HVPACK is an electric commercial vehicle (bus) battery system manufacturer with 18 years of experience in battery cell research and development and 15 years of BMS (battery management system) development experience.
Our typical 614V LFP battery system presentation
Our pack's advantages:
1. Ultra-long life time.
2. Cutting-edge technologies chemistry.
3. Robust system design proven by ten years operations.
4. MSD with fuse is equipped.
5. Patented laser-welding core modules design.
6. Liquid cooling cycle design.
7. Low resistance design.
614V LFP Data Sheet
No. | Item | Parameters |
1 | Strings Number | 1 | 2 | 3 |
2 | Standard module number | 4 | 8 | 12 |
3 | Rated voltage | 614.4V | 614.4V | 614.4V |
4 | Rated capacity (@25℃，±5%） | 230Ah | 460Ah | 690Ah |
5 | Rated energy | 141Kwh | 282Kwh | 423Kwh |
6 | Voltage range | 537.6～691.2 | 537.6～691.2 | 537.6～691.2 |
7 | Weight | 225Kg*4≈900Kg | 225Kg*8≈1800Kg | 225Kg*12≈2700Kg |
8 | Standard module dimension | 1060*630*240 (mm)*4 | 1060*630*240 (mm)*8 | 1060*630*240 (mm)*12 |
9 | Storage temp & humidity | -10~35℃，45~75%RH | -10~35℃，45~75%RH | -10~35℃，45~75%RH |
10 | Cooling type | Liquid cooling | Liquid cooling | Liquid cooling |
11 | Constant charging current | 200A (with liquid cooling system) | 400A (with liquid cooling system) | 600A (with liquid cooling system) |
12 | Peak charging current | 400A/10s | 600A/10s | 900A/10s |
13 | Charge method （optional） | CCS2 | CCS2 | CCS2 |
14 | Constant discharge current | 200A (with liquid cooling system) | 400A (with liquid cooling system) | 600A (with liquid cooling system) |
15 | Peak discharging current | 400A/10s | 600A/10s | 900A/10s |
Structure of our commercial electric bus battery pack
Our engineering team has over 10 years of experience in battery system design, working on numerous renowned projects in London and Amsterdam, spanning various global locations. The team excels in mechanical design, thermal management, simulation, electric design, and software design.
BMS (battery management system)
Our BMS 5.0 version has an ISO 26262 certificate.
Module and HV Box images
Battery system on vehicles
SOC Calculation & Faults diagnosis
SOC Calculation:
◆ Real time dynamic calibration
◆ Vehicle operation condition was considered
◆ Multi-method combination
◆ High accuracy measurement of the cell voltage/temperature/pack current
◆ Amount of data from the experiment
Faults Diagnosis:
◆ Insulation & water leakage
◆ Cell voltage out of range
◆ High/low temperature
◆ Communication faults
◆ Contactor weld
◆ Power connection
◆ Temperature sensor faults
HV Box----1 String（614V230Ah system）
HV Box----2 Strings（614V460Ah system）
HV Box----3 Strings（614V690Ah system）
Applications
Typical Projects
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