rechargeable cylinder 18650 lithium ion battery for led light

IEC62133/CB/KC 3.7v 2900mah 3000mah 3200mah 3300mah 3500mah rechargeable cylinder 18650 lithium ion battery for led light

1,Specifications for rechargeable cylinder 18650 lithium ion battery

1. General:

Battery with safety circuit and/or wires

Cell: 18650 2900-3500mAh 3.7V (IEC62133/CB/CE/ROHS/UN38.3/MSDS/KC)

PCM: S8261-G3J (DW01*8205 is available)

Configuration: 1S1P (selected)

Weight: approx.50g

2. Electrical Specification

Rated Capacity:3350mAh min,3500mAh typical

Nominal voltage: 3.7V

Watt-hour rating:12.95Wh

Charging Method: Constant current + constant voltage

Max. charge voltage [V]: 4.20 (+/- 50mV)

Max. continuous charge current:2000mA

Rec. Charge cut off: by current 35mA or timer 2.5h

Max. continuous discharge current: 4200mA

Rec. discharge cut off: 3.0V

Internal impedance: 180mΩ below

Exp. Cycle life: 500 cycles more than 80% of initial capacity (1C at 20 °C)

Cell protection

Overcharge detection: 4.35±0.025V

(0.5 to 1.5 sec. delay, resume 4.15 ± 0.05V or at discharging current)

Overdischarge detection: 2.70±0.05V

(0.1 to 0.2 sec. delay, resume 2.9±0.1V)

Overcurrent detection:2A to 3A (5 to 30m sec. delay at discharge)、

3. Ambient conditions:

Temperature range:

– Charge: 0 to +45 C

– Discharge: -20 to +60C

– Charge retention/storage [%]: 1 year at -20 to +25C

3 month at -20 to +45C

Humidity: 65+/- 20% RH

2,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.By 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.

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