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Powerblocks
Modular energy storage + hybrid inverter. Charge, store, and trade energy—day or night.
- Up to 112 kWh Storage
Scale from 8 kWh to 112 kWh—enough to back up essentials for hours or keep the whole home running for days. - 12 Year Warranty
Long-lasting coverage that goes beyond industry standard, protecting your investment. - Comprehensive Safety Protections
Built-in safeguards against overvoltage, overload, overtemperature, short circuit, and low voltage/temperature—peace of mind built into every battery. - NEMA 4X Outdoor Ready
Built tough for the outdoors. Resists rain, snow, dust, and even salt air—ideal for coastal or harsh environments. - Mounting
Powerblocks are freestanding on a concrete slab or foundation. Minimum capacity: ≥700 lb (≥320 kg) static load.
Installation Manual
Battery Modules
- Lithium-Ion (LFP) Chemistry
Safe, stable, and proven for thousands of deep charge cycles. - 4 kWh Per Battery
Modular design makes it easy to size the system for your home’s exact needs. - 2 to 7 Batteries Per Stack
Configure each Powerblocks stack to your ideal capacity. - Up to 4 Stacks, 112 kWh Max
Expand as you go—from a starter system to whole-home independence. - Guaranteed 6,000+ Cycles at 80% Capacity
Engineered for daily use, delivering reliable performance for decades. - 11.4 kW Continuous Output / 18 kW Peak
Plenty of power for EV charging, HVAC, and heavy appliances.
Hybrid Inverter
- All-in-One Design
Each Powerblocks stack ships with a dedicated inverter for simple, hassle-free installation. - 22.8 kfW Max PV Input Per Inverter
High solar intake capacity to maximize generation and storage. - 150–800 V DC Range
Flexible input range for solar arrays of different sizes. - 120/240 V Split Phase Output
Standard for U.S. homes—works with existing electrical systems. - 11.4 kW Continuous Output
Strong, steady power for everyday loads. - 98.2% Max Efficiency
Converts more solar into usable energy, reducing waste. - Grid-Tied + Off-Grid Support
Switch between grid and islanded mode as needed for resilience. - <10 ms Auto-Switch
Seamless transition to backup during an outage—lights stay on without interruption.
Environmental Specs
- –40 °F to 130 °F Operating Range
Performs in extreme climates, from snowy winters to desert summers. - 100% Humidity & Up to 6,500 ft Altitude
Designed for coastal, humid, and high-altitude homes alike. - IP65 Protection Rating
Dust-tight and weather-resistant—safe indoors or outdoors. - Active Cooling System
Fan and thermal dissipation keep batteries at peak performance. - Flexible Mounting
Install on a wall or pad to fit your space.
Compliance
- UL9540 Certified
The gold standard for complete energy storage systems. Verifies the entire setup—batteries, inverter, and controls—works safely together. - UL1741 SA/SB Certified
"Smart Inverter" compliance for the modern grid. Enables advanced grid-support functions and ensures your system meets the latest utility interconnection standards (including Rule 21). - UL1973 Certified
Applies specifically to batteries. Confirms safety and performance under real-world operating conditions. - UL9540A Tested
The most rigorous fire-safety test for batteries. Proves our system is designed to prevent and contain thermal events. - UL 1642 Certified
Focuses on the core technology. Certifies the safety and stability of the individual lithium-ion cells inside every battery module. - UN 38.3 Certified
Ensures durability in transit. Verifies that the battery modules are robust enough to withstand the shocks, vibration, and impact of shipping and transportation. - UL 1741
Certified The baseline requirement for grid-tied inverters in the U.S. Ensures the inverter connects to the utility grid safely and reliably. - UL 1699B Certified
Advanced fire prevention. Certifies the system’s ability to actively detect and stop dangerous DC electrical arcs before they become hazards. - UL 1998 Certified
Verifies the "brain" of the system. Certifies that the safety-critical software controlling your battery and inverter is reliable, bug-free, and failsafe. - NEC 2023 Compliant
Built to align with the latest national electrical code.