Original
By certification 
6 to 7 Meters Elelectric Buses LiFePO4 Battery Solution
Introduction
We supply more than 700 units of 540V140Ah to DONGFENG SPECIAL VEHICLE since 2015.
Vehicle Type |
Electric Buses/Coaster |
Vehicle Length |
6 meters to 7 meters |
Driving Mileage |
＞200Km |
LiFePo4 Battery Solution |
540V140Ah LiFePO4 Battery |
Battery Energy |
75.6KWh |
Charge Time |
3-5 hours |
LiFePO4 Battery Parameter
Battery Type |
Nominal Voltage |
Nominal Capacity |
Battery Case Quantity |
BMS |
540V140Ah |
540V |
140Ah |
4 |
Active Balancing + GPRS + GPS |
OptimumNano Battery Management System (BMS)
| Item No. | Item | Setting | Remark |
| (Level One/Level Two) | |||
| 1. | Over charge protection | 3.65V/3.85V | Alarming/cut off |
| (each cell) | (Charging) | ||
| 2. | Max. total voltage | 638V | Cut off |
| (Charging) | |||
| 3. | Max. charge current | 180A | Alarming/cut off |
| 4. | Under discharge protection | 2.8V/2.5V | Cut off |
| (each cell) | |||
| 5. | Min. total voltage | 468V | |
| 6. | Max. discharge current | 115A | |
| 7. | Pulse discharge current | 170A | Last for 5 seconds |
| 8. | Low SOC alarming | 20% | Battery should be recharged |
| 9. | Over temperature protection | 70℃ | Cut off |
| 10. | Temperature difference | 5℃ | Alarming |
Why choose OptimumNano LiFePO4 Battery to power your electric vehicle?
OptimumNano LiFePO4 Battery has been designed to power the small cars, city buses, company commuter car, logistics cars, trucks with more than 14 years experience on LiFePO4 Battery R&D and marking.
OptimumNano built the OptimumNano Innovation Union(The Union) , to work with man famous electric vehicle manufacturer and launched a new type of pure electric buses mode of "Financing and Leasing, Mutual Benefit, Mobile Charging, Integrated Charging and Maintenance". The core components are consist of motor, electrical controller, DC/DC, air conditioner, connector, intelligent instrument, charger.
We are supplying the reliable LiFePO4 Battery Solution with related vehicle components, to supply best after-sale service with competitive price.
LiFePO4 Battery Features
LiFePO4 Battery power solution from OptimumNano, is designed specifically according to customers' requirements for safety, powerful and low cost.
Technology
1.Cells designed with gas pipe, safety vent, Break and Anti-explosion Protection. Also we produce the cells and do the cells matching according to8-Conformity
2.Battery packs designed and produced with structure firmly, antiknock, electrical conductivity, heat dispersion with patented PCB
3.Smart BMS with collection module, balancing module, insulation module and CAN communication
Shipping and Service
1.Shipment in short time by air or by sea
2.best quality with competitive price
3.30 months of pro-rated warranty and all battery life after-sale service
4.Any technical support and training to your employees.
Introducing advanced equipment, OptimumNano has been well-known as one of the professional manufacturers and suppliers of 6 to 7 meters elelectric buses lifepo4 battery solution. Our batteries are of high safety, high capacity, strong stability and long cycle life. With bulk batteries in stock, we warmly welcome you to buy or wholesale good price battery made in China from us.
