LG Energy Solution FLEX Residential Storage System

FLEX is the elegant battery storage system for your PV system that can be flexibly mounted on the floor or wall. With efficient and long-lasting battery cells from LG Energy Solution.

Why the FLEX Residential Storage System is your first choice

Flexible use-cases

Attach FLEX to the wall in up to 36 configurations or simply install it on the floor.

High compatibility

The FLEX is compatible with hybrid inverters from leading manufacturers such as Fronius and KOSTAL, both 1-phase and 3-phase.

Modular expandable

The FLEX offers up to 17.2 kWh storage capacity and 8.5 kW power, depending on the number of battery modules. These can be retrofitted.

Only FLEX is so flexible

  • Floor/wall: The FLEX battery storage system can be mounted upright or suspended. As a fully equipped 17.2 kWh residential storage system, up to 36 configurations are possible in which the modules and protection unit can be suspended.

  • Modularly expandable: Individual battery modules can be easily added to expand the capacity, both for the suspended and the upright version.

  • Simple replacement: A faulty module can be easily replaced without affecting its functionality.

FLEX is compatible with popular inverters

  • High compatibility: The system can be combined with popular inverters such as the Fronius Symo or Primo GEN24 Plus, the KOSTAL PLENTICORE plus and PLENTICORE BI, the GoodWe ET Hybrid series and the SMA Sunny Tripower Smart Energy.

  • 1- & 3-phase: The FLEX battery storage is compatible with 1- and 3-phase hybrid and storage inverters.

  • DC & AC: System operators can integrate the FLEX on the DC side with a new solar system to maximise system efficiency. Alternatively, existing systems can be retrofitted with a FLEX storage system on the AC side with little effort.

A Battery Storage System for residential and small C&I systems

  • Three versions: The FLEX residential storage system has a modular design and is available in three standard sizes with a capacity of 8.6 kWh, 12.9 kWh or 17.2 kWh. Depending on the number of storage modules, the FLEX achieves a peak output of between 5 and 11 kW.

  • C&I solution: For small C&I applications, two FLEX battery systems with a total of 34.4 kWh can be cascaded. Available from Q2 with selected inverters.

  • Highest safety standard: Our battery modules are certified to the world’s highest safety standard UL9540A.

"I've been using the LG Energy Solution FLEX storage system for over a year now and I'm delighted! I've almost doubled my self-consumption of electricity from my solar system and in summer I now charge my electric car more often in the evening partly from the storage system for the next day."
Jürgen Vollert
Customer of LG Energy Solution

How to install the FLEX Battery Storage System


Who can install my FLEX Residential Storage System?

We work with a large number of certified installers in your area.

Visit the partner overview on the LG ESS website >

Where can I buy LG Energy Solution products?

As an installer, you can buy our products from all major wholesalers in Europe.

To the wholesaler overview >

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