Best commercial battery storage in 2026

Updated October 2026

Battery systems from 30 kWh to 2 MWh for businesses, farms and microgrids, ranked by their Green Energy Score.

1. 1
   

   Energy-Block AC 88kW

   M-TEC GmbH

   97

   Top pick: highest score in this guide.

   • 61.4 kWh
   • LFP
   • 97.5% round-trip
   • 10,000 cycles
   • 10-year warranty
2. 2
   

   Energy-Block AC 50kW2

   M-TEC GmbH

   97

   • 61.4 kWh
   • LFP
   • 97.5% round-trip
   • 10,000 cycles
   • 10-year warranty
3. 3
   

   46.1kWh

   M-TEC GmbH

   97

   • 46.1 kWh
   • LFP
   • 97.5% round-trip
   • 10,000 cycles
   • 10-year warranty
4. 4
   

   Energy-Block Hybrid 30kW

   M-TEC GmbH

   97

   • 38.4 kWh
   • LFP
   • 97.5% round-trip
   • 10,000 cycles
   • 10-year warranty
5. 5
   

   49.9kWh

   M-TEC GmbH

   97

   • 49.9 kWh
   • LFP
   • 97.5% round-trip
   • 10,000 cycles
   • 10-year warranty
6. 6
   

   42.2kWh

   M-TEC GmbH

   97

   • 42.2 kWh
   • LFP
   • 97.5% round-trip
   • 10,000 cycles
   • 10-year warranty
7. 7
   

   53.8kWh

   M-TEC GmbH

   97

   • 53.8 kWh
   • LFP
   • 97.5% round-trip
   • 10,000 cycles
   • 10-year warranty
8. 8
   

   Energy-Block Hybrid 40kW

   M-TEC GmbH

   97

   • 38.4 kWh
   • LFP
   • 97.5% round-trip
   • 10,000 cycles
   • 10-year warranty
9. 9
   

   42.2kWh

   M-TEC GmbH

   97

   • 42.2 kWh
   • LFP
   • 97.5% round-trip
   • 10,000 cycles
   • 10-year warranty
10. 10
    

    38.4kWh

    M-TEC GmbH

    97

    • 38.4 kWh
    • LFP
    • 97.5% round-trip
    • 10,000 cycles
    • 10-year warranty