The Mi Power Bank 3i (20000 mAh) is a portable powerhouse designed for charging smartphones, tablets, and other gadgets multiple times on a single charge. Featuring a lithium-polymer battery, it delivers reliable power and fast charging in a slim and durable body.
Support for 18 W fast charging and Power Delivery ensures efficient recharging of both the power bank itself and connected devices. Dual input (USB‑C + Micro‑USB) allows flexible recharging options, while triple output ports let you simultaneously charge up to three devices.
Built with 12‑layer circuit protection, it safeguards against overcharge, short-circuit, and over-current. The smart power management mode enables safe charging for low-current devices like Bluetooth earphones and fitness bands. LED indicators display the remaining power level, and the aluminum casing resists sweat and corrosion.
This 20000 mAh variant typically takes around 7 hours for a full charge and supports two-way fast charging, making it a reliable travel companion.
✅ Key Features
- Capacity: 20000 mAh lithium‑polymer battery
- Fast Charging: 18 W PD input and output
- Ports: Dual input (USB-C + Micro-USB), triple output (USB-A ×2, USB-C ×1)
- Protection: 12‑layer chip safeguards
- Smart Mode: Low‑power charging for small gadgets
- Indicators: LED level display
- Design: Slim aluminum finish, durable and sweat-resistant
- Charge Time: ~7 hours full recharge