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MAXOAK 50000mAh 5/12/20v Portable Charger External Battery Power Bank for Laptop & Notebook-Most of Sony Dell Hp Toshiba Samsung Lenovo Acer IBM NEC Mobile Phone Tablet(not for Apple Laptop) 

4.3 out of 5 stars 447 customer reviews
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  • REAL ULTRA HIGH CAPACITY 50000mAh/185Wh: 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
  • All IN ONE FAST CHARGE: 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
  • MINIMAL SIZE & LIGHTEST: 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
  • SAFETY,Durable & Guaranteed: 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 12 Months Hassle-free 100% Satisfaction & Replacement Warranty.
  • WHAT YOU CAN GET: 1 x Laptop power bank(K2),1 x Home charger, 1 x DC cable, 14 x Laptop charge connector, 1 x Multifunction bag, 1 x Manual

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  • Save 5% on Maxoak K5 CPAP power bank when you purchase 1 or more Maxoak 50000mah power bank offered by Maxoak Direct. Enter code U6QJA7UT at checkout. Here's how (restrictions apply)

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Product Description

Ideals Power Companion for Your Laptop





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):
A:6.0/1.4(6.5*4.4mm)FUJITSU/SONY
C:5.5/2.5mm ACER/ASUS/IBM/DELL/HP/COMPAQ/FUJITSU/TOSHIBA/NEC
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


please check the adapter size of your laptop and whether it is included as above.
Tips:

Low shutdown current for 5V port:70mA
Low shutdown current for 12V port:150mA
Low shutdown current for 20V port:200mA
High shutdown current for 20V port:>4.5A

If your laptop turn off automatically for several seconds or minutes, it may caused by overcurrent/lowcurrent protection.
if automatic turn off is caused by overcurrent protection,Please close the screen of your laptop or fully charged your laptop first, and then use our power bank to charge the laptop.if you are trying to power a Windows laptop and the battery keeps disconnecting over and over, you might have to go into Power settings, Advance power settings, and find the setting for "Turn Harddrive off after" and set that to NEVER, and in power options DISABLER "Intel Cppc Energy Saving"

How Can i Know Whether My Laptop Will Cause Power Bank Overcurrent or not?
Please Check the label pasted on the adapter, if it is more than 90W (DC output current is more than 4.5A). it may cause our power bank turn off during charging for overcurrent. so we do not suggest to use our power bank to charge your laptop.

Weight and Dimension:

Weight:2.77lb (1.26kg)
Dimension:
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.

Tips/Attention:
Can charge Surface Pro 3(but need buy the cable yourself-DC5.5*2.1mm to surface pro connector)
Can charge surface pro 4 ( if the DC output voltage is 12V)
Cann't charge Surface Pro 4(only if DC voltage is 15V)
Cann’t charge Lenovo Yoga 3 14, yoga 900(20V 3.21A), yoga 3 11 13 milx 4 700s(20v 2a)
Cann’t charge dell xps 12(Type C)
Cann't charge Apple Laptop
Cann't be recharged by solar panel/car charger
Cann't take on airplane (185Wh)

Package Included:

Laptop power bank(K2) x 1
Home charger x 1
DC cable x 1
Laptop charge connector x 14
Multifunction bag x 1
Manual x 1
message card x 1


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Customer Rating 4 out of 5 stars (447) 4 out of 5 stars (96) 4 out of 5 stars (1943) 4 out of 5 stars (93) 4 out of 5 stars (217) 4 out of 5 stars (15)
Price $135.99 $105.99 $61.99 $129.99 $149.99 $135.99
Shipping FREE Shipping FREE Shipping FREE Shipping FREE Shipping FREE Shipping FREE Shipping
Sold By Maxoak Direct Sunvalley Brands AnkerDirect Jackery Inc Crave USA Krisdonia service
Item Dimensions 8.1 x 5.3 x 1.3 in 5.31 x 6.89 x 1.38 in 7.09 x 3.21 x 0.87 in 6.29 x 2.55 x 2.55 in 7.99 x 5.98 x 1.97 in 7.72 x 5.91 x 1.1 in
Item Weight 2.77 lbs 1.87 lbs 1.1 lbs 1.54 lbs 1.98 lbs 2.55 lbs

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Warranty & Support

Amazon.com Return Policy:You may return any new computer purchased from Amazon.com that is "dead on arrival," arrives in damaged condition, or is still in unopened boxes, for a full refund within 30 days of purchase. Amazon.com reserves the right to test "dead on arrival" returns and impose a customer fee equal to 15 percent of the product sales price if the customer misrepresents the condition of the product. Any returned computer that is damaged through customer misuse, is missing parts, or is in unsellable condition due to customer tampering will result in the customer being charged a higher restocking fee based on the condition of the product. Amazon.com will not accept returns of any desktop or notebook computer more than 30 days after you receive the shipment. New, used, and refurbished products purchased from Marketplace vendors are subject to the returns policy of the individual vendor.
Product Warranty: For warranty information about this product, please click here

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