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3.7V 18650 Li ion 2600mAh Rechargeable Lithium Battery Pack For Led Lights

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Address: MinXin commerce building, BaiHua Dong,GuangMing Street,ShenZhen,China

Contact name:Alex

Unitech Energy System Limited

3.7V 18650 Li ion 2600mAh Rechargeable Lithium Battery Pack For Led Lights

Country/Region china
City & Province shenzhen guangdong
Categories Fuse Components

Product Details


3.7V 18650 Li ion 2600mAh Rechargeable Lithium Battery Pack For Led Lights


Battery specification:


1Nominal Capacity2600mAh0.2C Standard discharge
3Nominal Voltage3.7V 
4Discharge end voltage3.0V 
5Charge Voltage4.25V±0.03VBy standard charge method
6Standard charging method0.2C constant current,4.25V constant voltage charge to 3.0V,continue charging till current decline to≤0.01C 
7Charge current0.2C520mAStandard charge
0.5C1300mARapid Charge
8Standard discharging 0.2C constant current discharge to 3.0V 
9Cell Internal Impedance≤50mΩInternal resistance measured at AC 1KHZafter 50% charge
10Maximum charge current1C2600mAcontinuous charge 
11Maximum discharge current1C2600mA 
12Operation Temperature and relative humidity RangeDischarge-20~60℃ 60±25%R.H.Charge at a very low temperature such as blew 0℃,will be get a lower capacity and reduce cycle life of the battery
Charge0~45℃ 60±25%R.H.
13Storage temperature for a long time‘-10~45℃
Do not storage exceed half year. Must charge once when storage for half year. must charge the battery with protect circuit when storage for three months.




1.High Capacity and Stable Discharge Voltage

2.Light weight, small size and high performance

3.Small internal resistance

4.Outstanding Discharge properties and Storage Capacity

5.Pollution free, long cycle life

6.No memory effect

7.Existing stock for short delivery time.

8.Low price, high quality

9.OEM orders are available


Our Services:


1. 12 Months Warranty: We will provide 12 months warranty after shipment.

2.Strict Quality Control:All parts must be strictly tested by QC department before shipping.

3. OEM order Welcome: We can accept OEM order anytime.

4.Small Quantity Acceptable: Please don’t worry your requirement quantity is small, because we also accept samplesbefore bulk orders.

5.Return Policy:For defective goods,please send us the pictures to confirm then we will give you the replacement during warranty period.

6. Good Aftersale Service:Any questions on technical issues,welcome to contact us anytime.We will help you solve at first time.




Our batteries have CE, ROHS,UN38.3,IEC62133,CB certifications.




The lithium ion batteries can be widely used in:


Medical equipments, Solar street light, communication equipment, vehicle terminal, GPS loudspeaker box, mobile lighting products, stage lights, LCR gravimeter, grass cutter, back-up source,ultrasound equipment, engineering detectors,...





1. Q: Do you have current sample in stock?

A: Usually we don’t have, because different customers have different requests, even the voltage and capacity are the same, other parameters maybe different. But we could finish your sample quickly once order confirmed.


2. Q: What’s the delivery time for mass production?

A: Usually 25-32days, it depends on the quantity, material, battery cell model and so on, we suggest to check delivery time case by case.


3. Q: What kind of certificates could you provide for the battery?

A: It’s custom-making design, no current certificate, but we could apply CE, UL, UN38.3 and other related certificates for you, but the certificates fee needs to be paid by you, if your quantity is big enough, certificates fee could be refunded.


4. Q: How do you ship the goods and how long does it take to arrive?
We usually ship by DHL, UPS, FedEx or TNT. It usually takes 3-5 days to arrive. Airline and sea shipping also optional.


5. Q: Are you manufacturer or simply trading company?

A: We are manufacturer, and we sincerely welcome you to visit our factory!




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