| battery pack | No. | Item | General Parameter | Remark | |
| 1 | Combination method | 4S1P | 12.8V 3500MAH battery for car jump starter | ||
| 2 | Combination standard | Capacity difference≤1% | |||
| Resistance difference≤0.8mΩ | |||||
| Voltagedifference≤10mV | |||||
| 3 | Rated Capacity | Typical | 3.5Ah | Standard discharge after Standard charge(package) | |
| Minimum | 3.4Ah | ||||
| 4 | Nominal Voltage | 12.8V | Mean Operation Voltage | ||
| 5 | Voltage at end of | 10V | Discharge Cut-off Voltage | ||
| Discharge | |||||
| 6 | Charging Voltage | 14.6V | |||
| 7 | Internal Impedance | ≤10mΩ | Internal resistance measured at AC 1KHZafter 50% charge | ||
| The measure must uses the new batteries that within one week after shipment and cycles less than 5 times | |||||
| 8 | Standard charge | Constant Current0.5CA Constant Voltage 14.6V | Charge time : Approx6 h | ||
| 0.01CA cut-off | |||||
| 9 | Standard discharge | Constant current:0.2CA | |||
| end voltage 10V | |||||
| 10 | Maximum Continuous Charge Current | 40CA | |||
Lifepo4 battery for car jump starter Features :
- The large current continuous discharge is stable, the discharge performance at 40C rate is more than 95%, and the instant discharge reaches ≥60C;
- Excellent high and low temperature performance, storage at 60 ° C for 7 days, 40C capacity remains ≥50%, 85 ° C storage at 8h, no inflation, -10 ºC environment can start normally
- High energy density, long cycle life, light weight, small size and easy to carry.
Main Application :
Car emergency start,
mobile phone , tablet charging
Our Lifepo4 battery factory advantages :
1.OEM mass production, mature manufacturing process;
2. Direct factory supply, quality assurance, perfect after-sales service;
3.The battery assembly method can be customized according to customer requirements, and any size can be customized. Such as voltage, capacity, packaging color, matching plug type, lead length, etc .
4. Can provide integrated power solutions according to customer requirements.
Pls check some other Lifepo4 battery catalogs.
Lifepo4 battery 12.8V 6600mAh / 9600mAh /14000mAh /12000mAh
Product pictures :
Deyee Tech Ltd. is a Professional New Energy Supplier focusing on the manufacture and research lithium ion battery product worldwide.
It was established in 2004 and playing the leading role of the new energy field .
Equipped with world-class-scale R&D and testing equipment to ensure the development of new batteries. Higher energy density, higher security and longer recycle life power battery products have been supplied to domestic and foreign well-known enterprises.
Battery factory pictures :
FAQ:
1.Q:Can you accept OEM and ODM Service?
A:Yes, we supply OEM&ODM service as clients requirement.
2.Q:Can we get samples for test?
A:Yes, we offer sample, but free samples are not available at beginning.
3.Q:What's your payment term?
A:TT, L/C, West Union, Paypal etc.
4.Q:What's your warranty for products?
A:Generally speaking, it's one year's warranty, for quality problems, we will send you a new one.
5.Q:How long will be the delivery?
A:Usually delivery in 7-15 days, but could be change according to the quantity or other things.
6.Q:How do you control your product quality.
A:All batteries have 10 steps testing during the whole production.
Why choose us
- OEM rechargeable battery manufacturer in China over 15 years
- Specialized in Lithium polymer battery, LiFePO4 battery and Li-ion Battery pack
- Our batteries got UL, KC, BIS,IEC62133, CE, ROHS certifications
Contact Us
Jessica Lin
Deyee Tech Ltd