Guangdong, China
Business Type:
Manufacturer/Factory, Trading Company
Management System Certification:
ISO 9001
OEM/ODM Service
Sample Available

Battery Pack, Li-Ion Battery Pck, 7.4v Li-Ion Battery Pack manufacturer / supplier in China, offering 2S2P 7.4V 5.2ah Using for Samsung 18650 Li-ion Battery Pack, Customized Solution Portable Power Storage From 200-1500W, Outdoor Power Storage 200W 500W 1500W UPS and so on.

Gold Member Since 2013
Audited Supplier

2S2P 7.4V 5.2ah Using for Samsung 18650 Li-ion Battery Pack

Get Latest Price
Purchase Qty. / Reference FOB Price
1-99 Pieces US $2
100+ Pieces US $1.8
Port: Shenzhen, China
Production Capacity: 50000piece /Mouth
Payment Terms: L/C, T/T, D/P, Western Union, Paypal, Money Gram
Type: Lithium-Ion Battery Pack
Connection Mode: Series and Parallel
Rechargeable: Chargeable
Discharge Rate: High Discharge Rate
Size: Small
Accessories Type: Chargers

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Basic Info

Model NO.: 7.4V 5.2AH battery pack
Rated Capacity: >1000MAH
Standard Voltage: 4.8V~8.4V
Usage: E-Bike
Electrolyte: Li-ion
Composition: 2s2p
Color: Bule
Trademark: AYAA
Transport Package: Packing in White Box or Customize
Specification: CE ROHS
Origin: Shen Zhen City, Guangdong Provice, China
7.4V 5.2AH 18650 Li-ion battery pack
Single cell: Samsung 18650 2600mAh Li-ion cell
Composed type: 2S2P
1)Safe & reliable
2)12 months warranty
3)Eco-friendly



Advantages
High energy density 
potential for yet higher capacities.  
Relatively low self-discharge 
Self-discharge is less than half that of nickel-based batteries.  
Low Maintenance 
No periodic discharge is needed; there is no memory.  
· Very low profile 
Batteries resembling the profile of a credit card are feasible. 
· Flexible form factor 
 Manufacturers are not bound by standard cell formats. With high volume, any reasonable size can be produced economically. 
· Lightweight 
Gelled electrolytes enable simplified packaging by eliminating the metal shell. 
· Improved safety 
More resistant to overcharge; less chance for electrolyte leakage. 
Application:  
Lithium ion provide long lasting energy for portable equipment and other devices such as:
1. Portable equipment: Laptop, camcorder, PDA, Digital camera, portable DVD etc.
2. Home appliances: Two-way radio, Walkie-talkie, Electric toys, Electric bicycles, Emergency   lighting
3. Military equipment: IR telescope
4.Telephone switchboard, electric equipments, power instruments and meters
5.Uninterrupted power source (UPS) for computer, Emergency Application, Medical devices
6.Power transmission and transformer station, switch-control, and accident lighting
7.Fire fighting, safety device, and alarm monitoring
8.Automatic office system
9.Radio communication system
10.Emergency lighting and car/ship starting system
11.Portable electric appliances and mining system
12.Traffic and navigation signal lamp
13.Solar Energy: Solar Street lights, Solar Led Lights
 
Storage:
1. Use at temperature below 40°C,charge fully prior to long storage periods or if it has been stored for more than three months
2. If you find any single battery voltage is under 2V at room temperature,the battery has been over-discharged or is self-discharging due to some defect/parasitic load. Discontinue use until the fault can be corrected and the battery be recharged
3. Store in an open,well ventilated,dry,clean area, between -20°C to 40°C for maximum life. self-discharge will accelerated at higher temperature
4. Don't expose the battery to extremes of temperature over 60°C,directly to sources of heat, direct sunlight or moisture and/or rain
 
Other:
1, OEM orders are welcome
2, Tags, plugs and connectors are available.
3, Superior quality and cost-performance ratio
4, We could design and develop Li-ion battery per customer's product working 
performance & structural appearance.
Rechargeable 7.4V 4.4AH Lithium-ion battery pack 
Product name 7.4V 4400mAh li-ion battery pack
ModelAY-2S2P-044
Cell assembled modeSamsung 18650 3.7V/2200mAh
ChemistryLi-ion
Configuration2S2P
Norm voltage7.4V
Max charge voltage8.4V
Storage conditionsTemperature: -20~60 deg. C 
 Humidity: 45 ± 10%R. H
Over charge detection voltage4.25V/cell
Over discharge detection voltage2.5V/cell
Over current protectionAccording to customer requests
Max continuous charge current3A
Max continuous discharge current3A
Cycle life≥500times
DimensionFlexible
Weight200g

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