20W 12V Flexible Mono Solar Car Battery Trickle Charger
20W 12V Flexible Mono Solar Car Battery Trickle Charger & Maintainer Kit Waterproof & Portable, Multiple Safety Protections, Smart Charge Controller with USB, Fits 12V Car, RV & Boat Batteries 20W HIGH-EFFICIENCY MONOCRYSTALLINE PANEL:** Built with premium monocrystalline silicon cells for strong, stable output even in weak sunlight. This 12V solar trickle charger gently offsets battery self-discharge to prevent battery drain, extend battery life and keep your battery ready during long-term parking. PWM CONTROLLER WITH LCD DISPLAY:** The included PWM solar charge controller features a clear LCD screen that shows real-time charging data, plus adjustable voltage settings, a built-in timer...