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4v 2000mah lithium battery pack / Cylindrical 18650 Lithium Battery Rechargebale

4v 2000mah lithium battery pack / Cylindrical 18650 Lithium Battery Rechargebale

4v 2000mah lithium battery pack / Cylindrical 18650 Lithium Battery Rechargebale

Product Details:

Place of Origin: China(Shenzhen)
Brand Name: DELONG
Certification: CE/ROHS/etc
Model Number: DEL-1S2P2000

Payment & Shipping Terms:

Minimum Order Quantity: 100 units
Packaging Details: Standard Export Package
Payment Terms: T/T, Western Union, Paypal
Supply Ability: 10000 units per day
Detailed Product Description
Model: DEL-1S2P2000 Nominal Voltage: 7.4V
Nominal Capacity: 2000mAh Size: Custom
Weight: About 100g Battery Type: 18650 Lithium-ion Cell
Connector: Customize Switch/indicator: Available


4v 2000mah lithium battery pack / Cylindrical 18650 Lithium Battery Rechargebale




model DEL-1S2P2000
Type Li-ion battery pack with red/black wire
Battery Cells A Grade quality 18650 battery
Nominal voltage 7.4v 2S1P
Capacity 4AH/customized
Input 7.4v
Out-put 6-8.4V
Max continuous charge/discharge current adjustable
Charger Included charger:US plug/EU plug/UK plug
Connectors Custom
Protection 2S PCM,over-charge/discharge protection, over-heat protection
Recharge cycle More than 500 times
LED  Indicator Available 
ON/OFF Switch Available 
Key word 7.4v battery
Standard Charge Time Around 1hour
Dimension  as your requirement
Operating temperature -20 °C to 60 °C 
Charge temperature -0 °C to 45 °C
Storage temperature -20 °C to 45 °C
Operating humidity 5% to 90%,non-condensing
Applications Led light, spot light, flashlight, portable DVD, Speaker, power bank, clock, Medical device, industory equipment,traffic indicator light, cameras, DV, toys, GPS, Cameras, interphone, alarm system, Pos machine,communicate equipement, IC terminal, eletric lock, wireless dishes ordering set, etc.






1.long discharge platform

2.Low inner resistance

3.Long cycle life

4.low self-discharge

5.CE/RoHs/UL/SGS/MSDS certificate

6. Low price

7. Fast lead time






Application: LED flashlight battery, cordless phone batteries, camera batteries, laptop/notebook batteries, GPS devices, PDA batteries, telecommunication systems, power electric vehicles etc.


We could provide the lithium battery with the capacity of 1800mAh to 2600mAh. Such as 1800mAh, 2000mAh, 2200mAh, 2400mAh, 2600mAh etc.

Besides, we could assemble the batteries packs according to the customer’s requirements. Such as 2S1P, 3S2P

Packaging & Shipping:

(1) Samples checking: sending by Express ( DHL / UPS / FEDEX/ TNT ,by air)

(2) Bulk production: sending out by cargo shipping / air/freight / Express

(DHL/UPS/FedEx/TNT),or we can accept other shipping terms according to

your requirements.

(3) We are not responsible for any accidents, delays or other issues that are

caused by the shipping.

Our Services:

1.Professional lithium-ion battery manufacturer for 8 years experience,have own factory.
2.Strong R&d team to support.
3.BMS solution come from NSK and Recoh.
4.Offer OEM service for customer, small order also accepted.
5.Quick action & respond.
6.Competitive price and Best service before/during/after sales.






1.   Q:  Can i get some samples for test?

      A  : Of course, the sample is available for test.


2.  Q:  Can i produce the battery pack whatever i asked for ?

     A: Yes, we can customize the battery pack according to your requirement.


3.  Q: The capacity of battery pack is real,right?

     A: Yes, all of our products are used by the A grade 18650 cell which has the real capacity, if need, we

          can also use the samsung 18650 cells to customize the battery pack.

4.  Q: Can we use the lithium polymer cell to customize the battery pack?

     A: Of course yes. Tell me your special requirement, such as the dimension, continue current, weight,      

          charging time, and so on, we will design the battery which can be best suitable for your project. 







Contact Details
Shenzhen Delong Energy Technology Co.,LTD

Contact Person: Jessie

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