Shargeek 300W Power Bank, 24000mAh Laptop Portable Charger with DC Port.

140W PD3.1 USB-C Fast Charging for MacBook Pro, Adjustable DC Output, Transparent Design, Smart Display, RGB Light.

Fuel your entire setup at once with up to 300W total output. Power two 16"MacBook Pro laptops at up to 140W each while simultaneously charging your phone—all from a single power bank. Charge your MacBook Pro from 0% to 50% in about 25-30 minutes when using USB-C1 or USB-C2 individually. Designed for creators, professionals, and power users who demand desktop-class performance anywhere.

The Shargeek 300W is a premium powerhouse verified by hardware labs like ChargerLAB. It genuinely delivers its promised 300W output, making it a benchmark for mobile energy density.

📊 Key Lab Benchmarks

• Real Efficiency: While rated at 24,000mAh (86.4Wh), independent discharge tests show a 75Wh to 77Wh usable capacity (an excellent ~88% efficiency under heavy load).

• EV-Grade Cells: Built with Ampe JP40 tabless cells. Their low internal resistance prevents voltage drops, allowing simultaneous dual-laptop charging.

• Rapid Recharge: Juices up from 0% to 100% in 60 to 75 minutes using a 140W PD 3.1 wall charger.

🔌 Multi-Port Matrix

• USB-C1 / C2: Up to 140W each simultaneously (powers two 16" MacBook Pros at full speed).

• DC Port (5525): 140W adjustable voltage (3.3V–28V) for DSLR cameras, drones, and specialized field gear.

• USB-A: 20W–30W for smartphones and small accessories.

👍 Expert-Praised Pros

• No Aggressive Throttling: Keeps separate power rails active without dropping wattages when multiple devices plug in.

• 80% Battery Health Limit: The onboard OS allows you to cap recharging at 80%, doubling the battery lifespan during heavy use.

• Premium Cooling: Replaces pure plastic with a CNC-machined aluminum chassis, acting as a massive passive heat sink.

• Airline Compliant: Sits safely under the 100Wh legal threshold for flight carry-ons.

⚠️ Real-World Cons

• Heavy Build: Weighs around 750g (1.65 lbs). It has the dense, heavy feel of a tall soda can in your backpack.

• Scratch-Prone Windows: While the frame is rigid aluminum, the transparent polycarbonate side panels scratch easily without a protective pouch.

• 🏆 Professional Verdict

  The Shargeek 300W Power Bank is an exceptional desktop-class power station scaled down for professional creators and field operators. By turning industrial-grade energy output, an adjustable DC port, and real-time laboratory telemetry into a single airline-compliant chassis, it significantly reduces the bulk of heavy power bricks and proprietary chargers you need to pack in your gear bag.

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