AlphaESS StaX 30/50kW Energy Storage

Stackable Energy Storage System
StaX–M30/50

Commercial Power. Residential Ease.

30–50 kW | 96.4 kWh–216.9 kWh

GET A QUOTE

Designed to Save, From Time to Cost

No Heavy Truck Needed

With its modular design, StaX can be transported with just a van or pickup, helping you save on freight costs and avoid the hassle of heavy shipping.

Skip the Crane, Easy Handling

No crane. No concrete foundation. StaX installs quickly with minimal site prep, accelerating your project timeline from day one.

Easy Access in Tight Spaces

Designed to navigate through narrow passageways, StaX is easily transported through elevators and tight spaces where others can't go.

Stack and Go

Just stack, connect, and power on, even one installer can set it up, with pre-charge, saving you time, labor, and cost.

Power That Fits Seamlessly Into Every Space

Silent Power, Zero Disruptions
Compact Footprint, Just as a Printer
All-Weather Durability, Reliable Performance
Clean Design, Effortless Integration

The StaX battery supports separate installation from the inverter at a maximum distance of 20 meters, allowing you to enjoy a nearly silent usage scenario.

Tight spaces limit most systems. StaX fits just like a printer, delivering high capacity without sacrificing room or performance.

Outdoor installations face rain, dust, and temperature shifts. StaX’s robust design, paired with built-in battery heating, ensures stable performance in any condition.

StaX’s stack-and-play modules connect effortlessly, eliminating extra wiring and creating a clean, modern system that fits naturally into any space.

Boost Self-Consumption, Reduce Energy Costs

Self-consumption
Dynamic tariff

200% PV Overloading For Max Self-Consumption

StaX is engineered for up to 200% PV overloading, allowing you to capture every extra watt from your rooftop system. Instead of wasting midday generation, StaX stores it for use in the evening or during peak-rate periods—helping you double your solar utilization and significantly cut your electricity bills.

Future-Ready Power for a Dynamic Market

Integrated with Octopus and other dynamic tariff platforms, StaX intelligently charges when electricity is cheapest and discharges during peak-rate periods, ensuring your operations always run on the most cost-effective power available.

Flexible Storage, Optimized for Every Project

12 kWh Modular Design for Precise Scaling

With StaX’s 12 kWh stackable modules, expand capacity module by module to match your project perfectly, maximize efficiency while minimizing upfront costs.

Stackable , Plug-and-Play for Commercial Energy

StaX’s innovative stackable design enables tool-free, wiring-free installation. Expand precisely to meet your project needs, efficiently and safely.Expand your system as easily as stacking building blocks.

Mix and Expand with Ease

StaX batteries feature built-in BMS for automatic dynamic balancing, letting you grow your system as your project evolves, saving cost and future-proofing your investment.