2s2p 4400mAh 7.4V Battery Pack for Bluetooth / Portable Radio /Bluetooth Headset

- Dec 05, 2016-

 2s2p 4400mAh 7.4V Battery Pack for Bluetooth / Portable Radio /Bluetooth Headset Basic Info
Product Description

2s2p 4400mah 7.4Volt 18650 battery pack

  • 1.Digital product 7.4V lithium ion battery pack 
    2.Real capacity: 4400mAh
    3.Professional factory, OEM/ODM welcomed
    4.CE/ROHS/UL/MSDS/UN38.3 approved
    5.High energy density, no memory effect, non-pollution
    6.Application: Medical equipment, e-tools, POS machine, Military products, Smart wearable device, portable computer, PDA etc.

Battery Model

7.4V 4000mAh 18650 Lithium ion battery

Nominal Capacity


Nominal Voltage


Storage Voltage


Charging Cut-off Voltage


Discharging Cut-off Voltage


Standard Charge Current


Maximum Charging Current


Max Discharging Current


Battery Size

18*72*65mm or 36*36*65mm

Charging Method

CC-CV (constant voltage with limited current)

Operating Temperature

Charge: 0 to 50 °C

Discharge:-20 to 60°C

Application of li-ion battery
1. Telecommunication: Cellular phone, web phone, interphone, Bluetooth earphone. 
2. Portable office devices: Notebook, PDA, portable electrograph, portable printer. 
3. Video devices: GPS, digital camera, camcorder, portable DVD, portable television, MP3, MP4. 
4. Portable exchange devices: POS, Handy, Fingerprint machine, portable stock machine. 
5. Illuminate devices: Miner lamp, searchlight. 
6. Others: Toys, models. 

Advantages Of Lithium Ion  Battery Pack
1: Highly Safe, Edure High temperature,
2:Long Lifespan: 2 to 3 times longer than the lifespan of seal lead acid battery
3:Variable type of cell: 14500,18650,14430,18500,17500,26650,26500 etc.
4:Wide Capacity Range: 0.2C to 70C
5: Stable Performance
6: No memory effect
7:Light Weight: 1/3 of the weight of NiMH Battery, 1/2 of SLA battery
8:Reach ROHs, CE, UL quality standard
9: Low maintenance

Customized power solution supplier
Our Services 
1. Low MOQIt can meet your business very well, li-ion cell 1000pcs, battery pack 500pcs.  
2. OEM AcceptedPlease send us your requirements or design.  
3. Good ServiceWe treat clients as friends, always welcome to visit our factory 
4. Good QualityBLV is an original manufacture, 100% tested in production test one by one before shipping 
5. Fast & Cheap DeliveryWe have big discount from forwarder (long Contract) 
Why Us?  
1.5-year experiences dealing with lithium battery business and customized designing& production. 
Strong and experienced R&D team to support. 
2. Quick and Safe Delivery, competitive factory price, 
3. Experienced Service Team, respond within 10h for your questions. 
4. Warranty for ONE-YEAR After-sales Service
5. OEM and ODM Services Offered. Customized designing power solution. 
6. Full Range Products for Choices
7. Fully inspection for samples&orders&incoming materials, 
Offer test report and specification data sheet offer. 
8. Provide best brand cell: Sanyo, Panasonic, Samsung, LG, Sony. 


Contact: Doris

Tel: +86 186 6567 6364

Email: info(at)sinolibattery.com

Skype: dorisluo2012

Whatapp: +8618665676364

SNL is a professional lithium ion battery supplier in china, we have a professional team in making all aspects better and better, our products are: 11.1v 2200mah, 18650 li ion battery, 11.1v li-ion battery pack, 18650 panasonic, 11.1v 4400mah li-ion battery, 11.1 volt 4400mah lithium battery pack, 12volt lithium battery rechargeable, 6.4 volt lifepo4 battery pack, 6.4 volt battery , 7.4volt 2200mah lithium ion battery, 7.2 volt battery, 7.4 volt li-ion battery pack, 2500mah li-ion samsung, 2500mah li-ion battery, 3000mah inr18650-30q, 3000mah lithium battery etc.