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Shargeek 140 20,000mAh Portable Power Bank
The Shargeek 140 portable power bank is built for people who need reliable, fast charging without carrying around a bulky brick. With a 20,000mAh capacity and 140W max dual-port output, it can take a MacBook Pro from 0% to 50% in around 40 minutes, or an iPhone 16 Pro from 0% to 50% in about 30 minutes, making it a practical choice for busy travel days or long work sessions away from an outlet.
Despite the high output, the Shargeek 140 stays compact — it's roughly half the size of a 500ml coke can and weighs about 1lb (0.47kg), so it slips into a bag without adding bulk. The smart display gives you real-time visibility into charging status, so you always know how much power you have left at a glance.
Under the hood, four Samsung 21700 batteries are built to maintain 80% capacity even after 1,000+ charge cycles, well beyond the 300-cycle lifespan typical of many competing power banks. Combined with an integrated PCB design and a dedicated cooling system, the Shargeek 140 is built to handle frequent, high-speed charging reliably over the long term.
Key Features
20,000mAh / 72Wh Capacity: Provides enough stored power to charge phones, laptops, and other devices multiple times before needing a recharge.
140W Max Dual-Port Output (100W Single Port): Delivers fast charging for laptops and phones alike, cutting down the time you spend waiting at an outlet.
Samsung 21700 Batteries: Offer 1.5x longer battery life than standard cells and retain 80% capacity after 1,000+ charge cycles for lasting reliability.
Compact, Slim Design: At about half the size of a 500ml coke can and 470g in weight, it's easy to carry daily without bulking up your bag.
Upgraded Smart Display: Larger fonts and a clearer UI give you full visibility into charging status and remaining power.
Integrated Cooling System: An aluminum alloy frame and thermal silicone pad help dissipate heat, supporting stable high-speed charging even under heavy use.
Dual-Device & Pass-Through Charging: Charge two devices at once, or recharge the power bank itself while it's powering another device.
Low-Current Mode: Properly charges low-draw devices like wireless earbuds, wristbands, and smartwatches to 100%.
Airline-Safe Capacity: Falls within standard airline power bank limits, making it suitable for carry-on travel.
Why Choose the Shargeek 140 Portable Power Bank
The Shargeek 140 stands out by pairing genuinely fast charging speeds with a design that's actually easy to carry every day. Many high-output power banks are bulky, but this one stays slim and lightweight while still delivering enough power to fast-charge a laptop and a phone at the same time.
The long-life Samsung battery cells mean you're not looking at a steady decline in performance after a few months of regular use, and the smart display takes the guesswork out of monitoring your charge. Combined with pass-through charging and low-current mode for smaller gadgets, it's a practical option whether you're commuting daily or heading out on a longer trip.
Best Use Cases
Travel: Airline-safe capacity and fast laptop/phone charging make it ideal for flights and long trips.
Commuting: Compact size and dual-device charging suit daily use on the go.
Office & Remote Work: High-wattage output keeps laptops and phones charged through a full workday.
Students & Professionals: Reliable backup power for devices between classes, meetings, or study sessions.
Technical Specifications
Specification | Details |
|---|---|
Model | Shargeek 140 |
Type | Portable Power Bank |
Rated Capacity | 20,000mAh / 72Wh (11,200mAh at 5V⎓3A) |
Battery Cells | 4x Samsung 21700 Batteries |
Battery Lifespan | 80% Capacity Retained After 1,000+ Cycles |
USB-C Output | 5V/9V/12V/15V⎓3A, 20V⎓5A (100W Max) |
USB-A Output | 5V/9V/12V⎓3A, 20V⎓2A (40W Max) |
Combined Output (USB-C + USB-A) | 100W + 40W Max (140W Total) |
Input | 5V/9V/12V/15V⎓3A, 20V⎓3.25A (65W Max) |
Supported Protocols | QC3.0, QC4.0, PD2.0, PD3.0, Apple 5V/2.4A, BC1.2, AFC, FCP |
Ports | USB-C, USB-A |
Dimensions | 158 x 65 x 30.5mm (6.2 x 2.5 x 1.2 in) |
Weight | 470g (Approx. 1lb) |
Display | Smart Display with Real-Time Charging Status |
Frame Material | Aluminum Alloy with Thermal Silicone Cooling Pad |
Compatibility
The Shargeek 140 is compatible with USB-C and USB-A devices, including laptops such as the MacBook Pro, smartphones including the iPhone 16 Pro, tablets, wireless earbuds, smartwatches, and other USB-chargeable accessories. It supports major fast-charging protocols including QC3.0, QC4.0, PD2.0, PD3.0, and Apple's proprietary charging standard.
Package Includes
Shargeek 140 Portable Power Bank
Frequently Asked Questions
How fast does the Shargeek 140 charge a laptop?
With its 100W max single-port output, it can charge a MacBook Pro from 0% to 50% in around 40 minutes.
Can I charge two devices at the same time?
Yes, the Shargeek 140 supports simultaneous dual-port charging via USB-C and USB-A, up to 140W combined.
Is the Shargeek 140 allowed on flights?
Yes, its 20,000mAh / 72Wh capacity falls within standard airline power bank limits, making it airline-safe for carry-on travel.
How long do the batteries last before degrading?
The four Samsung 21700 batteries maintain 80% capacity after more than 1,000 charge cycles, well beyond the roughly 300-cycle lifespan of many standard power banks.
Can it charge small devices like earbuds or smartwatches?
Yes, the built-in low-current mode is designed to properly charge low-draw devices such as wireless earbuds, wristbands, and smartwatches to 100%.
Does the Shargeek 140 support pass-through charging?
Yes, it can power a connected device while the power bank itself is being recharged at the same time.
How portable is the Shargeek 140?
It's about half the size of a 500ml coke can and weighs approximately 470g, making it easy to carry daily without adding bulk to a bag.
