Batería externa Dudao K31 Pro 45W 20000mAh con cable USB-C retráctil integrado - Gris

The Dudao K31 Pro is a high-capacity 20000mAh power bank with a built-in retractable USB-C cable, offering up to 45W Power Delivery fast charging. Its sleek grey design and LED digital display make it a reliable companion for charging smartphones, tablets, and laptops on the go.

Advantages

With a 20000mAh capacity (74Wh), the K31 Pro can charge a smartphone multiple times or a laptop once. The integrated retractable USB-C cable eliminates the need to carry extra cables, while the 45W PD output ensures rapid charging for compatible devices. The LED display shows exact battery percentage, so you always know your remaining power.

Suitable for

• Smartphones (iPhone, Samsung, etc.)
• Tablets (iPad, Android tablets)
• Laptops (USB-C PD compatible)
• Wireless earbuds, cameras, and other USB devices

Key specifications

• Battery capacity: 20000mAh / 74Wh
• Max output power: 45W (USB-C PD)
• Input: USB-C PD (5V/3A, 9V/3A, 12V/3A, 15V/3A, 20V/2.25A)
• Output USB-C: 5V/3A, 9V/3A, 12V/3A, 15V/3A, 20V/2.25A (45W)
• Output USB-A: 5V/3A, 9V/2A, 12V/1.5A (18W QC)
• Built-in cable output: same as USB-C (45W)
• Battery type: Lithium Polymer (Li-Po)
• Material: ABS + PC
• Colour: Grey
• Display: LED digital display (battery percentage)
• Safety: Over-charge, over-discharge, over-current, short-circuit, over-voltage, over-temperature protection

Recommendations

For optimal performance, use a USB-C to USB-C cable (or the built-in cable) with Power Delivery support. The power bank can charge up to three devices simultaneously via USB-C, USB-A, and the built-in cable. Ensure your device supports PD or QC for fast charging.