fence and deep-cycle batteries, including flooded, gel, AGM, SLA and maintenance-free, plus lifepo4 lithium batteries.
• 【 Easy to Use 】This solar panel battery charger stops charging when battery has full charge, and automatically resumes when battery has discharge, totally free maintenance. Pre-dilled holes on frame allow for quick mounting, all cables are plug and play, offering you easy and quick using experience.