OYMSAE 10W 12V Solar Panel Car Battery Charger Portable Waterproof Power Trickle Battery Charger & Maintainer for Car Boat Automotive RV with Cigarette Lighter Plug & Alligator Clip[Charge Visualization]The indicator lights can help you understand the charging status: the blue light is on (put in the sun), the red light is on (charging), and the green light is on (charging is complete). A short circuit occurs and all three indicators are off. [Intelligent Protection] Built in charging microprocessor, improved charging algorithm, can provide overvoltage protection, overcharge protection, short circuit protection, etc. It can