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High Capacity 21600mah Portable Power Bank For Laptop / Macbook Pro / Ipad / iphone

FOB Price: US $ 45 - 49 / Piece | Get Latest Price
Min.Order Quantity: 10 Piece/Pieces
Supply Ability: 10,000 Piece/Pieces per Week
Port: ShenZhen
Payment Terms: T/T,Western Union
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Quick Details

Place of Origin:
China (Mainland)
Model Number:
21600 mAh/3.7V
5V, 7.4V, 9V, 12V, 16V, 19V 1-4.2A
13V-19V 2A-4.2A
Socket Type:

Packaging & Delivery

Packaging Details: normal package or by your requirement
Delivery Detail: 3 -7 working days


1.High Capacity 21600mah Portable Power Bank For Laptop / Macbook Pro / Ipad / Iphone

High Capacity 21600mah Portable Power Bank For Laptop / Macbook Pro / Ipad / iphone


1.Batteries: Lithium-ion/polymer


2.Capacity: 21600 mAh/3.7V


3.Output voltage: 5V, 7.4V, 9V, 12V, 16V, 19V


4.Output current: 1~4.2A


5.Input voltage: 13V~19V


6.Input current: 2A~4.2A


7.Charging time: 5~10H


8.Using time( laptop computer): 4~7H


9.Cycle life: >500times


10.Ambient temperature:10~40°C






13.Case Material:ABS



1. Power on: press "power key" about 2 minutes, or during charging, LCD light, shows voltage and USB output.

2. Voltage selection: long press "the power key", LCD will show voltage value, flash among 5V, 7.4V, 9V ,12V ,16V, 19V, select the voltage which complies to battery of device or charger's requirement.

3. Output: Connect flexible wire after voltage selection, the "OUTPUT" port start working, voltage selection function will be closed, but withdrawing the flexible wire can select voltage again.

4. Power off: while not charging, press the "power key", it will power off, within 10 minutes, it has a automatically power-off function as well, but which is not applicable to at 5V.

5. Charging: Please use the specified adapter to connect with power supply of laptop computer, it will show charging, when fully charged, it will stop charging.

6. The power supply can charge, and discharge at the same time, output will stop if battery low during charging and discharging.

7. Output will stop due to high temperature caused by heavy load.

8. If battery flashing during not charging, means low power, needs


9. Power supply will stop output and enter power saving mode if the

charged device only using low current.



1. High capacity, 21600mah, 4-30 times bigger than digital battery.


2. With remind function after fully charge.


3. With automatically power-off function within 10minutes without load.


4. Make working time of laptop computer longer to 4~7H.


5. With function of low power warning and automatically power-off.


6. Strong compatibility, applicable to most of digital products and laptop computer.


7. 360° safety design, intelligent protection circuit.


8. Compatible with 13V~19V laptop computer, and with charging and discharging function.



1. Can use charger of laptop computer or 13~19V/2~4.2A to charge this movable power supply.

2. Shall use DC flexible wire to charge digital products, or can damage your device.

3. Shall fully charge the movable power supply prior to first use.

4. Make sure voltage of the charged digital products and spec of adapter before charging.

5. Drop, hit, dissection and disassemble for repair is not permitted.

6. Do not throw into water or make it wet.

7. Do not throw into fire or heat it.

8. Keep it away from children.

9. Do not use around flammable gas.

10.When using movable power supply to charge laptop computer, if it shows charging by unoriginal charger, it's acceptable.

11. Range: 70W below laptop computer.


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Established in 2001, we are an IT enterprise that integrates the research, development, production and marketing. We are a manufacturer of laptop adapters, universal laptop adapters, AC/DC adapters, DC/DC adapters,computer products, etc.

As an international enterprise, we have expanded our markets to Europe, North America, South America and Asia. All of our products have won a good reputation both at home and abroad. To bring you better-designed products, our R&D team takes up 2... View detail

Basic Information

Business Type: Manufacturer  
Main Products: laptop adapters,ac/dc adapters,dc/dc adapters,power cables &plugs,computer partrs  
Number Of Employees: 201 - 300 People  

Trade & Market

Main Markets: Domestic Market
South Asia
Southern Europe
Northern Europe
Western Europe
Eastern Asia
Mid East
Southeast Asia
Eastern Europe
South America
North America
Total Annual Sales Volume: US$10 Million - US$50 Million  
Export Percentage: 81% - 90%  

Factory Information

Factory Size (Sq.meters): 1,000-3,000 square meters  
Factory Location: B4 Building Min Sheng Industrial Park YuanFeng Village LongHua Street Long Hua New District Shen Zhen China  
No. of Production Lines: 8  
Number of R&D Staff: 11 - 20 People  
Number of QC Staff: 21 - 30 People  
Contract Manufacturing: OEM Service Offered   Design Service Offered   Buyer Label Offered  

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How It Works

China (Mainland) | Contact Details
Experience: Established 2012 , 8 years OEM

Communicate with Supplier:

Ms. Catherine Rao
Ms. Catherine Rao:
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