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Lithiuim Emergency 4400mah DIY Battery Pack 7.4V 2S2P For Lighting

Lithiuim Emergency 4400mah DIY Battery Pack 7.4V 2S2P For Lighting

    • Lithiuim Emergency 4400mah DIY Battery Pack 7.4V 2S2P For Lighting
    • Lithiuim Emergency 4400mah DIY Battery Pack 7.4V 2S2P For Lighting
  • Lithiuim Emergency 4400mah DIY Battery Pack 7.4V 2S2P For Lighting

    Product Details:

    Place of Origin: Shenzhen China
    Brand Name: DELONG
    Certification: CE, Rohs, MSDS,FCC, ect.
    Model Number: DEL-Y002

    Payment & Shipping Terms:

    Minimum Order Quantity: 500pcs
    Price: Negotiation
    Packaging Details: export standard package
    Delivery Time: Sample: 7-10 days, Mini order: 10-15working days
    Payment Terms: T/T, PayPal,Western Union ect.
    Supply Ability: 20000pcs per month
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    Detailed Product Description
    Battery Type: Grade A18650 Battery Cell Capacity: 4400mah
    Norminal Voltage: 7.4V Full Charge Volt.: 8.4V
    Construction: 2S2P Dimension: 36*36*68mm
    Item No.: DEL-Y002 Application: Emergency Lighting,Fishing, Car Light
    Peak Current: 10AH Battery Charger: 12.6V US/EU/UK Plug

    Lithiuim Emergency 4400mah DIY Battery Pack 7.4V 2S2P For Lighting






     Name  7.4V Emergency Lighting Batteries




     4400mah , 5200mah

     Cell Type

     A grade A 18650 battery

     Discharge Current

     0.5C- 1C, for start Motor could customize Use 3C Battery cell

     Max. Discharge      Curretnt  4A

     Norminal Voltage


     Full charge Voltage






     PVC Color

     Black or Blue

     Charge Plug  DC 5.5*2.1MM Female or Male Port As your requirement


     Intelligent protection functions for short circuit,

     Over charge/discharge,

     Over-load, and  temperature protection


     1 year



     Life time


     Lead time

     7-12 days for sample and small order

     12-25 days for  bulk order

     Payment terms

     T/T, Paypal, Western Union

     (30% deposits, 70% balance before delivery)

     Package and  Accessories 

    1x Battery with case 1x 2A Charger 




    A. Extremely safe and stable chemistry: PCB and/or BMS built inside to balance protect the battery.


    B. Long life-cycle: best can up to 800 times recycles, 4 times of Lead acid battery.


    C. Lighter weight, with the best power-to-weight ratio: 1/3 of Lead acid battery weight.


    D. Good performance at high temperature and high temperature resistance


    E. Low self-discharge rate, less than 3% monthly.


    F. No memory effects and highly efficient charge.


    G. Environment friendly: Clean and Green energy poses no pollution on our environment.


    Shipping And Payment

    • Battery will packed with small box then put into cartons.


    • We will ship the battery by express such as DHL, TNT, UPS, FEDEX etc. We can also ship by sea or air transportation for bulk large order.


    • Delivery time for production will depend on your quantity. Usually it will take 5-7 working days, the sample will be shipped out within 3 working day



    • -Portable VTR/TV, tape recorders, radios, etc.
    • -Power tools, lawn mowers and vacuum cleaners
    • -Cameras and photographic equipment
    • -Computers etc.
    • -Portable measuring equipment
    • -Portable telephone sets 
    • -Various power toys and recreational equipment
    • -Lighting equipment 
    • -Uninterruptible Power Supply 
    • -Communications and electric equipment 
    • -Emergency lighting equipment



    (1) 12 months warranty 


    (2) Quickly solve the problem


    (3) Reply you within 24hours


    (4) Any non-intentional damage will be repaired by free.


    To reduce the risk of fire or burns.

     <1>. Do not attempt to open,disassemable,or service the battery pack

     <2>. Do not crush,puncture,short external contacts of dispose of in fire or water above 60 Degree  




    • 1. Turn on the switch on the battery,the red indicator on the battery will be on. 
    • 2. The charger adapter has a indicator on the charger.when you connect the charger withAC power,
    • and the battery connect with the battery,the red indicator will be on on the charger adapter.
    • 3. In a word.AC Power connect with DC the charger,the Charger connect with the battery,turn on the
    •  switch on the battery.then it start to charge for your battery. 
    • 4.when the red indicator of the charger adapter turn to green,then the battery is fully charged.
    • it only need 6-8 hours to charge fully. 
    • 5. the indicator on the battery,it will always red.when the power of the battery use out,it will turn dark,
    • though it has nearly 5% power,the red indicator will still on.

    To charge

    • Switch on the adapter and the red light would be on ,press the switch of the battery to ONand the
    •  indicator would be on.
    • Connect the point of the adapter to DC In/Outof the battery and the green light would be on,which 
    • indicates it starts to charge,the box does not finish charging unit the green light is off.(the charging 
    • times lasts at least 8 hours) 


    To supply


    • Connect one point of the power wire to DC In/outof the battery and press the switch to ON and
    •  the other point of the power wire to any kinds of household appliances with the special technology,the inner circuit cut off 
    • Automatically in case of incorrectly use,resulting in no output.but you can renew its output so long 
    • as to recharging battery.




    • Do use the specialized accessory to recharge.the input voltage of any appliance must be in the 
    • range ofthe output of the battery,otherwise it can do harm to appliance.
    • To avoid the descending capacity, the battery must not be put away over 1 year.
    • Away from high temperature,and kept in cool dry place.


     About us:


    1. Shenzhen Delong Energe Technologe Co. Ltd. was established in 2006.


    2. The core competencies is power bank, li-polymer battery and ebike battery.


    3. The nich market is Eurpoand America India


    4. 8 years experiences in battery field, 3 years experiences in export power bank field




    1. What's the MOQ of your products?


    No MOQ Limit before bulk orders. sample order is welcome


    2. Can you customeize packaging?


    Yes, MOQ must reach 3000pcs and it is for free , and please offer us the original design drawing.


    3. Can the power bank have customized writing or logo on them?


    Yes, we can make any kinds of the customerized writing or logo on the battery and MOQ is 500pcs. Single color is for free.


    4. What's the accessories included in the price list?


     One battery with 12.6V 2A Charger


    5. What is the lead time ?


    Sample is 7-10 working days, mass production is 12-25 days after payment confirmed


    6. Are your a trade company or real factory?


    We are a original factory with year's manufacturing experience.


    Contact Details:


    Skype: Kristten Wei

    Email: sales006@delongbattery.com



    Contact Details
    Shenzhen Delong Energy Technology Co.,LTD

    Contact Person: Kristen

    Send your inquiry directly to us (0 / 3000)