Powerblocks Tech Specs

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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.

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.
7,000+ Cycles at 80% Capacity
Engineered for daily use, delivering reliable performance for more than a decade.
11.4 kW Continuous Output / 18 kW Peak
Plenty of power for EV charging, HVAC, and heavy appliances.

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.

–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.

UL9540 Certified
The gold standard for complete energy storage systems. Verifies the entire setup—batteries, inverter, and controls—works safely together.
UL1741 Certified
Required for grid-tied inverters in the U.S. Ensures smooth, reliable connection to the grid and full utility approval.
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.
NEC 2023 Compliant
Built to align with the latest national electrical code.