OEM 18650 2P Batteries 4400mAh 3.7V Cylindrical Li-Ion Battery 2p Li-Ion 18650 Lithium Battery Pack

Brand Name:OEM
Certification:Meet UL
Model Number:18650 2p battery pack
Minimum Order Quantity:5pcs
Delivery Time:7-10 days
Payment Terms:T/T, L/C
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Location: Shenzhen China
Address: building A, No.6 huanping Road, Gaoqiao community, Pingdi street, Longgang District, Shenzhen 518117
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Product Details

OEM 18650 2P Batteries 4400mAh 3.7V Cylindrical Li-ion Battery 2p Li-ion 18650 Lithium Battery Pack


Product description

  • Cylindrical lithium-ion rechargeable battery

  • Size: 18650

  • Nominal voltage: 3.7V

  • Nominal capacity: 4400mAh

  • Max. charge current: 1C

  • Max. continuous discharge current: 1C

  • Brand: LG/Panasonic/SDI etc depends on your needed

  • Temperature:

    • Charge: 0 to 45°C

    • Discharge: -20 to 60

    • Storage: -20 to 35°C

  • Tags, plugs, connectors, and PCM are available

  • Dimensions: 65 x 18mm

  • High capacity and long work time

  • Service lifespan: 500 to 1,000 cycles

  • Eco-friendly, no mercury, cad and lead

  • Customized configurations are accepted

  • OEM and ODM orders are welcome

  • Suitable for telecommunications, audio/video devices, miner lamps, laptop, flashlight and more

  • Charge: 0 to 45°C

  • Discharge: -20 to 60

  • Storage: -20 to 35°C

    ModelCapacityMin. capacityContinuous dischargeInternal resistanceCertificate
    18650F5622002180mAh1C≤ 60mΩULCBBISUNBSMI
    18650F8R26002550mAh1C(2550mA)≤ 60mΩULCBBISUNBSMI
    18650F9L33503250mAh0.5C (1625mA)(-20~5℃)
    1.5C (4875mA)(5~50℃)
    ≤ 60mΩULCBBISUNBSMI
    18650F3030002900mAh1C≤ 60mΩULCBBISUNBSMI
    18650F30P30002900mAh20A
    30A
    ≤ 18mΩULCBBISUNBSMI
    21700F2E50004900mAh3.0C(14400mA)
    ≤ 25mΩULCBBISUNBSMI
    18650F8L26002500mAh3C≤ 25mΩ(≥ 4.15V)ULCBBISUNBSMI
    18650F8M726002500mAh3C≤ 30mΩULCBBISUNBSMI
    18650F8P25002500mAh20A
    30A
    ≤ 18mΩULCBBISUNBSMI
    18650F9E35003450mAh10000mA≤ 40mΩULCBBISUNBSMI
    18650F9M32003100mAh3.0C(9300mA)≤ 40mΩULCBBISUNBSMI

Function of Lithium Battery

Bluetooth Function

Lithium Battery technology offers high-powered cell performance compatible with lots of lithium-ion application to deliver more power and extend long life. Also built with bluetooth function allow you to read battery status freely anytime.


Self-heated Function

To relieve winter range anxiety in some freezing environment, the BMS can bring with self heating function. Resistance heating rapidly warms the inside of battery. Start heating temperature:≤0°C. Stop heating temperature:≥10°C. Can improve battery charge / discharge performance.


Hot sale model 18650 / 26650

Cell modelVoltage/VCapacity/mAhCapacity/mAhCharge currentDischarge current
StandardMax.StandardRapidMax.
IFR18650-1600mAh-3.2V3.21600≥15500.5C1C0.5C1C3C
IFR18650-1800mAh-3.2V3.21800≥17500.5C1C0.5C1C3C
IFR26650-3200mAh-3.2V3.23200≥31000.5C1C0.5C1C3C
IFR26650-3600mAh-3.2V3.23600≥35500.5C1C0.5C1C3C
IFR26650-3800mAh-3.2V3.23800≥37500.5C1C0.5C1C3C
IFR26650-4000mAh-3.2V3.24000≥39500.5C1C0.5C1C3C
IFRP18650-1100mAh-3.2V3.21100≥10502C5C5C10C30C
IFRP26650-3000mAh-3.2V3.23000≥29001C3C2C5C10C
INR18650-2200mAh-3.6V3.62200≥21500.5C1C0.5C1C3C
INR18650-2600mAh-3.6V3.62600≥25500.3C0.5C0.5C1C2C
INR26650-5000mAh-3.6V3.65000≥49000.5C1C0.5C1C2C

Application of Lithium Battery

⇒ UPS, Solar, Wind, Mobile generator, Back up power
⇒ Solar power bank, Solar LED lighting, Solar street light
⇒ Scooter, E-bike, Golf cart, E-motor, E-tour car, tricycle
⇒ Electric drill, electric saw, lawn mower and so on
⇒ Remote control cars, boat, aircraft, toys
⇒ Medical devices, equipment and portable equipment
⇒ Bluetooth, GPS, Wearable device, Power supply, Wireless


1. Back-up System and UPS: Telecom Base / CATV system / Computer Server Center / Medical Instruments / Military Equipment.

2. Energy Storage: Solar-Wind Power System / City Grid (On/Off) / Community and Family / RV Motorhome / Golf Carts Battery / Boat Marine Yachts / Electric Skateboard / Vehicle.

3. Other Applications: Security and Electronics / Mobile POS, Mining Light/ Torch / LED Light / Emergency Light / LED Backup / Engine Starting Battery,etc.


The lifepo4 battery pack is widely used for RV, Camper, Yacht, Golf cart, Solar energy storage system, electric bicycle, electric bike, electric wheelchair, power tools, electric scooter,emergency light,etc

Warning & Tips

1. Keep the battery against high temperature. Otherwise it will cause battery heat, get into fire or lose some functions and reduce the life;

2. When the battery run out of power, please charge it within 15 days;

3. Please use the original or recommended charger for this battery;

4. If the battery leaks and get into the eyes or skin, do not wipe, instead, rinse it with clean water and see doctor immediately;


Other hot sale lithium ion battery pack:





China OEM 18650 2P Batteries 4400mAh 3.7V Cylindrical Li-Ion Battery 2p Li-Ion 18650 Lithium Battery Pack supplier

OEM 18650 2P Batteries 4400mAh 3.7V Cylindrical Li-Ion Battery 2p Li-Ion 18650 Lithium Battery Pack

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