A energy storage solution. Developed to assist businesses and real estates to minimize energy spikes while stabilizing cost. Reducing emissions with sustainable battery modules, made in Sweden. 

Early Bird Offer – 8kWh System
89.000 SEK – Available from August 2023
Starter pack + 1 module. Value 100.000 SEK
(Excl. Installation)

interested in a early bird offer of our system, subscribe to know more

Energy storage from Solar cells
Integrated Checkwatt hardware
24/7 – Outage Protection

Modular Energy Storage Systems (M-E-S-S)

The M-E-S-S system features battery modularity, each module containing 5kWh, and features storage up to 25kWh (5 modules total). With a 5 year warranty on each individual module. 


Measure and select time of day to charge your M-E-S-S with help from our open APIs. You can integrate data from Tibber. 


Designed and developed to fit standardized EU/IKEA measurements of 60*60*80cm


Use the stored energy during cost spikes, or resell it to the market. 


Nominal Voltage: 220v
Battery: 48v, 100Ah
Charge: 1C 

5 years (or 3000 recharges)

Meets EU regulations, RoHS & CE approval

Size & Weight
H x W x D (mm)
800 x 600 x 600
Starting: 50kg (1 module)
Module Weight: 20kg

The cabinet features from 1 to 3 battery modules, ranging your storage from 8 – 24kWh. Easy to install with quick mounts and sliding hinges. 



  • 8 kWh - Starting Pack
  • SEK 89 500

  • 3 module Cabinet
  • 1 module (8kWh) included
  • IOT connection
  • Integrated Check-watt hardware
  • 8 kWh - Battery Module
  • SEK 59 500

    Complete module with quick mounts
  • 8kWh (48v)
  • CE & RoHS approved
  • Up to 5000 charges
Checkwatt simulation
Based on avg swedish villa owners consumption in zone 3+4 with 20m2 solar cells, starter pack + 2 extra modules (24kWh) 
Calculated on energy zone 3 & 4

CHECKWATT Integrated

The M-E-S-S System allows the user to easily monitor, setup and streamline the energy need. All included in the 4G connectivity along with the integrated Check-watt system. 

Collects energy price/rates from the market and helps you setup an optimized energy usage
Notification upon power outs, spikes or disturbances in the net.
Machine Learning of energy consumption and optimization for daily cost reduction

Our Philosophy

CE – Approved

RoHS & EMC approved accordingly to EU Standards

Made in Sweden

Assembled, tested & Manufactured in Sweden. 
All done. with precision welding & assembly according to ISO9001 quality.

Cradle to Grave

Even though Mattery Pack has a lifespan exceeding 3000 recharges. Our team will assist with recycling your pack or replacing the worn cells (&components) at a reduced rate. 

Stålverksgatan 5
41707 Gothenburg

We are Gothenburg´s number one go-to company for high voltage battery assemblies, powertrains, prototypes and products. This is what we do.At Mattr we are doers. We love to build and to make stuff. We love to create new shiny things to challenge ourselves and the status quo. To challenge the perception of what can and can’t be done. It’s in our bones and in our culture. A culture of friendship. A culture of the power of the collective mind And the potential of cray-cray-genius go-my-own-way individualism.