GREENROCK saltwater energy storage paves your way to your energy independence!

GREENROCK’s battery technology is the safest and greenest electricity storage device in the market for storing electric power. Maintenance-free and reliable at the same time. Robust due to the possibility of a complete deep discharging of the battery.

A wide temperature tolerance window allows additional flexibility for you as a customer. Even if it gets really hot, the GREENROCK power storage can neither burn nor explode.

Safety first! See for yourself!

Greenrock Home Energy Storage 6 kWh

Scalable from 5 kWh

Greenrock Home Energy Storage 12 kWh-1

to multiple hundred kWh

 Safe – Saltwater battery surviving  30 minutes in fire hell

See for yourself how safe this technology is.

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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.

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GREENROCK – Technical Data

Standard solutions of 5 kWh – 30 kWh
Project-related solutions up to 1MWh

24V and 48V
Single-phase or three-phase
AC or DC coupling possible


Round-Trip Efficiency:

Depth of Discharge DOD:

15 years (@ 70% usable capacity)

5.000 cycles @ 80% DOD

Temperature range:
-5°C to + 50°C

Modbus TCP

Weight per kWh:
60kg + 1x junction box 30 kg


10 years

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 Home Energy Storage 6 kWh

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

Island Mode functionality? Emergency Backup storage system? Micro-grid and energy storage cluster? Have your GREENROCK your way!

We ship GREENROCK pre-configured to your needs. Plug & Play, easy to install!

Island Mode

You want to maintain an energy self-sufficient micro-grid, off-grid island?

Emergency back-up

Emergency back-up storage to secure the energy supply for critical appliances?

Energy storage cluster

Energy storage cluster to bundle several single GREENROCK system into one storage cluster?

GREENROCK – saltwater storage

Selected Customer projects – GREENROCK in use

Step towards energy independence. Be informed about saltwater electrical energy storage.

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