ROCKSOLAR 20A PWM Solar Charge Controller
Available in stock (185)
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Description
Description
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
Shipping & Rerturns
Shipping & Rerturns
- Shipping: Orders are processed within 1–2 business days. Standard delivery takes 3–7 business days depending on your location.
- Returns: You may return or exchange products within 30 days of receiving your order. Items must be in original condition with proof of purchase.
- If your item is defective or damaged due to manufacturing issues, we’ll gladly replace it at no additional cost.
Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.
Talk to Our Solar Experts
Have questions about this system? Our solar specialists are here to help you choose the right setup for your needs. Whether you need sizing guidance, installation support, or bulk pricing, we're ready to assist.

