Battery energy storage systems (BESS)

Any EV battery.
The whole pack.
A second life.

BalanceX builds affordable battery energy storage systems from retired electric-vehicle battery packs. Whole packs, any brand, no dismantling.

Join the pilot → See our BESS
BalanceX battery energy storage container next to a solar field
BalanceX BESS concept · 200 kWh unit
1.3Mt/yr

EV batteries reaching end of life every year by 2035

€72/kWh

second-life pack cost, vs €90/kWh for new BESS batteries

750GWh

EU storage need by 2030, vs 77.3 GWh installed end-2025

Sources: IEA Global EV Outlook 2025 (via Circunomics); industry estimates compiled by BalanceX.

Row of BalanceX battery energy storage units in the sun

Our product

The BalanceX BESS.

A complete battery energy storage system, built from retired EV battery packs and delivered ready to connect to your site.

Batteries
Whole second-life EV packs, any brand
Battery management
Original BMS, or the Bx proprietary BMS
Power conversion
Bidirectional inverter, grid or microgrid
Energy management
AI-based health monitoring and optimisation
Use cases
Peak shaving, solar storage, grid support
Ask about a BESS for your site →
Battery storage units beside solar panels and wind turbines in green hills

Why it matters

Storage that finally pays off.

Lower upfront investment

Storage becomes viable for industrial users, municipalities and smaller operators.

Faster return on investment

Immediate savings through peak shaving and energy optimisation.

Greater energy independence

Less exposure to volatile electricity prices and external supply chains.

We don't adapt batteries to systems. We adapt our system to batteries.
BALANCEX AB

Explore

From retired pack to grid storage.

Technology

Keep the pack whole

How we give any retired EV pack a second life, without dismantling.

See the technology →

How we work

Battery-as-a-Service

Lower, predictable energy costs, no upfront investment.

See our offer →

Pilot

200 kWh pilot from 2027

We are looking for pilot customers and partners.

Join the pilot →

Join us in unlocking the future of energy.

Pilot customer, industrial partner or investor? Send us a message and we will get back to you.