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NMC Custom Lithium Battery Packs 3.7V 4000mAh Rechargeable

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NMC Custom Lithium Battery Packs 3.7V 4000mAh Rechargeable

NMC Custom Lithium Battery Packs 3.7V 4000mAh Rechargeable
NMC Custom Lithium Battery Packs 3.7V 4000mAh Rechargeable NMC Custom Lithium Battery Packs 3.7V 4000mAh Rechargeable NMC Custom Lithium Battery Packs 3.7V 4000mAh Rechargeable

Large Image :  NMC Custom Lithium Battery Packs 3.7V 4000mAh Rechargeable

Product Details:
Place of Origin: Shenzhen, China
Brand Name: KAYO
Certification: UN38.3, MSDS, CE, ROSH, CB, IEC62133, UL2054
Model Number: custom rechargeable batteries
Payment & Shipping Terms:
Minimum Order Quantity: 200 packs
Price: Negotiable
Packaging Details: two pcs in a carton box
Delivery Time: 20 days
Payment Terms: 30% before production,70% before delivery
Supply Ability: 100000 packs per month

NMC Custom Lithium Battery Packs 3.7V 4000mAh Rechargeable

Product Name: Heated Jacket Battery Pack Battery Type: Rechargeable Battery Pack For Heated Vest
Key Feature: Custom Lithium Battery Packs Cell: Lithium Polymer Battery
Certificate: UN38.3, MSDS, ROHS, IEC62133, CB Voltage: 3.7 V
Capacity: 4000 MAh Application: Heated Jacket, Heated Vest, Heated Clothing
OEM/ODM: Acceptable Warranty: 1 Year
Cycle Life: 500 Times Protection: Over-Discharge, Over-charge, Over-current, High Temperature
Battery Size: 14.5* 52* 70 Mm Weight: 77 G
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NMC Custom Lithium Battery Packs


Custom Lithium Battery Packs 3.7V


4000mAh Rechargeable Lithium Battery Pack

3.7V 4000mAh Heated Clothing Batteries Custom Lithium Battery



Heated Jacket Battery Pack Product Specification
Custom Lithium Ion Battery Pack
Product Name Custom 3.7V 4000mAh rechargeable battery for heated clothing
Nominal Voltage 3.7 V (Customized 3.2V 3.7V12V 24V 36V... 72V)
Nominal Capacity 4000 mAH (Customized 2.6Ah, 3.5Ah...200Ah)
Standard Charge Current 800 mA
Max Charge Current 2000 mA
Charge Cut-off Voltage 4.2 V
Standard Discharge Current 800 mA
Max Cont Discharge Current 4000 mA
Discharge Cut-off Voltage 2.75 V
Material NMC battery ( or LiFePO4 battery, ​Lithium Cobalt battery )
Cell/ Brand Sony ( or Sumsung, Samsung,Sanyp, Panasonic, KAYO LIPO )
Cell Type li ion 18650 battery( or Custom Lithium Ion battery )
Temperature Range Charge temperature: 0°C to 45°C
Discharge temperature: -20°C to 60℃
Storage temperature: -10°C to 50℃
Life Cycle More than 500 cycles
Package Material Shrinked PVC
Certification IEC 62133, UN38.3, MSDS, KC, CB, UL2054
OEM/ODM Acceptable, based on client's needs



NMC Custom Lithium Battery Packs 3.7V 4000mAh Rechargeable 0



One pc in a PE bag, and then in a standard export carton or Custom-made Package.


Delivery Methods:
① By express UPS/DHL/FEDEX/TNT (It takes 3-5 days to arrive).
② By airfreight (It takes about 3~7 days to arrive) .
③ By sea shipment (It takes about 35 days to arrive).


Delivery Time: 3-5 days for samples, 8-20 days for mass production, depend on the QTY.



Why choose KAYO:

1. KAYO original factory can provide competitive factory price
2. Long warranty up to 12 months
3. OEM/ODM is acceptable, base on client's needs
4. Fast delivery, ship goods on time
5. Use famous brand A grade 18650 battery cell
6. Optional chargers available
7. With advanced BMS (Battery Management System)

Capacity: 10Ah, 15Ah, 17.5Ah, 20Ah, 23Ah, 30Ah, 50Ah, 100Ah, 200Ah...
Voltage: 12V, 24V, 36V, 48V, 51.2V, 72V
Combination: 4S2P/ 10S6P/10S8P/12S8P/16S8P/13S10P
Battery function: BMS, bluetooth, CANBUS, RS485, display, ect


NMC Custom Lithium Battery Packs 3.7V 4000mAh Rechargeable 1

NMC Custom Lithium Battery Packs 3.7V 4000mAh Rechargeable 2


Company Information:

Established Year: 1999 (More than 20 years)
Office: ShenZhen, GuangDong China
Production: DongGuan,GuangDong China
Type of company: Sino-Japanese joint venture
R&D members: 46
Production employee: 500 (full-time)
Activity: R&D Design, Manufacture,and Sales of custom batteries
Certificate: ISO 9001:2008, ISO14000: 2004,UL, CB, KC, PSE, 3C, CE, FCC, UN38.3, RoHS
Mainly Products: Lithium Polymer Battery, Lithium Ion Battery, LiFePO4 battery,NI-MH battery and relative battery pack assembly
Mainly Customers: Honeywell, Ansmann, General Electronics, NTT, Huawei, Energizer, Bosch etc.

We provide one-stop battery power solution, including cell selection, battery pack design, PCM/BMS design, battery pack assembly, OEM Packing and after sales service.


1. Q: Do you test all the goods before delivery?
A: Yes, we have our own testing lab and all the goods will be 100% testing before delivery.

2. Q: How to customize?
A: Please provide your detailed requirements, such as voltage, capacity, dimension, charge and max discharge current, and other function requirements, etc. Our engineers will help you to evaluate the suitable solution and quotation base on your needs.



3. Q: Do you offer power solution?
A: We offer one-stop power solutions that based on client's needs, including pack design/ external case design/ BMS design, which saves your design time and cost for customers.


4. Q: What's your warranty for products?
A: We offer 2 years warranty for all our battery pack, we ensure at least 2000 cycle life for the LiFePO4 battery pack, which means after 2000@80% DOD, there will still around 60% capacity left, you can use it at least 5 years for normal 1 time charge and discharge everyday.



5. Q:Can I get a lower price if I order large quantities?
A:Yes, lower prices with more bigger size orders.

Contact Details
Unitech Energy System Limited

Contact Person: Mrs. Olinda

Tel: +86-181 2856 1764

Fax: 86-755-23449332

Send your inquiry directly to us (0 / 3000)