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China Panasonic 18650 Battery manufacturer
Joy Battery Technology Co., Ltd

High quality,Best service,Reasonable price

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Joy Battery Technology Co., Ltd Factory Tour

Customer Reviews
We choose Joy Battery products for many years, we trust Joy Battery!

—— Mr. Joseph stevens

I want to say that your products very good. Thank you for all your suggestion, also good after sales service.

—— Mr. Jeremy Smith

You always can give me the best plan ,and it lets my customer feel great,i hope we can have another chance to cooperation.

—— Ms. Basma Ezzat

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  • Production Line

                                  Cylindrical Battery                                                                                   Polymer Battery         

    1.A long period of charging and discharging test         1.High-speed mixing positive and negative paste Joy Battery Technology Co., Ltd          Joy Battery Technology Co., Ltd    

    2.Over-current, over-voltage, circuit safety  test           2.Coating Machine for LaboratoryJoy Battery Technology Co., Ltd           Joy Battery Technology Co., Ltd

    3.High temperature security and stability test               3.Press positive and negative sheetsJoy Battery Technology Co., Ltd          Joy Battery Technology Co., Ltd

    4.PCB circuit control board                                           4.Cut a roll of positive and negative sheetJoy Battery Technology Co., Ltd          Joy Battery Technology Co., Ltd

    5.Sub-capacity cabinet battery category                       5.Cut the solder poles, pole pieces automaticallyJoy Battery Technology Co., Ltd           Joy Battery Technology Co., Ltd

    6.Batteries internal resistance matching                        6.Separate the positive and negative plate 
    Joy Battery Technology Co., Ltd           Joy Battery Technology Co., Ltd
    7.Detection PCB circuit board                                       7.The formation of a separate anode and cathode

    Joy Battery Technology Co., Ltd           Joy Battery Technology Co., Ltd
    8.Install the bottom cover and circuit board                   8.Vacuum Drying
    Joy Battery Technology Co., Ltd           Joy Battery Technology Co., Ltd
    9.Detection of semi-finished battery                              9.Capacity testing
    Joy Battery Technology Co., Ltd           Joy Battery Technology Co., Ltd
    10.Activate the battery and calibration capacity           10.Aging testing
    Joy Battery Technology Co., Ltd           Joy Battery Technology Co., Ltd
    11.Packing and sealing                                                 11.Packing and sealing
    Joy Battery Technology Co., Ltd           Joy Battery Technology Co., Ltd
    12.Transport to all over the world                                 12.Transport to all over the world
    Joy Battery Technology Co., Ltd           Joy Battery Technology Co., Ltd
        

  • OEM/ODM

    OEM&ODM Service:
    We have the experience, capability, and R&D resource to make any OEM&ODM integration a glowing success! Large is an extremely versatile power bank manufacturer with the ability to bring your concepts and ideas into viable solutions. We work with individuals and companies at all stages of design and manufacture, from concept to finish, in a highly focused effort to bring Industry level products and services to you.
    Once customer provides us with concept information and detailed specifications, we will notify them of the total cost for design, prototyping, and estimated cost per unit before the project begins. Large will work with customers until they are satisfied and all original design requirements are met, and the product performs exactly to customers’ expectations.

    OEM Service Flow Chart:
    Our R&D team approach allows us to be ahead of our competition in product development cycle time without compromising quality. Large is committed to delivering quality solutions to our customers through our OEM & ODM services. We are an expert in our field, as you are with yours. Large is committed to serving global solution integrators with flexible custom-made designs and manufacturing services. Delivered straight from our corporate OEM & ODM Team, the products benefit our clients by lower manufacturing costs as well as a shorter lead-time for product development.

    Joy Battery Technology Co., Ltd

  • R&D

    How to select the correct battery pack?
    1,First of all, you must get to know your device:
    A,What is device's input voltage? ( V)
    B,What is its power consumption ( Wattage ) ?
    C,What is Maximum current drain ( A) ?
    D,What is your expected running time by a battery pack ?

    2,Decide battery pack voltage you will choose
    Battery pack voltage must be equal or a little higher than your device’s need.

    3,Decide Battery pack's Capacity ( mAh or Ah)
    Battery capacity is depended on how long you need to run your device ( hours ), which can be calculated as the follow:
    ( Ah) = Device's Wattage (W) x Time to run ( Hours) / Battery Voltage (V)
    For example, if using a 12V battery pack, and run 10W DC device for 10 hours, you need choose a battery pack with capacity > 8.3Ah, e.g (10x10)/12 = 8.3
    1000 mAh = Ah, higher mAh will provide longer running time.

    4,Decide Battery pack’s Max. discharging current
    Before order battery pack, you must pay attention on battery pack’s Max. discharging rating on the specification or description. Please don’t think any battery can take any current drain.
    You shall know your device’s max. discharging current. If you don’t know , you must measure it by a multi-meter.
    The battery pack’s Max. discharging rate of the chosen Battery must be higher than that device requires

Contact Details
Joy Battery Technology Co., Ltd

Contact Person: Mr. Eric

Tel: 86-755-36817358

Fax: 86-755-36817358-818

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Joy Battery Technology Co., Ltd
Bld.6,First Industrial Park,Fuyong street ,Baoan District, Shenzhen,China
Tel:86-755-36817358
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