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eBTM - electrical Battery
Thermal Management

Universal solution for electric battery thermo management with eBTM

Designed for vehicle manufacturers, the eBTM from Webasto ensures optimal battery performance of electric vehicles while prolonging their service life. The electrical Battery Thermal Management actively maintains the optimal temperature, balances between cooling and heating circuits and improves overall vehicle efficiency.

Benefits of eBTM

The eBTM from Webasto significantly enhances the performance of your vehicle. It extends the driving range, accelerates the charging process, optimizes recuperation in cold conditions and promotes battery longevity.

Extended driving range

Experience up to 8.9 % more driving range with high-frequency start/stop driving profile.

Boosted charging energy

With active thermo management, eBTM enhances charging energy by 41 % within an hour.

Faster charging

Pre-conditioned battery packs with eBTM charge up to twice as fast and increases charging power by 24 %.

Higher recuperation

In low temperatures, eBTM increases recuperation and charging power by 24 %.

Improved battery health

Maintain a healthy vehicle with eBTM, boosting battery state of health by 21 % in hot climate conditions.

Optimal temperature control

With up to 10 kW heating and 8 kW cooling, eBTM maintains the optimal temperature range for battery performance.

Technology highlights

Efficient battery conditioning

The Webasto eBTM is a stand-alone battery thermo management unit. It ensures optimal functioning of water-cooled battery packs in electrical commercial vehicles and guarantees long-term ideal battery cell performance.

Illustration of eBTM battery Battery illustration

Water-cooled battery solution

With powerful coolant pumps in the eBTM, optimal functioning of water-cooled battery packs is ensured. A 50/50 water/glycol mixture flows through integrated cooling plates, maintaining the battery's ideal operational temperature.

Illustration of wheel loader with electric lines Wheel loader illustration

Compact and robust design

Components for coolant and heating circuits, electrical water pumps and control units are all housed within the compact design of the eBTM.

 

Product picture of eBTM eBTM design

Scalable system solution for various vehicle types

eBTM is a perfectly scalable solution: Starting with just one unit, every type of electrical vehicle can be equipped with one or several battery cooling units.

 

Illustration of eBTM installed in a bus eBTM bus application

Variety of installation positions

A compact design and several fixture points ensure flexible installation, for example  on bus roofs or under the chassis of trucks or light commercial vehicles.

 

Illustration of eBTM installed in a truck eBTM Truck application

Product details

Product specifications

Designed for larger vehicles, eBTM offers 8 kW cooling and up to 10 kW heating. It handles a high battery capacity of 210 kWh and comes in 400 V and 800 V versions, using R-1234yf refrigerant.

The perfect fit for your vehicles

The eBTM is suitable for a wide range of electric and hybrid vehicles. It optimizes battery performance, increases energy efficiency and extends the battery’s lifespan.

Delivery scope

For manufacturers, each eBTM package comes with all the necessary components for installation. The system is ready for a plug-and-play installation, making it easy for you to get your vehicle on the road quickly.

Downloads

eBTM - Brochure

Download the eBTM brochure to get more insights

Size
5 MB
Format
application/pdf
Download

eBTM - Data sheet

More details can be taken from the eBTM data sheet

Size
152 KB
Format
application/pdf
Download

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