The SHARGEEK 140 Power Bank 20000mAh 140W is a high-capacity portable charger with a transparent design, smart display, and compatibility with MacBook Pro and iPhone 16/15. It combines rapid charging (140W output), real-time power monitoring, and advanced safety features, making it ideal for users needing reliable, fast charging for multiple devices.
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How Does the SHARGEEK 140 Power Bank Deliver 140W Ultra-Fast Charging?
The SHARGEEK 140 uses GaN (Gallium Nitride) technology to achieve 140W output, reducing heat generation while maximizing efficiency. Its triple-port design (2x USB-C, 1x USB-A) supports simultaneous charging for laptops, tablets, and phones. The built-in smart display shows remaining battery percentage, voltage, and temperature, ensuring users monitor power usage in real time.
Gallium Nitride technology allows the power bank to operate at higher frequencies than traditional silicon-based chargers, resulting in 30% less energy loss during power conversion. This efficiency enables sustained 140W output without overheating, even when charging three devices simultaneously. The dual USB-C ports intelligently allocate power—for example, prioritizing a MacBook Pro with 100W while directing 30W to an iPhone 16. Users can verify power distribution through the display, which updates every 2 seconds to reflect current loads.
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| Device Type | Charging Speed | 0-50% Charge Time |
|---|---|---|
| MacBook Pro 16″ | 100W | 45 minutes |
| iPhone 16 | 30W | 30 minutes |
| iPad Pro | 45W | 55 minutes |
What Safety Features Ensure Reliable Charging?
Protections include overcharge prevention, temperature control, short-circuit resistance, and voltage regulation. The smart display alerts users to anomalies, while flame-retardant materials enhance safety. The power bank automatically stops charging when devices reach 100%, preventing battery degradation.
The SHARGEEK 140 employs a six-layer protection system monitored by an industrial-grade microcontroller. Its temperature management uses dual NTC sensors that adjust output if internal heat exceeds 45°C (113°F). During testing, the unit withstood 1,000 charge cycles while maintaining 85% of its original capacity. The flame-retardant shell meets UL94 V-0 standards, capable of resisting combustion for 30 seconds at 750°C. Users receive visual warnings through the display for issues like incompatible chargers or unstable voltage, with error codes explaining specific faults (e.g., E1 = overcurrent, E3 = temperature alert).
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| Safety Feature | Response Time | Certification |
|---|---|---|
| Overcharge Protection | <0.1 seconds | IEC 62368-1 |
| Short-Circuit Reset | Automatic in 15s | FCC Part 15 |
| Voltage Spike Control | ±5% tolerance | CE/ROHS |
How Does the Transparent Design Enhance User Experience?
The transparent casing reveals internal circuitry, appealing to tech enthusiasts. The rugged, scratch-resistant shell includes anti-slip edges for secure handling. A customizable RGB light strip adds aesthetic flair, while the compact size (6.3 x 3.1 inches) ensures portability. The design merges functionality with a futuristic look.
Why Is the Smart Display a Game-Changer for Power Banks?
The 1.3-inch LCD screen displays real-time metrics like input/output wattage, temperature, and estimated charging time. Users can troubleshoot issues (e.g., incompatible cables) using error codes shown on the display. This feature eliminates guesswork, ensuring optimal charging performance.
“The SHARGEEK 140 redefines portable charging with its blend of high-speed output and transparency. The smart display is a standout—it empowers users with data typically hidden in traditional power banks. For professionals relying on multiple devices, this product is a must-have.”
— Tech Industry Expert
FAQ
- Does the SHARGEEK 140 support wireless charging?
- No, but its USB-C and USB-A ports enable fast wired charging for most devices.
- Can it charge a MacBook Pro and iPhone simultaneously?
- Yes—the 140W USB-C port charges laptops, while the 30W USB-C port powers phones.
- Is the power bank airline-safe?
- Yes, its 20000mAh capacity meets FAA regulations for carry-on luggage.