ROCKSOLAR 20A PWM Solar Charge Controller
ROCKSOLAR 20A PWM Solar Charge Controller
Available in stock (185)
4-Stage PWM Technology: Efficient battery charging for enhanced longevity.
IP67 Waterproof: Resilient design for reliable outdoor use.
Intelligent Protections: Safeguards against overcharging, short-circuit, and more.
Backlit LCD Display: Easy monitoring of system status and performance.
Multi-Battery Support: Compatible with AGM, GEL, Lithium-ion, LiFePo4.
Automatic Voltage Detection: Adapts to 12V/24V systems seamlessly.
High-Efficiency Charging: Optimizes solar energy utilization.
User-Friendly Interface: Simplified controls for effortless operation.
Compact Design: Ideal for space-efficient installations.
Durable Build: Engineered for lasting performance in varied environments.
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Why Choose Rocksolar?
Why Choose Rocksolar?
Rocksolar is Canada's trusted source for professional-grade solar equipment. With years of experience in renewable energy, we provide reliable, certified products backed by comprehensive warranties and expert support. From homeowners to commercial installers, thousands trust us to deliver quality solar solutions that perform for decades.
Installation Information
Installation Information
Designed for DIY installation by those comfortable with basic electrical work.
What You'll Need:
- Basic electrical tools (wire strippers, screwdrivers, multimeter)
- Understanding of electrical safety and local codes
- 2-4 hours for typical installation
Included: Detailed manual with diagrams, wiring schematics, and access to online video tutorials.
Note: Follow local electrical codes. Permit may be required. Contact our technical support team at 1-800-858-4318 with any questions.
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.
- Expert System Sizing
- Bulk Order Pricing
- Technical Support

