ROCKSOLAR 20A PWM Solar Charge Controller

ROCKSOLAR 20A PWM Solar Charge Controller What's included: Controller, user manual Key specs: Rated charge current: 20A | Technology: 4-stage PWM Battery compatibility: AGM, GEL, lithium-ion, LiFePO4 Auto 12V/24V detection Protection rating: IP67 waterproof (outdoor-rated — upgraded from the 10A's IP30) Built for: RV solar systems, expedition vehicles, outdoor and off-grid setups, home solar projects, van life Key features: IP67 waterproof — significantly more weather-resistant than the 10A PWM (IP30), suited for exposed outdoor installs 4-stage charging — extends battery life beyond the standard 3-stage Backlit LCD display — visible in all conditions Auto 12V/24V detection — no manual configuration Comprehensive protections: overcharge, short-circuit, reverse polarity, and more