In a world where staying connected is non-negotiable, portable power solutions have become essential. Whether you’re a student juggling online classes, a professional on the move, or a traveler exploring remote destinations, the Xiaomi Power Bank 4i offers a reliable and efficient way to keep your devices charged. With its massive 20,000mAh capacity, 33W fast charging, and triple output ports, this power bank is engineered to meet the demands of modern tech users without compromising on style or safety.
Power That Lasts
At the heart of the Xiaomi Power Bank 4i is a high-density 20,000mAh lithium-ion battery, capable of charging smartphones, tablets, smartwatches, earbuds, and even portable speakers multiple times. Whether you’re powering a flagship phone or a low-consumption wearable, this power bank ensures you won’t be left stranded with a dead battery.
- Battery Capacity: 20,000mAh
- Charging Cycles:
- Smartphones: 3–4 full charges
- Earbuds: 15+ charges
- Smartwatches: 20+ charges
Its high capacity makes it ideal for long trips, power outages, or heavy daily usage.
33W Sonic Fast Charging
Speed is a standout feature of the Power Bank 4i. With 33W Sonic Charge support, it delivers rapid charging for compatible devices, significantly reducing downtime.
- Input & Output: USB Type-C (two-way fast charging)
- Charging Time (Power Bank): ~6.9 hours with 18W charger
- Device Charging Time:
- Xiaomi 15: ~27% in 30 minutes
- iPhone 16 Pro: ~56% in 30 minutes
- Redmi Note 14 Pro 5G: ~46% in 30 minutes
This level of performance rivals wall chargers, making it a powerful tool for users who need quick top-ups on the go.
Triple Device Charging
Multitasking is second nature to today’s users, and Xiaomi delivers with three output ports—two USB-A and one USB-C. You can charge three devices simultaneously, whether it’s your phone, tablet, and earbuds or a smartwatch, speaker, and camera.
- Ports:
- 2 × USB-A
- 1 × USB-C
- Smart Power Distribution: Automatically adjusts output based on device requirements
This feature is especially useful for families, commuters, and professionals who carry multiple gadgets.
Intelligent Features for Smart Charging
The Power Bank 4i isn’t just about brute force—it’s smart too. It includes a Low Power Discharge Mode, activated by double-pressing the power button, which is perfect for charging low-consumption devices like fitness bands and Bluetooth headsets.
- Low Power Mode: Prevents overcharging of small devices
- Smart Recognition Chip: Adjusts output to match device needs
- Two-Way Fast Charging: Charges itself and your device simultaneously
These features ensure safe, efficient, and optimized charging across a wide range of electronics.
Safety First: 12-Layer Circuit Protection
Xiaomi has equipped the Power Bank 4i with 12 layers of advanced safety protection, making it one of the safest portable chargers in its class.
- Protection Includes:
- Overcharge & Over-discharge
- Overcurrent & Overvoltage
- Short Circuit
- Temperature Control
- Electrostatic Shielding
- Metal Foreign Object Detection
- Chip Thermal Shutdown
This comprehensive safety net ensures peace of mind, especially when charging expensive or sensitive devices.
Design & Build: Sleek, Durable, and Travel-Ready
Despite its high capacity, the Power Bank 4i maintains a compact and portable form factor. It features a premium matte finish with an anti-smudge texture, making it both stylish and practical.
- Dimensions: 18.9 × 9.7 × 3.2 cm
- Weight: ~440g
- Material: Durable shell with scratch-resistant coating
- Color Options: Classic Black, Coral Purple, Olive Green
Its ergonomic design makes it easy to carry in backpacks, handbags, or even large pockets, making it a perfect travel companion.
What’s in the Box
- Xiaomi Power Bank 4i
- USB Charging Cable
- User Manual
- Safety & Regulatory Information
The inclusion of a high-quality cable and clear documentation ensures a smooth user experience right out of the box.
Pricing & Value
Priced at ₹1,999, the Xiaomi Power Bank 4i offers exceptional value for money. Compared to other 20,000mAh power banks with similar features, it stands out for its 33W fast charging, triple output, and robust safety features.
- MRP: ₹3,999
- Effective Price: ₹1,999 (after discounts)
- Warranty: 1 Year
This makes it a compelling choice for budget-conscious users who don’t want to compromise on performance or reliability.
Who Should Buy the Xiaomi Power Bank 4i?
This power bank is ideal for:
- Students who need to keep devices charged throughout the day
- Professionals who rely on multiple gadgets for work
- Travelers who need long-lasting power on the go
- Gamers & Streamers who demand fast charging
- Tech enthusiasts who appreciate smart features and safety
Its versatility and performance make it suitable for virtually anyone with a digital lifestyle.
Final Verdict
The Xiaomi Power Bank 4i is more than just a backup battery—it’s a full-fledged charging solution. With its massive capacity, lightning-fast 33W charging, multi-device support, and intelligent safety features, it redefines what users can expect from a portable power bank.
Whether you’re navigating a busy workday, embarking on a weekend getaway, or simply need a reliable power source for your gadgets, the Power Bank 4i delivers on all fronts. It’s a perfect blend of performance, safety, and style, making it one of the best choices in the sub-₹2,000 category.
