MAXOAK powerbank 50000mah, portable power bank 50000 mah, portable power bank for netbook 50000mah

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$65.00 - $80.00 / Sets | 500 Set/Sets (Min. Order)
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Quick Details
Place of Origin:
Guangdong, China (Mainland)
Brand Name:
Model Number:
Socket Type:
Micro USB
Gray, Gray
High Capacity
Li-Po battery
Real Capacity:
16.8V 2.5A, 16.8V 2.5A
Output (6 ports):
USB1&2: 5V 2.1A USB3&4: 5V 1A DC1: 12V 2.5A DC: 20V 3A
Charging Time:
6-8 hours
Cycle Life:
Over 1000 times
Product Size:
Product Weight:
USB Port:
4 ports
Battery Type:
lithium polymer
5V/1A 5V/2.1A DC12V 2.5A DC20V 3A
Supply Ability
Supply Ability:
5000 Piece/Pieces per Month
Packaging & Delivery
Packaging Details
brown box with accessories
Lead Time :
20-30 days after all the detail information have confirmed

Kayo Maxtar powerbank 50000mah, portable power bank 50000 mah, portable power bank for netbook 50000mah

High capacity 50000mAh mobile power supply in kayo maxtar best seller on Amazon


For more details please visit following video link:

K2 50000mAh laptop power bank:


Product Description

Laptop power bank K2 50000mAh mobile power supply total output is up to 12A. support charging and discharging at the same time. Power 2 laptop computers and 4 mobile phones concurrently.


Now pls let me introduce our 50000mAh mobile power supply for you breifly. Our real ultra high capacity 50000mAh mobile power supply compatible with most popular laptops and notebooks. Once fully charged, our K2 portable 50000mAh mobile power supply can charge your phone 6 plus about 11 times, phone 6 about 17 times, galaxy S6 almost 11 times.

Product Specifications


Company Information

Kayo Maxtar Group was founded in 1999. Main product lines include lithium battery cell, lithium battery pack, power bank and solar ESS.

Kayo Maxtar Group occupies over 112000 square meters of manufacturing facility with more than 20 automatic production lines. The company has more than 1000 employees including an accomplished management team of 50 a talented research & development team of 200, and a competent quality assurance team of 100.

Kayo Maxtar Group is vertically integrated perfectly. From supply of anode materials, battery cell, and PCM to product manufacturing, testing and quality control are provided and supported within the group.



1. Company certificates: ISO9001:2008 quality system certificated 

                                     ISO14001 environment system certificated

2. Products certificates: UL/CE/FCC/RoHS/UN38.3/PSE/REACH/IEC62133/KC/SAA etc.


3. Global product safety liability insurance: PICC


OEM ODM Advantages

As a specialized lithium ion battery manufacturer, we are capable of packing large capacity of electric power in a small sized mobile power bank.


Our in-house SMT production lines provide the best assurance to the PCM quality and performance.


A digital PSE system is implemented to monitor production quality control and store testing data. The digital PES is internally developed quality control software specifically for lithium battery production by Kayo Maxtar.


A complete set of testing equipment is employed for quality assurance.


Contact Us

Ms Catherine Huang

Skype: necaca0102

QQ/Wechat: 267213706

WhatsApp/Mob: +86 137 28607297

Email: catherine (at)  catherine (at)


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