FLEXIS UL
UL Certified High-Frequency Industrial Traction Battery Charger
FLEXIS UL is a programmable high-frequency modular traction battery charger certified according to UL standards for the North American market.
This industrial battery charger meets the demanding requirements of three-shift operation and is designed for industrial applications in the USA, Canada and other markets requiring UL Listed equipment.
FLEXIS UL combines intelligent charging management, efficiency up to 95 %, opportunity charging and full modular power scalability.
Applications
Suitable for charging traction batteries used in:
- forklift trucks
- material handling equipment
- logistics centers
- industrial warehouses
- manufacturing facilities
Supported battery types:
- lead-acid batteries with liquid electrolyte
- AGM and GEL batteries
- lithium batteries (special charging curves available)
One charger can be used for multiple batteries thanks to programmable charging curves.
Main Benefits
- UL 1564 and C22.2 certified
- Efficiency up to 95 %, PF ≈ 1
- 3~480 V ±15 % power supply
- Opportunity charging support
- Automatic battery voltage and capacity detection
- Modular design – scalable power
- Memory for up to 2000 charging cycles
- Active PFC and soft start
- Galvanic isolation between input and output
Key Technical Parameters
- Output voltage
24 / 36 / 48 / 80 V
- Output current
up to 300 A depending on model
- Input voltage
3~480 V ±15 %, 50/60 Hz
- Efficiency
up to 95 %
- Isolation voltage input–output
4,2 kV DC
- Output voltage tolerance
±1 %
- Output current tolerance
±1 %
- Protection rating
IP20 / IP00
- Operating temperature
−10 °C to +40 °C
- EMC compliance
FCC Part 15 Class A, ICES-003 Class A
Intelligent Charging
FLEXIS UL optimizes charging technology, extends battery lifetime and reduces operating costs.
Features include:
- Opportunity charging
- Time-based charging schedule
- Automatic battery recognition
- Estimated time to end of charging cycle
- Special charging curves for lithium batteries
- Custom charging curve creation
- Regenerative charging (desulfation, equalization)
Accessories
- EUW electrolyte circulation (reduces charging time)
- Automatic water refilling system
- Battery identification module (AXIM)
- Temperature sensor
- External signaling (3 relay contacts)
- Remote control (2 digital inputs)
AXISET – Configuration Software
- configuration software for setting charging parameters
- designed for FLEXIS and FORTIS charger series
- easy configuration of charging parameters
- charger function settings
- selection and modification of charging curves
- possibility to create an individual charging curve
- activation and configuration of opportunity charging
- charging time schedule configuration
- automatic battery recognition (ARB)
- analysis and display of charging cycle archive
- basis for optimization of operating costs
Optional accessories and extensions
Each industrial charger can be tailored to specific operational requirements.
A wide range of accessories extends charger functionality, enhances safety, and enables integration into higher-level control systems.
Available options include:
- temperature sensors for charging compensation
- battery identification modules
- external light signaling
- CAN communication modules
- opportunity charging extensions
- remote control and monitoring
Looking for the right configuration for your operation?
Leave us your contact and our team will provide you with precisely designed industrial charging technologies.