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Volvo Penta BESS subsystem
Worth knowing mostly because of what is built on it. Volvo Penta does not sell you a storage unit; it sells its truck battery technology to the companies that do, with the battery management, a DC/DC unit and the monitoring included. If a mobile charging battery on your shortlist says 'Volvo Penta inside', this is what that means. No capacity and no price are published at this level.
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General 5 / 8
| ModelVolvo Penta does not give it a commercial model name; it is sold as a subsystem | Volvo Penta BESS subsystem | ↗ ↗ |
|---|---|---|
| What it isTommi Wulff of Volvo Penta: a proven, scalable subsystem that partners build into complete charging and energy storage systems | The battery part of a storage system, sold to the OEMs and integrators who build the finished charging and storage units | ↗ ↗ ↗ |
| FormFor stationary and mobile uses alike | Subsystem: Cube battery packs with battery management, a DC/DC unit and a monitoring system | ↗ ↗ |
| AnnouncedVolvo Penta moved into battery energy storage in 2023 and showed a job-site-ready version at bauma in 2025 | not published | |
| IAA Transportation 2026Shown with the Hivolt 380X built on it by Contour Advanced Systems | Hall 11, stand F31 | ↗ ↗ |
| Availability in EuropeSold to OEMs and system integrators, not to end users; in use in the Hivolt 380X | Available as a ready-to-deliver subsystem | ↗ ↗ |
| List priceNot published; the subsystem is co-developed per customer | not published | |
| WarrantyNot published | not published |
Energy and power 1 / 10
| Capacity, grossNot published. Volvo Penta says the subsystem scales, and the finished units built on it run from a few hundred kWh upward | not published | |
|---|---|---|
| Capacity, usableNot published | not published | |
| VoltageVoltage of the Cube battery packs; a Volvo Penta DC/DC unit brings it down to 24 V for auxiliaries | 600 V | ↗ |
| Charge powerNot published | not published | |
| Discharge powerNot published | not published | |
| Charge rateNot published as a number. Volvo Penta describes a favourable C-rate for fast charging and discharging | not published | |
| Charge timeNot published | not published | |
| CyclesNot published | not published | |
| EfficiencyNot published | not published | |
| Service lifeNot published; Volvo Penta speaks of battery longevity without a figure | not published |
Cells and build 2 / 8
| ChemistryNot published | not published | |
|---|---|---|
| Cell formatNot published | not published | |
| Cell supplierThe technology comes from the Volvo Group's electromobility platform, already used in Volvo vehicles on and off the highway | Volvo Group | ↗ ↗ |
| ArchitectureThe interfaces (CAN and DC) are carried over from the Volvo Group platforms; Volvo Penta calls the subsystem modular and scalable | Cube battery packs, battery management system, Volvo Penta DC/DC unit and monitoring system | ↗ ↗ |
| Energy density, by massNot published; Volvo Penta only calls the pack energy-dense | not published | |
| Energy density, by volumeNot published | not published | |
| MassNot published | not published | |
| DimensionsNot published | not published |
Thermal and safety 2 / 6
| CoolingMeant to hold performance across different environments | Thermal management system included | ↗ ↗ |
|---|---|---|
| Operating temperatureNot published | not published | |
| Protection ratingNot published; the enclosure is the integrator's job | not published | |
| StandardsNot published | not published | |
| Thermal runaway containmentNot published; high-voltage isolation monitoring is named | not published | |
| Battery managementVolvo Penta names performance, battery longevity and cyber security as what it protects | Automotive-grade battery management system, with high-voltage isolation monitoring and a telematics gateway for live monitoring | ↗ ↗ ↗ |
At the depot 3 / 8
| Grid connection behind itNot applicable at subsystem level; the integrator decides | not published | |
|---|---|---|
| Peak shavingNamed among the uses, together with energy arbitrage, EV charging and temporary power | yes | ↗ |
| AC- or DC-coupledDelivered as a DC subsystem with CAN and DC interfaces; the inverter is the integrator's choice | DC subsystem | ↗ |
| InverterNot included. A Volvo Penta DC/DC unit converts 600 V to 24 V for auxiliaries and site offices | not published | |
| Chargers it feedsThe Hivolt 380X built on it charges over CCS2 at up to 300 kW | Whatever the integrator builds around it; at IAA the example was the Hivolt 380X | ↗ ↗ |
| FootprintNot published | not published | |
| NoiseNot published | not published | |
| InstallationVolvo Penta co-develops the configuration with the customer | not published |
Company 3 / 4
| CompanyPart of the Volvo Group | Volvo Penta | ↗ ↗ |
|---|---|---|
| HeadquartersNot restated in the sources read; Volvo Penta is seated in Gothenburg, Sweden | not published | |
| WebsiteProduct page: volvopenta.com/industrial/battery-energy-storage/ | volvopenta.com | |
| ContactNamed and quoted in the IAA coverage | Tommi Wulff, Sales and Business Development Manager, Volvo Penta | ↗ ↗ |
Where these figures come from
- Industrial Vehicle Technology International, 14 September 2026: IAA Transportation - Volvo Penta offers mobile battery storage for off-highway sites (Hall 11, stand F31; Tommi Wulff)
- Industry Europe: Volvo Penta tackles the power bottleneck for transport electrification at IAA 2026 (BESS subsystem and Hivolt 380X on the stand, quotes)
- Electrek, 23 February 2025: Volvo Penta set to show off its new BESS subsystem at bauma 2025 (Cube battery pack, 600 V, DC/DC to 24 V)
- Powertrain International, 10 December 2024: Volvo Penta and the BESS subsystems (components, DC/DC converter, telematics gateway, thermal management, isolation monitoring)
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