CHARGE FAST. STAY COOL. LIVE LONG.
Faster. Safer. More efficient.
The new generation of low-voltage batteries from Handtmann Systemtechnik GmbH & Co. KG has been specially developed for manufacturers of non-automotive, off-highway vehicles – with the aim of drastically reducing charging times while maximizing service life, safety, and efficiency.
Your advantages at a glance:
Ultra-fast charging
- 20–80% SoC in just 12 minutes (C-rates > 3)
- Ideal for reducing downtime and maximizing operational readiness
CCS compatibility with intelligent BMS
- Automatic switching between:
- 500 V CCS fast charging
- 80–100 V low-voltage discharge
- Perfect balance between charging speed and energy output
Telemetry & system integration
- Integrated data acquisition enables easy integration into fleet management software
- Real-time monitoring for preventive maintenance and operational optimization
Intelligent cooling concept & safety
- Direct cooling at the cell poles reduces heat generation
- Non-toxic coolant minimizes the risk of thermal events
- Significantly extended service life with reduced carbon footprint
Flexible module design
- Modules are configurable for housing sizes according to DIN A, B, and C
- Easy integration into existing vehicle architectures
| Feature | Technical Data |
|---|---|
| Battery capacity (energy) | 51,6 kWh |
| Cell format / chemistry | cylindrical, LFP |
| Cooling technology | Immersion cooling |
| Dimensions battery pack (LxWxH) | 990 x 1495 x 870 mm |
| Weight | 800 kg + 2600 kg steel case |
| Lifetime in cycles | up to 5000 |
| Feature | Discharging | Charging |
|---|---|---|
| Battery voltage | 76.8 V | 460.8 V |
| Battery capacity | 672 Ah | 112 Ah |
| Battery current (continuous) | up to 3360 A (SC) | 336 A (3C) |
| Power (max, continuous) | up to 258 kW | 155 kW |
| DOD | up to 90%* |
*depends on customer application
Download the Kea Boost 50 official data sheet for more information.
Performance Facts
Immersion-Cooled Modules
Whitemark's immersion-cooled battery modules offer ideal conditions for fast charging. Thanks to immersion cooling, improved temperature distribution is made possible, which significantly increases the service life and safety of the cells. The modular design enables flexible system configurations and simplifies maintenance.
LV Power Supply
The integrated 24V power supply unit reliably supplies low-voltage devices directly from the battery system - ideal for control units, sensors and peripheral devices.
Battery Management
Whitemark's Battery Management Unit (BMU) enables variable and different discharge and charging voltages for optimum adaptation to different applications while ensuring a high charging voltage for fast charging via standard CCS charging stations. The BMU also fulfills functional safety requirements up to Performance Level C in accordance with EN ISO 13849.
Thermomanagement
The integrated thermal management system ensures precise temperature control and maximum efficiency. Thanks to the active cooling and heating function, it guarantees optimum operating conditions for cell performance and longevity in any climate. An external circuit can be used as an option.
Casing
The robust steel housing offers reliable protection under demanding conditions. It can be flexibly adapted to the customer's specific requirements.
Charging Infrastructure & Telemetry
Whitemark battery systems are CCS Type 2 compatible and ultra-fast charging capable. The integrated Telemetric Control Unit (TCU) allows operating conditions and entire vehicle fleets to be monitored and controlled remotely.
Want more infos about the battery module? ⭢ LiLi FF Block
Handtmann, EJOT, and Whitemark—a strong alliance for innovative technology!
With decades of experience in the production of components for the automotive and other industries, the family-run companies Handtmann Systemtechnik and EJOT have entered into a partnership with the innovative battery technology start-up Whitemark Technology GmbH. The aim of this collaboration is to develop a new generation of ultra-fast charging, immersion-cooled batteries for non-automotive applications.
Questions about
Kea Boost 50?
We are happy to advise you in detail in a personal consultation on whether Kea Boost 50 is suitable for your application and clarify any technical questions you may have!
