512V 150Ah LiFePO4 battery system for electric tractor
| No | Items | Technical requirement | Note |
| 1 | Battery type | Lifepo4 | |
| 2 | Capacity(kWh) | 76.8kWh |
|
| 3 | Weight(kg) | 165kg*4 |
|
| 4 | Rated voltage(DC V) | 512 | |
| 5 | Voltage range(DC V) | 400-584 |
|
| 6 | Continuous discharge current(A) | 150A | @EOL,@25℃, with liquid cooling |
| 7 | Peak discharge current(A) | 300A | @EOL,@25℃, with liquid cooling, 10 sec |
| 8 | Continuous charging current(A) | <150A | @EOL,@25℃, with liquid cooling |
| 9 | Peak charging current(A) | <300A | @EOL,@25℃, with liquid cooling, 10 sec |
| 10 | Charging requirements | CC-CV |
|
| 11 | Charge discharge energy efficiency | ≥98% | @EOL,@1C charge and discharge |
| 12 | Warranty | 3 years | @1C charge and discharge @100%DOD |
| 13 | Cooling / Heating mode | Liquid cooling, heating |
|
| 14 | IP grade | IP67 |
|
| 15 | Working environment temperature (℃) | -20~45 | @Heating and cooling |
| 16 | System self discharge rate | ≤5% | @25℃,30days |
| 17 | Insulation resistance | ≥50MΩ |
|
| 18 | Size | consists of 4 modules 1300*400*200mm | |
Dimension of each single module

Dimension of the system with rack

Advantages of using Lithium battery for electric tractor
Greater Capacity: With a 150Ah capacity, the system can store a significant amount of energy, allowing the electric tractor to run longer distances or work for extended periods without needing to recharge.
High Voltage (512V): A higher voltage means more efficient power transmission and less energy loss, allowing the electric tractor to achieve better performance compared to lower voltage systems.
High Voltage Advantage: The 512V system allows for faster charging compared to lower-voltage battery systems. It reduces downtime, which is critical for maximizing the working hours of a tractor, especially in agricultural settings.
LiFePO4 Chemistry: Lithium Iron Phosphate (LiFePO4) batteries are known for their long cycle life (typically 2000-5000 charge cycles). This translates to a longer overall lifespan, reducing the need for frequent replacements.
Stable Chemistry: LiFePO4 batteries are highly stable, providing enhanced safety and durability. They are less prone to thermal runaway or fire risks compared to other lithium-ion chemistries.
Higher Efficiency: The system can operate efficiently with fewer losses in energy conversion, thanks to the high voltage and stable discharge rates. This results in better fuel-to-energy performance and reduces operating costs.
Consistent Power Output: LiFePO4 batteries provide stable and consistent power throughout their discharge cycle, ensuring the tractor's performance remains strong without significant voltage drops under load.
Sustainable Power: Electric tractors powered by LiFePO4 batteries significantly reduce greenhouse gas emissions and pollution compared to their diesel or gasoline counterparts. This makes them more environmentally friendly and in line with sustainable farming practices.
Recyclable Materials: LiFePO4 batteries are made from non-toxic materials that are more easily recyclable compared to other battery chemistries like lead-acid or cobalt-based lithium-ion.
Reduced Maintenance Costs: LiFePO4 batteries have fewer moving parts and no need for regular maintenance like fuel engines. There is no need for oil changes, air filters, or exhaust systems, reducing the overall maintenance costs for the tractor.
Safe Chemistry: LiFePO4 batteries are among the safest lithium-ion chemistries. They have a stable structure that is less prone to overheating, catching fire, or exploding under normal operating conditions compared to other types of lithium-ion batteries.
Built-in Protection: These systems often come with integrated Battery Management Systems (BMS) that monitor the health and status of the battery, ensuring it operates within safe limits for temperature, voltage, and current.
Reduced Fuel Costs: Electric tractors eliminate the need for diesel or gasoline, leading to significant fuel savings over time.
Energy Cost Efficiency: Charging an electric tractor is typically much cheaper than fueling a diesel-powered one, making it an attractive option for long-term operational savings.
Noise Reduction: Electric tractors powered by LiFePO4 batteries are significantly quieter than their internal combustion engine counterparts. This reduces noise pollution on farms and makes for a more pleasant working environment.
Smooth Operation: The electric motor provides smoother power delivery with less vibration, enhancing both the operator's comfort and the tractor's longevity.