Portable charger Xiaomi Power Bank 20000mAh — high-capacity power bank, dual USB output

Xiaomi Power Bank 20000mAh is a portable charger with a high-capacity 20000mAh lithium-polymer battery designed to recharge smartphones, tablets and other USB-powered devices. The power bank provides dual USB output for charging two devices at once and features a compact, travel-friendly housing that balances capacity and portability for daily use and extended trips.

Advantages

The device offers a large energy reserve to deliver multiple full charges for typical smartphones and extended runtime for tablets and accessories. Dual USB outputs allow simultaneous charging without complicated adapters. The Power Bank combines a relatively slim profile with robust capacity, and its straightforward interface simplifies operation: a power button and LED indicators show remaining charge. Built-in protection circuits guard against overcharge, short circuit and overcurrent, ensuring safer charging for connected devices.

Suitable for

• Recharging smartphones during daily commutes or workdays
• Providing extra power for tablets and portable media players on trips
• Keeping cameras, Bluetooth headphones and other USB gadgets powered during outdoor activities
• Maintaining device availability during power outages or at events without easy access to mains power

Key specifications

• Battery capacity: 20000 mAh (nominal)
• Battery type: lithium-polymer
• Output ports: 2 × USB-A output for simultaneous charging
• Input: micro-USB or USB-C input for recharging the power bank (confirm port type on device)
• Charging indicators: multi-LED charge level display
• Protection features: overcharge, overcurrent and short-circuit protection
• Design: compact and travel-friendly housing

How to use

Charge the power bank fully before first use by connecting it to a compatible USB power source using the appropriate cable. To charge a device, connect the device’s USB cable to one of the USB-A output ports and press the power button if required; the LED indicators will show remaining capacity. For simultaneous charging of two devices, connect both devices to the two outputs and monitor charge status via the LEDs. Recharge the power bank when the indicator shows low battery to ensure availability when needed.

Recommendations

Use cables in good condition and match device input requirements to avoid slow charging. Store the power bank in a cool, dry place and avoid prolonged exposure to high temperatures. For long-term storage, keep the unit partially charged (around 50%) and recharge every few months to preserve battery health.