POWOXI 20W Magnetic Solar Panel & POWOXI Portable Battery Tester

• 🧲【Unique Super Magnetic Installation】 This 20W solar 12v battery charger with monocrystalline Pro+ solar silicon material Increases conversion rate, 6 magnets of the solar panel, and quickly and firmly install the solar panel to the position you need. The built-in blocking diode structure ensures no reverse discharge, overcharge, overvoltage, or short circuit. ♻️【2023 Upgrade MPPT Intelligent Controller】12v solar trickle chargerImprove the charging efficiency by 30%. More importantly, it does not consume power. Do not work at night, automatically re-work during the day. A solar panel kit can not only intelligently control charging and discharging to extend battery life, but also have full protections such as short circuit protection, lightning protection, under-voltage protection, overcharge protection, and reverse polarity protection. 🚥【Smart Indicator Light】solar battery charger 12 volt waterproof 3 color changes of the indicator light, easy to understand the current working status of the 12v solar battery charger and no longer confused. Blue: in the sun. Blue and red: charging. Blue, red, and green: fully charged. Solar trickle charger for car battery. 【LED display】: an LED display that shows the corresponding amount once the current has passed. (Measurement from 5 volts) 【Widely used】: that is, clip and measure, can be any common battery on the market voltage test (except dry cell, less than 5 volts can not be measured)