Wholesale 37Wh 4S1P Li-ion 2500mAh 14.8V 18650 Rechargeable Lithium Battery for LED Lights from China Manufacturers and Suppliers

Product Description

37Wh 4S1P Li-ion 2500mAh 14.8V 18650 Rechargeable Lithium Battery for LED Lights

1.Introduction of 37Wh 4S1P Li-ion 2500mAh 14.8V 18650 Rechargeable Lithium Battery for LED Lights
37Wh 4S1P Li-ion 2500mAh 14.8V 18650 Rechargeable Lithium Battery for LED Lights is special customized according to the customers project demands.

2.Product Parameter (Specification) of 37Wh 4S1P Li-ion 2500mAh 14.8V 18650 Rechargeable Lithium Battery for LED Lights

37Wh 4S1P Li-ion 2500mAh 14.8V 18650 Rechargeable Lithium Battery for LED Lights
No.	Items	Specification
1	Nominal Voltage	14.8V
2	Nominal Capacity	2500mAh	37Wh
3	Cell Model	18650-2500
4	Cell Configuration	4S1P
5	Standard Discharge Current	500mA	0.2C
6	Maximum Continuous Current Draw *	2500mA	1.0C
7	Maximum Burst Current Draw *	5A for 0.15mS	2.0C
8	Standard Charge Current	500mA	0.2C
9	Maximum Charge Current	1250mA	0.5C
10	Minimum Safe Voltage	11.0V	2.75V/Cell
11	Fully charge voltage(FC)/Charge cut-off voltage	16.8V	4.20V/Cell
12	Cycle Life	≥500 times(expect about 800+ times)
13	Charging method	Constant Current,Constant Voltage
14	Discharge Connector	Optional
15	Charge Connector	Optional
16	Working Temperature	Charging: 0 to + 45℃/Discharging:-20 to + 60℃
17	Physical (Maximum Size):
18	Length	19.0mm
19	Width	76.0mm
20	Height	72.0mm
21	Weight	190.0g

3.Optional Cells Model of 37Wh 4S1P Li-ion 2500mAh 14.8V 18650 Rechargeable Lithium Battery for LED Lights

Model	Nominal Voltage (V)	Nominal Capacity (mAh)	Working Temperature (℃)	Maximum Charge Voltage (V)	Discharge Cut-off Voltage (V)	Battery Weight (Approx.)	Measurement (Φ*H)
ES-14500	3.7V	800mAh	-20℃~+60℃	4.2V	2.75V	18.0g	14x50mm
ES-14650	3.7V	1100mAh	-20℃~+60℃	4.2V	2.75V	25.0g	14x65mm
ES-18350	3.7V	900mAh	-20℃~+60℃	4.2V	2.75V	19.0g	18x35mm
ES-18500	3.7V	1500mAh	-20℃~+60℃	4.2V	2.75V	33.0g	18x50mm
ES-18650	3.7V	2000mAh	-40℃~+85℃	4.2V	2.75V	42.0g	18x65mm
ES-18650	3.7V	2200mAh	-20℃~+60℃	4.2V	2.75V	43.0g	18x65mm
ES-18650	3.7V	2500mAh	-20℃~+60℃	4.2V	2.75V	44.5g	18x65mm
ES-18650	3.7V	2600mAh	-20℃~+60℃	4.2V	2.75V	45.8g	18x65mm
ES-18650	3.7V	3000mAh	-20℃~+60℃	4.2V	2.75V	48.0g	18x65mm
ES-21700	3.7V	4200mAh	-20℃~+60℃	4.2V	2.75V	67.0g	21x70mm
ES-26650	3.7V	5000mAh	-20℃~+60℃	4.2V	2.75V	85.0g	26x65mm
ES-32650	3.7V	6500mAh	-20℃~+60℃	4.2V	2.75V	132.0g	32x65mm

4.OEM Development Process of 37Wh 4S1P Li-ion 2500mAh 14.8V 18650 Rechargeable Lithium Battery for LED Lights

5. Feature And Application of 37Wh 4S1P Li-ion 2500mAh 14.8V 18650 Rechargeable Lithium Battery for LED Lights
√ High energy with high voltage
√ Green energy and pollution-free
√ Customize dimension according to your needs
√ Friendly environmentally
√ Wide operating temperature: -20℃ to +60℃,or -40℃~+85℃
√ Safety and reliable
√ Long cycle lіfe: 80% DOD after 500 times
√ Expected cycle life of a Li-ion in application is about 1,000+ times
√ No memory efficiency,discharge or charge at any time

Application of 37Wh 4S1P Li-ion 2500mAh 14.8V 18650 Rechargeable Lithium Battery for LED Lights:
POS Machine,Underwater ROV,E-scooter,Headlight,Smart Wearable Devices,GPS Tracker,Electric Toys,Beauty Instruments,Aromatherapy Machines,LED lights,Quadcopters, Drones ,etc.

6.Production Process of 37Wh 4S1P Li-ion 2500mAh 14.8V 18650 Rechargeable Lithium Battery for LED Lights

7.Qualification of 37Wh 4S1P Li-ion 2500mAh 14.8V 18650 Rechargeable Lithium Battery for LED Lights
We have the above certification to help customer to win global market:
North America Certificate: UL
Europe Certificate: CE/ROHS/REACH
Asia & Australia Certificate: PSE/KC/CQC/BIS
Global Certificate: CB/IEC62133/UN38.3/MSDS
If you have any questions,please freely email us for helps.

8.Deliver,Shipping And Serving of 37Wh 4S1P Li-ion 2500mAh 14.8V 18650 Rechargeable Lithium Battery for LED Lights
Production Time:
- Bulk Order: about 25-30 business days after confirmed the order is confirmed
- For an urgent order, we can do it more faster, please send email to negotiate

Sample Time:
- Sample: about 10 to 15 business days after the order is confirmed
Please send email for samples,we will ship the samples to you Asap!

Delivery Method:
- By Sea to Sea Port
- By Air to Airport
- Via International Express(UPS,DHL,FedEx,TNT) to door

9.FAQ

Q1 :What is your Warranty of the battery ?

A1: Usually 1 Year after production date,also can be 2 Year or more,to be discussed.

Q2: What Certificates do you have for the battery ?

A2: We have UL,CB,IEC 62133,BIS,UN38.3,CE,RoHS,KC,PSE certifications etc.

Q3:How can you ensure the battery with high quality standard?

A3:QC technicians implementing the total quality control in every process, including IQC,IPQC,OQC and FQC etc,and we have 133 Test Equipment to ensure the quality.

Q4:What is yourL/T for the battery?

A4:usually it takes 10 to 15 business days for samples,and 25-30 business days for the mass production.

Q5: Are you able to ship the battery to our country ?

A5: Yes, for air & sea shipment,we have MSDS doc to show Airline company and Ocean company to arrange the shipment.If in need,we also can help to apply the Certification of Air Transport and Certification of Sea Transport per your requested.

Q6:What is your shipping method for the battery?

A6: We suggest sample & small order to be shipped to destination through our cooperative shipper partners who have excellent UPS/DHL/FedEx service.For the mass production,we’d suggest to ship via Air to your Airport or ship by Sea to your Sea Port.

Q7: What percent of capacity battery charged when shipment?

Q7: Normally 50% or so, because it will be safe for shipping.

Q8: How long can I store the battery ?

A8: We suggest to discharge & recharge the battery every 3 months,or not later than half year, it can keep battery full capacity & good function.

Q9 : How can I pay for my order?

A9: You can pay us by Paypal, T/T, L/C at sight.

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