POWOXI-Upgraded-20W-Solar-Battery-Charger-Maintainer, External Smart 3-Stages PWM Charge Controller, 12V Solar Panel Trickle Charging Kit for Car, Marine, Motorcycle, RV, etc
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- Latest Design In 2025 20-watt high-efficiency single- crystal silicon solar charger, can generate electricity in any weather. Supporting on the ground can receive better sunlight with mounting bracket, Can maintain your 12-volt battery perennially
- LED Indicator The LED indicators offer a clear view of battery status. When both blue and red lights are on, the battery is charging. When blue, red, and green lights are all on, the battery is fully charged. Easily monitor the battery's condition
- Intelligent Charging and Maintenance External 3-stage PWM controller increases power by 20%-30% compared to traditional models. The STM 8 microprocessor intelligently manages charging, extends battery life, and maintains batteries efficiently year-round
- All-Round Protection Offers overcharge, overvoltage, short circuit, and invert polarity protection. The controller automatically shuts down at night to save power and restarts during the day, ensuring safe year-round battery maintenance
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