Ethium Technology
Chemistry
Latest Lithium Iron Phosphate [LiFePO4]
Energy Dense
- 300% more energy dense than lead acid
High Efficiency
- Lower system level battery resistance
- Less energy wasted as heat for equalization charging
- Cells at the perfect voltage multiplier (3.2 V)
High Safety
- Utilizes UL 1642 compliant cells that are extremely robust to thermal runaway
- Emits no flammable gases during charging and has no battery acid exposure
High Reliability
- Lasts up to 4,000 charge/discharge cycles with greater than 90% residual capacity
- Virtually no memory effect
- Resilient to deep discharge (90%)
Wide Range of Temperature Operation
- Storage temperatures from -40 to 85°C
- Operating temperatures from -20 to 60°C
Fast Charging
- Capable of 1.0 C (1 hour full charge) charge and discharge rate
Electronics and Software
BMS Electronics
- Solid state power electronics provide electronic fusing capability
- BMS has the ability to rapidly detect and disconnect during a system level short circuit in under 75 microseconds
Software
- Accurate SOC estimation and temperature rise awareness with in situ thermal model
- Complete cell control (voltage, temperature, battery health, and current flow)
- Advanced active cell balancing measures and controls cell voltages within cell banks and removes any extra energy from cells with a higher voltage
Active Voltage Control (AVC)
- Accelerates charging with continuous control of alternator voltage
Data Acquisition System (Optional)
- Integrated DAQ system for warranty and diagnostics
Construction
Cell Based (Sealed Cylindrical Cells)
- Modular for modifying voltage and capacity
- Extremely safe with built in burst disk and individual cell fusing
- Prevents failure propagation and thermal runaway
Sandwiched Honeycomb Structure Cell Packaging
- Energy dense, lightweight, and heat conducting with top mounted connections
- PCB sandwich design with ultrasonic wire-bonding technology
Sealed and Corrosion Resistant Enclosure
- Modules made from aluminum and engineered plastics to meet the IP67 standard
- Powder coated steel upper level assembly
Manufacturing
Fully Automated Assembly
- Automated production line for high production capacity
- Less human-to-part contact to minimize human errors
State of the Art Wire-Bonding
- Highly precise and repeatable connections, superior to traditional welding or hardwiring
- Easy to automate with single orientation assembly
In-house Electronics Manufacturing
- ISO 9001 certified facility with state of the art Surface Mount Technology (SMT)
- 30 years of vertically integrated design and manufacturing experience in electronic control devices for industrial applications
100% Automated Testing and Cell Balancing
- All cells are fully charged and tested
- Each pack is tested at the end-of-line to meet performance and safety requirements
Designed and Manufactured in the USA
Compatibility and Validation
Compatibility
- Completely compatible with existing equipment
- Drop-in-place solution (voltage, chargers, inverters)
- Designed to fit most current battery compartments
Testing
- Thermal, vibration, shock, electrical/EMC, UV, environmental, and water intrusion
- Validation Plan
Certifications
- Tested to meet UL 2580 and UN/DOT 38.3 certification requirements
- Utilizes UL 1642 certified cells
