LCD digital indicator 20000 mAh power bank for macbook pro

FOB Price: US $48 - 68 / Set | Get Latest Price
Min.Order Quantity: 50 Set/Sets
Supply Ability: 10000 Set/Sets per Week
Port: Shenzhen
Payment Terms: L/C,T/T,Western Union,Paypal
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Quick Details

Place of Origin:
Guangdong, China (Mainland)
Brand Name:
Model Number:
Socket Type:
US, EU, UK, AU standard
Real capacity:
Cell type:
Aluminium alloy
Recycling times:
Circuit protection1:
Over current
Circuit protection2:
Over charging
Circuit protection3:
Over discharging
Circuit protection4:
Short circuit

Packaging & Delivery

Packaging Details: Gift Box or customize packaging
Delivery Detail: 3-10 days after payment confirmed

Specifications design
2.competitive price
3.LCD indicator
4.high capacity 20000 mah

LCD digital indicator 20000 mAh power bank for macbook pro




Product Description



 Specifications for power bank 20000mAh

1.Model NO.OT-PB121
3.Cell typepolymer
4.InputDC 9V-19V/1A MAX
5.Output9V/12V/16V/19V/5A  AND 5V/1A
9.Led lightingNO
10.HousingAluminium alloy
11.Mould typePravite




OTON's  purpose is "Technology lead to future,Fashion lead to trend".we refuse fake capacity,we refuse second-hand battery,we refuse poor quality PCB,we all quote is for 100% real capacity.



Special advantages for power bank 20000 mAh OT-PB121

1.High capacity 20000mah for any mobile phone/laptop/tablet/ipad.

2.Slim body only 16mm

3.Dual Output 9V/12V/16/19/5A AND 5V/1A

4.Our normal color is silver/black/blue/pink/golden;do OEM(MOQ:1K).



More advanges for power bank 20000 mAh:


1.Long service time:More than 500times charging and discharge.

2.Conversion rate:85% UP.

3.Protect functions: Advanced intelligent protection chip guarantee overcharge 

protection,over current protection,over charging protection,over discharging protection,overload protection,short circuit protection,Leakage protection.

4.18650 cell is purchased from big famous factory(Zhuoneng or Samsung) in power industry.

5.All our products would be strictly tested before dilivery.Aging test for 2 times.

6.High compatible:Can charge for iPhone,iPad,smart phones,digital cameras,

MP3,MP4,laptop etc. 


More photos for power bank 20000 mAh OT-PB121 for better reference

Packaging & Shipping


The packaging and accessories for OT-PB121 for reference;

Any packaging and accessories can be customize as your requirements.


Shipping services:


1. Express: UPS, DHL, FEDEX, EMS.TNT OR Special express line.

2. Air shipping, sea shipping and other shipping methods are available.



Our Services


Our services

1.Offer sample making,offer customer logo printing on the product or packaging.

2.Offer OEM service

3.Offer ODM service

4.Excellent after-service 


We want you be fully satisfied with every item that you order from OTON.Furthermore,we also offer free

maintenance and one year warranty for our products.





Why do you choose us and trust us?


1.we are factory,we have our own R&D dept.

2.we trust good quality&competitive price conquer the market.

3.we have honor and guarantee for our customers,we refuse facke capacity,

we refuse second-hand battery,we refuse poor quality PCB.

4.we have one year warranty for our products.

5.Any fake capacity,we will give you a refund.




Company Information


 Our factory show







How to keep your power bank well?


1.When lower than 30% indicator lights on, it shows this charger need to be charged.

2.When not in use for a long time, at least every three months to charge the product.

3.Keep products stored in dry place, away from moisture and corrosive materials;

4.Never wash the portable charger with any irritating chemicals, soaps or detergents;

5.Do not expose battery pack to direct sunlight (heat) for extended periods;

6.Do not open, modify, extrude, and strike this product;Do not expose to water or too much wet environment;

7.Do not discharge battery to a level below 3V per cell under load. Deep discharge below 3V per cell can deteriorate battery performance.

8.Far from high pressure equipment;Far away from children;

Not exactly what you want? 1 request,multiple quotations Get Quotations Now >>
Established in 2004, the Dongguan Oton Electronic Technology Co.,LTD
(hereinafter referred to as OTON) is located in Dongguan City, China, near Hongkong.OTON is professional manufacturer with more than 8 years ODM&OEM experiences on power bank.Our purpose is "Technology lead to future,Fashion lead to trend".

OTON mainly develops and produces the devices & accessories for iPod\iPhone and iPad. Our main products are portable power bank, emergency charger, c... View detail

Basic Information

Business Type: Manufacturer, Trading Company  
Main Products: Power bank,Power charger,power bank charger,USB Cable,MFI Cable  
Number Of Employees: 51 - 100 People  

Trade & Market

Main Markets: South America
North America
Western Europe
Southern Europe
South Asia
Eastern Europe
Eastern Asia
Northern Europe
Total Annual Sales Volume: US$5 Million - US$10 Million  
Export Percentage: 91% - 100%  

Factory Information

Factory Size (Sq.meters): 1,000-3,000 square meters  
Factory Location: No. 83, Xiangxianli, Xiaqiao, Dongcheng District,Dongguan city,China  
No. of Production Lines: 3  
Number of R&D Staff: 5 - 10 People  
Number of QC Staff: 5 - 10 People  
Contract Manufacturing: OEM Service Offered   Design Service Offered   Buyer Label Offered  

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How It Works

China (Mainland) | Manufacturer, Trading Company | Contact Details
Experience: Established 2014 , 8 years OEM

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