20kW Hybrid Solar System | 21.6kW Solar + 40.96kWh Battery | ROCKSOLAR
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Description
Description
Power large homes, farms, workshops, and remote properties with the ROCKSOLAR 20kW High-Voltage Hybrid Solar System. Built around the powerful Isuna U20K-POH 20kW Hybrid split-phase inverter, this complete solar energy system combines a 21.6kW Philadelphia Solar array with 40.96kWh of GSL high-voltage LiFePO4 battery storage for dependable 120/240V on/off-grid power.
Designed for demanding applications, the system provides 20,000W of continuous AC output, supports large 120V and 240V loads, and offers substantial solar capacity for simultaneously powering equipment and recharging the battery bank.
Key System Features
- 20kW continuous off-grid inverter output
- 120/240V split-phase, 50/60Hz
- 36 x 600W Philadelphia Solar panels
- 21.6kW total solar array
- 6 PV strings x 6 panels in series
- 40.96kWh GSL high-voltage LiFePO4 battery
- Up to 30kW PV input capacity
- 4 independent MPPT trackers
- 80-480V HV battery compatibility
- 2 independent battery ports
- Dedicated generator input up to 48kW / 200A
- Up to 98% maximum efficiency
- 97.1% CEC efficiency
- Strong motor-starting and overload capability
- IP66 / NEMA 4X
- Wi-Fi, LAN, 4G and Bluetooth monitoring
- CAN and RS485 battery communications.
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.

