50,000mAh MAXOAK Power Bank with 6 Output Ports

  • $175.95

Only 2 left!

Stay Connected for Emergency
Never have Your laptop, cell phone, tablet run out of battery when you take along our MAXOAK long-lasting 50000mAh battery pack(K2).

Multi-use All in One Charge
We have total six outputs for different digital devices.
One 20V/3A, one 12V/2.5A, two 5V/2.1A and two 5V/1A output allow you charge several devices like laptop, tablet, cell phone simultaneously.

Ultra High Capacity 50000mAh 
Once Fully Charged, Our MAXOAK K2 Portable Battery Pack Can Charge Your iPhone 6 Plus about 11 Times, iPhone 6 About 17 Times, Galaxy S6 Almost 11 Times. 


The widest compatible Laptop Power Bank
Total 14 kinds of connectors are supplied to assure a maximum compatibility with a wide range of popular laptops notebooks.

Please verify your laptop connector/Adapter Before Purchasing: 
Laptop connector/Adapter included in the Package(DC 5.5*2.1mm to below adapter):
E:5.5/1.7mm Acer
F:4.8/1.7mm HP
H:5.0/1.0mm Samsung
I:7.4/0.6mm(or 7.4/5.0mm) DELL/HP
Fordell: 7.4/0.6mm(or 7.4/5.0mm) DELL
K:7.9/0.9mm(or 7.9/5.5mm) IBM/LENOVO
L:3.0/1.1mm Samsung
O:4.5/3.0mm only for HP, not fit for Dell Laptop.
Lenovo: fits for LENOVO laptop with square head with a thread in the middle
(not suitable for Lenovo laptop with half solid and half hollow)
FOR DELL: 4.5*3.0mm Dell laptop with 4.0*3.0mm
N:4.0*1.35mm ASUS laptop with 4.0*1.35mm connector
G:4.0*1.7mm Lenovo laptop with 4.0*1.7mm connector



Compatible With Most Popular Laptops and Notebooks( Can not Charge Laptop with DC Current Over 4.5A/90W).We Provide 14 Kinds of Connector for Most of the Popular Laptops (Pls Make Sure the Connector Fits for Your Laptop before purchasing). Once Fully Charged, Our K2 Portable Battery Pack Can Charge Your iPhone 6 Plus about 11 Times, iPhone 6 About 17 Times, Galaxy S6 Almost 11 Times.


It Has 6 Output Ports. One 20V/5A for Laptops, one 12V/2.5A for Digital Cameras, Two 5V/2.1A and Two 5V/1A For Most of Smart Phones, iPad, Tablet and More USB-Charged Devices. You Can Charge Several Devices Simultaneously to Save You Much Time. Ultra Energy Saving & Fast Charging Speed with DC input:16.8V/2.5A, OUR K2 Battery Pack Can Be Recharged in Just 6-8 Hours.


High Ratio of Dimension and Capacity. This Battery Pack May Be the Smallest for 50000mAh Laptop Power Bank, Size Only 8.1" x 5.3" x 1.3" And Weight 2.77lb.When You're On The Go You Can Quickly Tuck This Power Bank in Your Briefcase ,Backpack Or the Carrying Bag


Constructed with Lithium-ion Polymer Battery Cells&Built-in 6 Security Protections to Ensure Safety Use and 1000+ Recharge Cycles. Four Intelligent LED Indicators Show the Remaining Power Capacity. We Are Manufacturer and R&D Each Product Ourselves, Take the Newest Technology & the Best Qualified Raw Materials, So We Have Full Confidence to Provide Our Esteemed Customer a 3 Months Hassle-free 100% Satisfaction & Replacement Warranty.


What's in Box

  • 1 x Laptop Power Bank (K2)
  • 1 x Home Charger
  • 1 x DC Cable, 14 x Laptop Charge Connectors
  • 1 x Malfunctional Bag
  • 1 x User Manual

Weight and Dimension:

Weight:2.77lb (1.26kg)
8.1"in x 5.3"in x 1.3"in (LxWxH)
20.6cm x 13.5cm x 3.3 cm (LxWxH)

Because it is real 50000mAh, it is built in 8pcs 6250mAh lithium-ion polymer battery cell, so it is impossible to be lightweight and small size, check the size and weight carefully ahead.

Type: Emergency / Portable
Output Interface: DC,Four USB
Input Interface: DC
Support Quick Charge Technology: No
Quality Certification: RoHS,CE
Battery Capacity(mAh): Above 30001mAh
Battery Type: Li-polymer Battery
Brand Name: MAXOAK
Supports Solar Energy: No
Output: 5V/2.1A
Is LED Lamp Illumination: No
Size: 206*136*33mm
Weight: 1200g
Output 1&2: DC 5V-2.1A
Output 3&4: DC 5V-1A
Capacity: 50000mAh
Model Number: K2 power bank 50000mah
Function: Power bank for notebooks

Please check the adapter size of your laptop:11K2

Customer Satisfaction Guarantee

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We stand by our high-quality products and your satisfaction is 100% guaranteed. Valid up to 30 days after delivery.

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Worldwide Shipping

* Expected US Delivery: 10-20 Days.

* Please Allow 2-6 Weeks For International (Non US) Deliveries.

** Please Note That Ordering Multiple Products Can Result in Receiving Them in Separate Packages and Different Delivery Times.

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