50W Flexible Solar Battery Charger PRO

[Intelligent Charge & Maintain] Built-in intelligent MPPT charge controller, generates at least 10%-20% more power than traditional controller. Smart 3-stages charging algorithm is improved to better charge and maintain 12v battery in all seasons. [Full Protections] Prevent battery from over charge, over voltage, discharge and short circuit, reversed polarity protection, waterproof and sparkproof, battery is fully protected. [Visual Monitor] The colorful LED indicator helps to visually monitor the working status, better understand battery conditions-flash in green, output normal; flash in Red, Charging normal; solid green, battery is full; solid red, errors; indicator off, no output. [High Efficiency] Made of world-calss SUNPOWER solar cell(up to 24% efficiency) the highest-efficiency solar cell avaiable today at high volumes, the advanced EFTE lamination helps the solar cells absorb more sunshine and generate at least 3% more power. [Flexible & Lightweight]Unlike regular frag