high quality LiFePO4 IFR26650-32A 3.2V 3300mAh battery

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high quality LiFePO4 IFR26650-32A 3.2V 3300mAh battery

1,Specifications for types of battery.

Model name QS20180024
2 Minimum capacity 3300mAh 
3 Nominal voltage  3.2V
4 Standard charge 0.5C/1650mA
5 Max charge voltage 3.6 ± 0.05V
6 Charging time 3 hours
7 Max continuous discharge 3C/9900mA
8 Discharging end voltage 2.0V
9 Weight ~88g
10 Operating temperature Charge: 0~50 degrees Celsius
Discharge: -20~60 degrees CelsuisPack Design Guideline (For electrical design)

Pack Design Guideline (For electrical design)

Item 1 2 3 Protection Remark
Cell Over voltage 4.150V 4.175V 4.200V 4.200V Warniny & Protection
Cell Under Voltage 3.40V 3.00V 2.50V 29E 33G 2.50V 22P 26P 2.80V Warniny & Protection
Warring SOC % SOC 40% SOC 30% SOC 20% SOC 0% Power Control
Charging Over Temperature 45 *C 50 *C 55 *C 551C Warning & Protection
Charging Under Temperature lire 5*C trc trc Power Control
Discharging Over Temperature 5trc 55 *C 60 *C 651C Power Control
Discharging Under Temperature o*c itrc -20 X: 30TC Power Control
Charging Over Current 0.6C 0.8C 1.0C 1.0C Protection
Discharging Over Current 4.0C 5.0C 6.0C 6.0C Protection
Charging Imbalance Voltage 150mV 300mV 500II1V 500mV Warning & Protection
Discharging Imbalance Voltage 300mV 500mV 1000mV 1000mV Warning & Protection
Charging Imbalance    Temp 5*C 10*C 15*C 151C Warning & Protection
Discharging Imbalance Temp 10*C 15*C 20*C 20 *C Warning & Protection
Communication Error YES YES Protection
Thermal Runaway YES YES Protection

Pack Design Guideline (For mechanical design)

Item Portable IT Power-Tool Medical E-Bike E-Scooter EV/LEV ESS/UPS
Need partitions(separator) between BMS and a Cell YES YES YES YES YES YES YES
Need to check if the pack is designed to be able to avoid thermal runaway(1KWh↑) YES YES YES
Need to analyze the battery pack’s thermal distribution and its effect on the pack’s life cycle YES YES YES
Need to use a non-flammable(VO level) case YES YES YES YES YES YES YES
Need to apply improved material(Steel) to the case YES YES
Need to analyze the battery pack’s structure, system, installation status and use environment YES YES

DNP PQM

3,PACKING AND SHIPPING

  1. by UPS/DHL/FEDEX( It takes 3-5 days to arrive after all details confirmed)
  2.  by air cargo( It takes about one week to arrive after all details confirmed)
  3. B y sea shipment ( It takes about one month to arrive after received the deposit and confirmed all details )
  4. Port:FOB Hongkong or CIF terms.
  5. Shipment date within 30 days after confirmed all information and received the deposit.
  6. payment terms:TT /LC

4,Lithium Battery Advantages:

1.Long life cycle, large capacity and good shock resistance
2.Low self-discharge and good discharge performance at low temperature
3.Strong charging acceptance and quick-charging capability
4.Strong over-discharge resistance and charge retention
5.Maintenance-free and no acid or water for maintenance in usage
6.Excellent large current discharge performance, and have obvious advantages in startup and climbing
7. High temperature performance
8. Environmental friendly
9. Lighter weight smaller size
10.Most safe no explosion no fire

5,Xianghe Qiangsheng Electric Tricycle Factory

Xianghe Qiangsheng Electric Tricycle Factory

Qiangsheng is one of the largest supplier manufacturing Electrical & battery rickshaw in China.

We are a highly advanced enterprise specializing in research and development of spare parts of e-rickshaw.

Presently, we are manufacturing e-rickshaw passenger type and e-rickshaw loading type, electric bicycle and all kinds of batteries.

We can manufacture e-rickshaw as per the special requirements of our clients.

Established in 2005, our factory is specialized in the manufacture of electric tricycles.

Located in Xianghe, Langfang, we enjoy convenient access to major transportation networks.

Our factory covers an area of 42,000 square meters and has around 500 staff members.

Furthermore, all our products are manufactured with advanced equipment and strict QC procedures in order to ensure high quality.

With stable and timely supply, credible quality and sincere service, our products sell well in both domestic and overseas markets

6,FAQ for our battery companies ?

1,Q: What’s the main product in QS?

A: Rechargeable battery. Li-ion, Lipo battery and power battery pack.

2,Q: What is overcharge?

A: After charge, tested the batteries’ initial state and capacity. Charge to 10.0V at 3C current, then charge to 0.01C at CV mode. Observe changes in battery appearance.

3,Q: What is over discharge?

A: After charge, test the batteries’ initial state. When the batteries are normal, discharge to 0V at 0.5C. Observe changes in battery appearance

4,Q: Can I have a sample order?

A: Yes, we accept sample order to test and check quality. Batteries can be made as require.

5,Q: Do you have MOQ limit?

A: Yes, we have MOQ limit for mass production, but it depends on battery model. Please contact us for details.

6,Q: How about the lead time?

A: Samples will takes 5-7 business days. Mass production will takes 15-25 days. It depends on quantity.

7,Q: How about shipping and delivery time?

A: Generally, battery will be shipped via Express, such as DHL, TNT, FedEx and UPS, delivery time is 3-5 business days. Or DDP service, delivery time is 11-15 business days. Airline and sea shipping also available.

8,Q: What about after-sale service?

A: We will offer you 1 year guarantee. If there are any problems, please inform us, we will offer you positive solutions.

6,Manufacture battery process mass production video

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