GREENROCK Business – The saltwater battery
The safes and most environmentally friendly battery storage – delivered as turnkey solution.
Saltwater batteries, power electronics, energy management system (EMS), cabling and fuse protection are included in the GREENROCK business.
- Ready for connection
- Quick and easy installation by certified GREENROCK partner
- Reliable and maintenance-free
- Battery module and power cabinet easy to move with the forklift
- Battery modules stackable up to 3 levels
- Robust, thanks to a wide temperature tolerance from -5°C to +50°C and a depth of discharge (DOD) of 100%
- Scalable from 30 – 270 kWh
GREENROCK – tecnical data
Capacity:
30-270 kWh
Voltage:
48V
three-phase
AC or DC coupling possible
C-Rate:
0.2
Round-Trip Efficiency:
90%
Depth of Discharge DOD:
100%
Lifespan:
15 years (@ 70% usable capacity)
Cycles:
5.000 cycles @ 80% DOD
Temperature range:
-5°C to + 50°C
Communication:
Modbus TCP
Weight per 30 kWh:
battery module
1,8 tons + junction box ca. 400 kg
Line-up:
Indoor
Guarantee:
5 years
Applications:
Own consumption of solar power, wind energy, …
Emergency power
Off-grid solution
Additional advantages:
No separate structural measures needed
No requirements regarding transport = harmless merchandise

GREENROCK – Key facts
Plug & Play ready-to-connect complete storage system
The safest and most environmentally friendly power storage
Absolutely maintenance-free
Non-flammable cell
Non-explosive
No toxic materials
Safe to touch
Overcharging impossible
Secure against vandalism
Wide temperature range -5°C to 50°C
Even in state of deep discharging and partial charge long system life
Environmentally-friendly salt water based electrolyte
No special construction regulations regarding battery compartment to be considered
Transport as harmless goods – no dangerous goods
Island operation / Emergency power storage / energy storage cluster with intelligent energy management system
Usage Examples
Farmers can be sure about the supply of their life stock. Ventilation, infrared lamps, feed and milking equipment are powered by the battery storage in the event of a failure of the main system. Special agricultural solutions can be expanded to the energy management system.
Hotels and restaurants benefit, above all, from load management. E-charging stations are optimally supplied.
For business and manufacturers, data backup is the first priority in the event of a power failure. Production machines take power from the GREENROCK storage and continue production in the event of a power failure.
GREENROCK Container Solutions

The simplest solution for transport and set-up: A GREENROCK Business System is installed in a sea container. The complete system is delivered in a container and installed with the container on site.
Advantages:
- plug and play
- Off-grid and on-grid solution
- Self-sufficient on renewable
- Optimizing transport volume
- 6 – 40 feet container
- Ventilation, active cooling or heating available on request
Various energy sources can be integrated into the storage system.
Define your ideal energy storage solution
What storage capacity is needed for my electrical energy storage? Which energy should the storage deliver? What is the optimal energy storage size for my photovoltaic and my electricity needs? The electrical energy storage configurator helps you to define your ideal storage. Easy and quick.
Selected Customer projects – GREENROCK in use
In our blog you can read about projects and their special features. Click on the pictures of the individual references above and find out more.
You can read all our blog articles here.