Energy storageMobile power (WattsMobi)
power where the grid is not
A container with a battery, a DC charger and power outlets, moved by truck. Rent it for a weekend or for two years: for a construction site, an event, an emergency, a fleet pilot, or to bridge the months until a grid upgrade.
- largest container
- 2.6 MWh
- largest container
- integrated DC charging
- 500 kW
- integrated DC charging
- AC outlets, Powerlock 500 A
- 600 kW
- AC outlets, Powerlock 500 A

WattsMobi
220 kWh to 2.6 MWh
Uses
Short term, long term
Construction sites
Machines, site cabins and electric vans without a diesel generator; solar-ready.
Events
Stages, catering and visitor charging, quiet and without fumes.
Emergency services
Backup power and vehicle charging where the grid is down or overloaded.
Fleet pilots
Test electric trucks or vans on real routes before investing in the depot.
Power boost
More charging power on a site whose grid upgrade is months away.
Temporary installations
Pop-up hubs, seasonal sites, interim depots.
Models
Three sizes
| Model | Battery | DC charging | AC outlets | Weight |
|---|---|---|---|---|
| WattsMobi Mini | Up to 220 kWh | Up to 160 kW, single CCS connector | Up to 80 kW: Powerlock 500 A, CEE 125/63/32/16 A, 3 × Schuko | 2.6 t |
| WattsMobi 10 ft | 522 to 1,044 kWh | Up to 360 kW, dual connector | Up to 240 kW | 8 to 14 t |
| WattsMobi 20 ft | Up to 2,600 kWh | Up to 500 kW, dual connector | Up to 600 kW | 28 t |
WattsFuture data, 09/2025. LiFePO4 cells (10,000 cycles), IP55, −30 to +55 °C, Novec 1230 fire suppression, RS485, Ethernet, 4G and Modbus; solar MPPT and an integrated generator as options.
Rental
How renting works
Short term
Days to weeks: delivery, set-up and collection; energy refilled on site or at our base.
Long term
Months to years: a fixed monthly fee, maintenance and remote monitoring included.
Buy
Keep it as permanent storage once the grid arrives, or move it to the next site.
Prices on request, by model, duration and site.
When and where do you need power?
Dates, place and what you need to run or charge: we confirm availability and the price.