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7.4V 3000mAh 18650 Lithium Battery Pack For Bluetooth Audio

7.4V 3000mAh 18650 Lithium Battery Pack For Bluetooth Audio

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Large Image :  7.4V 3000mAh 18650 Lithium Battery Pack For Bluetooth Audio

Product Details:
Place of Origin: China
Brand Name: GUANYU
Certification: MSDS
Model Number: GUANYU-FF252
Payment & Shipping Terms:
Minimum Order Quantity: 50 packs
Price: Negotiable
Packaging Details: Standard export carton
Delivery Time: 3-6 weeks
Payment Terms: 30% before production,70% before delivery
Supply Ability: 10000 packs per month
Detailed Product Description
Standard Voltage:: 7.4V Capacity:: 3000mAh
Working Temperature: 0℃ - 50℃ Cycle Life: ≥1500
High Light:

7.4V 3000mAh 18650 Lithium Battery Pack


Bluetooth Audio 18650 Lithium Battery Pack


7.4V 3000mAh Bluetooth Audio Battery

Lithium battery pack 18650 7.4V3000 mAh Bluetooth audio battery pack Medical equipment battery pack

Product specifications
The battery of this model can be replaced with:

solar light battery pack, remote control aircraft, mobile power supply, hand warmer, remote control car, Bluetooth audio, etc.


Product Specification
Product Name Lithium battery pack 18650 7.4V3000 mAh Bluetooth audio battery pack Medical equipment battery pack
Nominal Voltage 7.4V 
Nominal Capacity 3000mAh
Standard Charge Current 1000mAh
Max Charge Current 1500mAh
Charge Cut-off Voltage 8.4V
Standard Discharge Current 1500mAh
Max Cont Discharge Current 3000mAh
Discharge Cut-off Voltage


Material NMC battery ( or LiFePO4 battery, Lithium Cobalt battery​)
Cell/ Brand 18650 lithium battery
Cell Type Lithium Ion battery(or Custom Li polymer battery )
Temperature Range Charge temperature: 0°C to 45°C
Discharge temperature: -20°C to 55℃
Storage temperature: -20°C to 55℃
Life Cycle More than 1500cycles
Package Material Shrinked PVC
Certification ROHS, UN38.3, MSDS, IEC62133, CB
Key Words Bluetooth speaker LED light 18650 lithium battery pack


7.4V 3000mAh 18650 Lithium Battery Pack For Bluetooth Audio 07.4V 3000mAh 18650 Lithium Battery Pack For Bluetooth Audio 1

Product Features


  • Smaller size.
  • Pollution free.
  • Lighter weight.
  • Longer cycle life.
  • High performance.
  • No memory effect.
  • High energy density.
  • High Discharge Voltage.
  • lower internal resistance.
  • Outstanding Stable discharge characteristics.


  • OEM&ODM orders are acceptable.
  • Competitive price with fine quality.
  • Powerful production capablicity and Short Lead Time.


  • BMS&PCM function: Over-charge protection, Over-Discharge protection, Over-current protection, Short Circuit protection, High Temperature protection, Balance Charge/Discharge protection, Communication protocol function, Battery Power indicator.


Warnings & Attentions


To ensure to use battery properly, please read the requirements carefully
Dispose Method:
Do not dispose of the battery in fire or expose to the heat.
Do not connect battery in charger or equipment with reverse positive and negative terminals.
Do not short circuit the battery.
Do not make battery in physical shock or vibration.
Do not disassemble battery.
Do not immerse battery in water or get it wet.
Do not use batteries mixed with other different type, model.
Keep battery away from children.
Battery must be charged in appropriate charger.
Do not use modified or damaged charger.
Do not use unqualified with the specified charger.
Do not discharge battery with surpassing current of specified.
Do not discharge battery when the ambient temperature is out of the specified.


Packaging & Shipping

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.

1. Q: Can you accept OEM and ODM Service for custom battery pack?
A: Yes, we can produce the custom made battery packs as every of clients requirements. Such as the cell brands, capacity, voltage, discharge performance, battery shape, battery size, connectors, enclosures and the package, all can be customized.

2. Q: What certificates do you have?
A: ISO9001 quality system, IATF16949 Automotive Industry Management System, ISO140001 Environmental System, and GB/T29490-2013 System. And most of the products have passed the UL, UN38.3, ROSH, CE, CB, BIS, KC, MSDS certificates.
3. Q: What is your warranty?
A: We offer 2 years warranty for all our battery pack. All the GUANYU products are insured by the Third Party PICC PROPERTY AND CASUALTY COMPANY LIMITED. the best service are assured
4. Q: Can the product be equipped with a charger?

5. Q. How long does the proofing time take?
A: it depends on order quantity. Usually the delivery date for samples: 3~5 days, for mass production: 5~25 days,



Lithium battery pack 18650 7.4V3000 mAh Bluetooth audio battery pack Medical equipment battery pack

Contact Details
Shenzhen guanyu new energy technology co., ltd

Contact Person: sale

Tel: +8615013633680

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