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2S2P 7.4V 4400mAh lithium ion battery

CATEGORY AND TAGS:
Consumer Electronic Products Battery, Cylindrical Lithium ion Battery

2S2P 18650 7.4V 4400mAh Lithium ion Battery Pack, using original 18650 cell, widely use for?

*Camping light,
*Portable devices,
*Emergency light,
*LED light,

enquiry
  • Specifications
  • Lithium Battery Applications
  • Lithium Battery Advantages
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2S2P 7.4V 4400mAh lithium ion battery
No.
Item
General Parameter
Remark
1。1
Description
2S2P 7.4V 4400mAh lithium-ion battery
2S2P pack
1.2
Battery Type
Lithium ion 18650 cell
?
1.3
Typical Capacity
4400mAh
?
1。4
Typical Voltage
7.4V
?
1。5
End of Charge Voltage
8.4V
?
1.6
Charge Current
0.2C
?
1.7
Charging time
5-6 Hours
?
1.8
Over-Charge Voltage Protection cell?
4.25V
?
1.9
Max continuous charge current
2.2A
?
2.0
Maximum Continuous Discharging Current
4.4A
?
2。1
Over-discharge Voltage Protection cell?
2.5V
?
2.2
Over-Current Discharge Protection
7A
?
2。3
Short circuit protection
With protection
?
2.4
Dimension
Can be customized
?
2.5
Operation Temperature Range
Charge 0~55 C,?Discharge -20~60 C
?


1.Light: headlamp, emergency light, solar flashlight, searchlight, lanten, bicycle light, LED light, military

flashlight, high-end flashlight, high power flashlight, bright flashlight.
2.Outdoor sports products: camping light, mountain bike light, solar emergency light, self-defense flashlight,
3.Consumer electronics: MPS, Tablet PC. laptop, Bluetooth earphone, power bank, portable DVD player,
speaker, microphone, sound equipment, audio, Digital camera
4.Home appliances products: electric mop, electric vacuum cleaner, electric children toys, electric shoes,
electric blanket。
5。Medical devices
6.Instruments and meters: water meter, gas meter.
7.Electric transportation vehicles: electric bike, electric car, e-scooter, electric motor, electric trolley, electric cart.
8。Power tools: electric drill, mower
9。UPS, backup energy, storage energy。

We warmly welcome OEM design inquiry! We could make customized battery pack specially for you!


? Long life cycle, large capacity and good shock resistance

? Low self-discharge and good discharge performance at low temperature
? Strong charging acceptance and quick-charging capability
? Strong over-discharge resistance and charge retention
? Maintenance-free and no acid or water for maintenance in usage
? Excellent large current discharge performance, and have obvious advantages in startup and climbing
? High temperature performance
? Environmental friendly
? Lighter weight smaller size
? Most safe no explosion no fire


? Lithium polymer battery cell manufacturing, with 1000+ existing cell models.

? Cylindrical Lithium ion battery cell manufacturing, with model of 18650, 26650, 14500, 32650, 38120。
? Battery assembly with International branded 18650 cells, like Samsung, LG, ? Panasonic, Sony, etc..
? Battery management system (BMS/PCM) design, production is done in-house.
? Battery Plastic housing tooling, injection is done in-house

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