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

Li-ion Battery Pack, Battery Pack, Li-ion Battery Pack 7.4V/4.4ah manufacturer / supplier in China, offering Rechargeable Li-ion Battery Pack 7.4V/4.4ah with PCM 2.5A, Customized Solution Portable Power Storage From 200-1500W, Outdoor Power Storage 200W 500W 1500W UPS and so on.

Gold Member Since 2013
Audited Supplier

Rechargeable Li-ion Battery Pack 7.4V/4.4ah with PCM 2.5A

Get Latest Price
Purchase Qty. / Reference FOB Price
10-99 Pieces US $15
100+ Pieces US $12
Port: Shenzhen, China
Production Capacity: 80000PCS/Month
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: Medium
Accessories Type: PCM/BMS

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Basic Info

Model NO.: AYAA-2S2P
Rated Capacity: >1000MAH
Standard Voltage: 4.8V~8.4V
Electrolyte: Li-ion
Color: Blue
Composition: 2series 2parallel
Trademark: AYAA
Transport Package: White Carton or Customized
Specification: CE, ROHS
Origin: Shenzhen City, Guangdong Province, China
Rechargeable Li-Ion Battery pack 7.4V/4.4Ah with PCM 2.5A

Li-Ion Battery: 7.4V/4.4Ah (32.56Wh, ) with PCM <o: P>
Battery: Sumsung 18650 3.7V/2200MAH<o: P>
Protected by 1 pcs PCM (2.5A limited) located on the top<o: P>
Battery pack is wrapped blue PVC
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
Description         
             
Li-Ion Battery: 7.4V/4.4Ah (32.56Wh,) with PCM  Battery:Sumsung 18650 3.7V/2200MAH Protected by 1 pcs   PCM (2.5A limited)  located on the top Battery pack is wrapped blue PVC
  VoltageVoltage: 3.7V (working)  4.2V (peak)  
  Capacity   2200 mAh (8.14Wh)
Cycle life  > 1000 cycles (80% of initial capacity @ 0.2C rate, IEC Standard)
Protection +tupianOne  PCM ( PCM-Li02S5-027 )  installed with the  battery pack and protects the battery from Over charge detection voltage(4.25V±0.025V) Over discharge detection voltage  (2.40V±0.062V) Over current detection current ( 6.5±1A) Short circuits
Must wait min of 30 minutes after battery is fully charged to allow the pcm to perform balance function on all the cells within the pack.  
Pre-wiredDischarge terminal: 2" long 22AWG open wire end Red wire = Positive Black wire = Negative
Charging rate   2.2A (0.5C)
Max. Discharging Rate6.5A  limited by 22AWG wire 
Dimensions (LxWxH)  38mmx 38mm x 78mm
Weight210g
WarrantyLimited Warranty: Repair or exchange only within 30 days.
  Charger
 
Please use our charger below for fully recharge battery pack. Smart Charger (3A) for 8.4V Li-ion Battery Pack, 100-240V  (4.5hrs charge time)
  Applications  
 Warning 

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