
Air Conditioner Fan and Battery 7.4V 7000mAH
Offering air conditioner fan and rechargeable battery 7.4v 7000mah
battery
Brand | LINKAGE |
Model | LKG-74440L52Ah-VP |
Nominal voltage | 7.4v |
Nominal capacity(0.2C5A) | 5200mAH |
Standby current | ≤15μA |
working efficiency | ≥99% |
LED indicator | red-100% |
| orange-60% | |
| green--30% | |
red--99% Power output | |
| orange--75% Power output | |
| green--50% Power output | |
| flashing--25% Power output | |
4-steps power output regulator | ON/OFF |
Working voltage | 8.4V-6.0V |
Max output power | 15W MAX |
Resistance load | 5Ω-200Ω |
Charge voltage | 8.4V |
Discharge voltage | 6.0V |
Cycle life | 500times |
Internal resistance | ≤230 mΩ |
Size(mm) | 23*72*92 |
Input/output port | DC/1.35*35/7.0mm |
Weight | 210g |
Charge temperature | 0°C~45°C;32oF~113oF |
Discharge temperature | -20°C~60°C;-4oF~149oF |
Storage temperature | -20°C~45°C;-4oF~113oF |
Color | white |
Package | carton:200mm*300mm*430mm |
Long term storage performance | 75% storage for storage one year |
Package/Gross Weight | 80 pieces/ cartons, Outside carton,18.2Kg |
Warranty | one year |
With the high energy density samsung cells which will have higher capacity,but less weight.to make sure the device has more endurance time when working

Use time reference:
Test load (two air-conditioning fans) resistance 4.5Ω
Test Battery 7.4V 7000mAh
4 files use time 13 hours
3 files use time 19 hours
2 files use time 36.8 hours
1 file use time 93 hours
Battery function Button

The definition is as follows:
Digital tube LED: display discharge gear / power;
ON/UP: Press the button to turn on/up the output;
OFF/DOWN: Press the key to turn off/turn down the output gear;
DC interface: Connect motor load/charger.
2. Instructions for use
1) Turn on and indicate
Press the ON/UP button to display the power. Press and hold the time to 1.5 seconds to turn on the output. The default current output position is “4.” and the DC output voltage is 7.2V. The power-on is completed.
2) Shutdown
Press and hold down the OFF/DOWN button for 1.5 seconds. The shutdown is successful and the digital tube is extinguished.
The battery was disconnected and the battery was automatically shut down after 5 seconds.
When the battery power falls below the protection voltage, it will automatically shut down in 2 seconds.
3) During discharge, output gear indication and adjustment
When the battery is discharged, the digital tube indicates the definition: when the output is adjusted, the output gear is displayed (decimal point flashes); after the gear is adjusted for 4 seconds, it indicates the current battery power.
The output gear is divided into 4 files, which are indicated by the characters "4." "3." "2." "1." respectively, "4" is the highest grade, "1" is the lowest grade, and the decimal point is used when adjusting the output gear. The LED flashes continuously. After the button is pressed for 4 seconds, the battery level is automatically displayed as “9” to “0”. “9” is a high battery, and “0” is a low battery.
A. Press any key in ON/UP or OFF/DOWN, the LED indicates the current output position (the decimal point is flashing), the duration is 4 seconds, and no key is pressed for 4 seconds. The indication power (the decimal point does not flash) is displayed.
B. Lower the output gear: Click the OFF / DOWN button, the digital tube display value decreases gradually, the minimum value is "1."
C. To increase the output gear: Click the ON/UP button, the value displayed by the digital tube will increase gradually and the maximum value is “4.”.
4) When discharging, the battery indicator
The battery level is 10, which are represented by the characters "0" to "9". When “0” is flashing, the battery is low and the battery is about to be turned off. “9” indicates that the battery is full.
5) Charge indication
After the charger is connected to the battery DC interface, the digital tube indicates the charging status (the decimal point will flash.). The charge indication is 10 levels and is represented by the characters "0" to "9". When the battery is fully charged, "9" is displayed and the decimal point is not displayed. The final full charge indicator is determined by the indicator light of the charger. After charging, the charger shows a green light.
6) Short-circuit overload protection
After the output short-circuit, the battery will automatically enter the protection state, need to be charged to activate the battery.
7) Load capacity
Air conditioning service battery rated output current up to 2A.






Applications:
Heated gloves, heated snow sports wears, heated stadium seat cushions,
Heated base layers, heated underwears, heated jackets, heated vests,
Heated pants, heated clothing, heated clothes, heated garments,
Heated apparel, heated motorcycle clothes, heated motorcycle jackets,
Heated motorcycle vests, heated motorcycle pants, heated trousers,
Heated pants, warming apparel, warming clothes, heated military vests,
Heated military men belts, heated policemen vests, etc.
You can find more informations for our heated clothing battery pack as follows,
Type 1
Model | Voltage (V) | Capacity(mAh) | Thickness | Width | Length | Weight (g) | Note | Application |
LINKAGE-7.4V4400mAh | 7.4V | 4400mAh | 23.0 | 72.0 | 92.0 | 230.0 | 1. LED indicator |
|
LINKAGE-7.4V5200mAh | 7.4V | 5200mAh | 23.0 | 72.0 | 92.0 | 230.0 | 1. LED indicator | |
LINKAGE-7.4V6000mAh | 7.4V | 6000mAh | 23.0 | 72.0 | 92.0 | 230.0 | 1. LED indicator | |
LINKAGE-7.4V4400mAh | 7.4V | 4400mAh | 23.0 | 72.0 | 92.0 | 230.0 | 1. Digital indicator | heated clothes , |
LINKAGE-7.4V5200mAh | 7.4V | 5200mAh | 23.0 | 72.0 | 92.0 | 230.0 | 1. Digital indicator | |
LINKAGE-7.4V6000mAh | 7.4V | 6000mAh | 23.0 | 72.0 | 92.0 | 230.0 | 1. Digital indicator | |
LINKAGE-12V2600mAh | 12V | 2600mAh | 23.0 | 72.0 | 92.0 | 180.0 | 1. LED indicator |
|
LINKAGE-12V3000mAh | 12V | 3000mAh | 23.0 | 72.0 | 92.0 | 180.0 | 1. LED indicator | |
LINKAGE-14.8V2200mAh | 14.8V | 2200mAh | 23.0 | 72.0 | 92.0 | 230.0 | 1. LED indicator | heated clothes , |
LINKAGE-14.8V2600mAh | 14.8V | 2600mAh | 23.0 | 72.0 | 92.0 | 230.0 | 1. LED indicator | |
LINKAGE-14.8V3000mAh | 14.8V | 3000mAh | 23.0 | 72.0 | 92.0 | 230.0 | 1. LED indicator | |
LINKAGE-7.4V4400mAh(2013 new for air-conditioned clothes) | 7.4V | 4400mAh | 23.0 | 72.0 | 92.0 | 230.0 |
| air-conditioned clothes, |
Type 2
Model | Voltage (V) | Capacity(mAh) | Thickness | Width | Length | Weight (g) | Note | Application |
LINKAGE-3.7V2200mAh (2013 new) | 3.7V | 2200mAh | 22.0 | 35.0 | 70.0 | 65.0 | 1. LED indicator |
|
LINKAGE-3.7V2600mAh (2013 new) | 3.7V | 2600mAh | 22.0 | 35.0 | 70.0 | 65.0 | 1. LED indicator | |
LINKAGE-3.7V3000mAh (2013 new) | 3.7V | 3000mAh | 22.0 | 35.0 | 70.0 | 65.0 | 1. LED indicator |
Type 3
Model | Voltage (V) | Capacity(mAh) | Thickness | Width | Length | Weight (g) | Note | Application |
LINKAGE-3.7V2600mAh | 3.7V | 2600mAh | 15.0 | 48.0 | 65.0 | 65.0 | 1. LED indicator |
|
LINKAGE-3.7V3000mAh | 3.7V | 3000mAh | 15.0 | 48.0 | 65.0 | 70.0 | 1. LED indicator | |
LINKAGE-7.4V1500mAh | 7.4V | 1500mAh | 15.0 | 48.0 | 65.0 | 70.0 | 1. LED indicator | |
LINKAGE-3.7V3000mAh | 3.7V | 3000mAh | 23.0 | 40.0 | 69.0 | 70.0 | 1. LED indicator | |
LINKAGE-7.4V1500mAh | 7.4V | 1500mAh | 23.0 | 40.0 | 69.0 | 70.0 | 1. LED indicator |
Type 4
Model | Voltage (V) | Capacity(mAh) | Thickness | Width | Length | Weight (g) | Note | Application |
LINKAGE-7.4V2200mAh | 7.4V | 2200mAh | 21.0 | 48.0 | 70.0 | 120.0 | 1. LED indicator |
|
LINKAGE-7.4V2600mAh | 7.4V | 2600mAh | 21.0 | 48.0 | 70.0 | 130.0 | 1. LED indicator | |
LINKAGE-7.4V3000mAh | 7.4V | 3000mAh | 21.0 | 48.0 | 70.0 | 130.0 | 1. LED indicator |
Type 5
Model | Voltage (V) | Capacity(mAh) | Thickness | Width | Length | Weight (g) | Note | Application |
LINKAGE-7.4V6600mAh(2013 new) | 7.4V | 6600mAh | 23.0 | 72.0 | 140.0 | 350.0 | 1. Digital indicator |
|
LINKAGE-7.4V7800mAh(2013 new) | 7.4V | 7800mAh | 23.0 | 72.0 | 140.0 | 350.0 | 1. Digital indicator | |
LINKAGE-7.4V9000mAh(2013 new) | 7.4V | 9000mAh | 23.0 | 72.0 | 140.0 | 350.0 | 1. Digital indicator | |
LINKAGE-12V4400mAh(2013 new) | 12V | 4400mAh | 23.0 | 720.0 | 140.0 | 350.0 | 1. Digital indicator | heated clothes |
LINKAGE-12V5200mAh(2013 new) | 12V | 5200mAh | 23.0 | 72.0 | 140.0 | 350.0 | 1. Digital indicator | |
LINKAGE-12V6000mAh(2013 new) | 12V | 6000mAh | 23.0 | 72.0 | 140.0 | 350.0 | 1. Digital indicator |


Why choose us?
- Our team of experts is dedicated to producing Air Conditioned Clothes products that meet the highest quality standards.
- In today's competition, high efficiency can bring forward-looking vision, broad expansion and seize the opportunity for enterprises.
- We offer Air Conditioned Clothes products with superior durability, comfort, and cooling ability.
- We continue to enhance our ability in scientific research and technological development, and intensify the development, introduction and promotion of new technologies and Air Conditioner Fan and Battery 7.4V 7000mAH.
- We offer a range of sizes and styles for our Air Conditioned Clothes products to meet the needs of every customer.
- After years of unremitting efforts, the company has established itself as an important position in the Air Conditioner Fan and Battery 7.4V 7000mAH industry.
- Our factory is equipped with state-of-the-art machinery to produce high-quality Air Conditioned Clothes products.
- Our company adheres to the business philosophy of 'professional, honest and trustworthy', and provides high-quality products and services.
- Our Air Conditioned Clothes products are designed to be easy to clean and maintain, ensuring long-lasting performance.
- We continue to innovate, improve product performance, research and develop innovative products, and propose effective solutions to the diverse needs of customers.
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