CUKTECH 300W 40000 mAh Power Bank with Wireless Charging 2x USB-C + 2x USB-A Black

The CUKTECH 300W 40000 mAh Power Bank is a high-capacity portable charger designed to power multiple devices simultaneously. With a massive 40000 mAh (148 Wh) battery, it can charge laptops, smartphones, tablets, and more. Featuring two USB-C ports (one with PD 3.1 up to 140W) and two USB-A ports (QC 3.0 up to 30W each), plus 15W wireless charging, this power bank delivers up to 300W total output. The digital LED display shows remaining battery level, and advanced safety protections ensure reliable operation.

Advantages

High 300W total output for fast charging of multiple devices, including laptops. Large 40000 mAh capacity for extended use. Wireless charging convenience. Digital display for battery status. Comprehensive safety features.

Suitable for

• Laptops, smartphones, tablets, smartwatches, earbuds
• Travel, business trips, outdoor activities
• Users needing high-power portable charging

Key specifications

• Battery Capacity: 40000 mAh / 148 Wh
• Max Total Output: 300W
• USB-C1 Output: 140W (PD 3.1)
• USB-C2 Output: 100W (PD 3.0)
• USB-A Output (each): 30W (QC 3.0)
• Wireless Output: 15W (Qi)
• Ports: 2x USB-C, 2x USB-A
• Max Input: 100W (USB-C1)
• Battery Type: Lithium-ion (21700)
• Display: Digital LED
• Color: Black
• Material: PC + ABS
• Safety: Overcharge, Over-discharge, Short-circuit, Over-current, Over-voltage, Temperature Protection
• Pass-through Charging: Yes
• Simultaneous Charging: Up to 5 devices
• Certifications: CE, FCC, RoHS

Recommendations

For optimal performance, use high-quality USB-C cables that support PD 3.1 for the 140W output. The power bank supports pass-through charging, allowing you to charge the bank and your devices simultaneously.