Free delivery on selected gadgets
Zeblaze Vibe 7 Pro Military Grade & Advanced Health Sensors
Rs6,499Rs9,999
Xiaomi Power Bank 4i 20000mAh
Free delivery on selected gadgets
Rs4,999Rs5,499
Notify me when available
Leave your email and our team will contact you when this product is available again.
Highlights
Read full specs
Brand
MI
Type
20000mAh
SKU
45953665368305
Availability
Out of stock
Product overview
Xiaomi Power Bank 4i 20000mAh 33W Sonic Charge — Stay Powered Anywhere
Keep your devices charged and ready with the Xiaomi Power Bank 4i 20000mAh 33W Sonic Charge. Designed for fast, efficient, and safe charging, this powered bank ensures uninterrupted power. Whether you’re charging your smartphone, tablet, earbuds, or other gadgets, experience blazing-fast 33w charging with two-way fast charge support.
Key Features:
- 🔋33W Sonic Charge — Enjou ultra-fast charging with 33W Power output, ensuring quick device refills.
- 🔄Two-Way Fast Charge — Recharge the power bank and charge your devices at 33W speed via the USB-C Port
- ⚡20000mAh Extra-Long Battery — Built with high-density lithium-ion cells, ensuring maximum efficiency and extended battery life.
- 🔌Triple Device Charging – Simultaneously power up to three devices with one USB-C and two USB-A Ports
- 🔋Low Power Discharge Mode – Ideal for safely charging low-power devices like smartwatches, earbuds and fitness bands
- ⚡Quick Charge 3.0 Support – Ensures faster and more efficient charging for compatible devices
Specifications
|
Feature |
Details |
|
Brand |
Xiaomi |
|
Model |
Power Bank 4i |
|
Battery Capacity |
20000mAh |
|
Charging Speed |
33W Sonic Charge |
|
Input Port |
USB-C |
|
Output Ports |
1XUSB-C, 2 X USB- A |
|
Fast Charging |
Quick Charging 3.0 |
|
Low Power Mode |
Yes |
|
Charging Time |
~6.9 hours (9V/2A Charger), ~10.5 hours (5V/2A Charger) |
|
Safety Features |
Overcharge Protection, OverCurrent Protection, Temperature Control. |
|
Compatibility |
Smartphones, Tablets, Smartwatches, earbuds, Bluetooth Speaker |
Why Choose Xiaomi Power Bank 4i?
- Superior Performance — High-efficiency lithium-ion battery for stable, long-lasting power.
- Premium Build Quality – Sleek, lightweight, and compact design for easy portability
- Universal Compatibility — Supports multiple devices with versatile charging options.
- Fast and Safe Charging — Advanced safety features to protect against overcharging, overheating, and short circuits.
Stay Powered up wherever you go with the Xiaomi Power Bank 4i 20000mAh 33W Sonic Charge — Your ultimate charging companion
Specification
VendorMI
Product type20000mAh
SKUNA
WarrantyGenuine products with official warranty- Since 2016AD
Customer Reviews
Based on 1 review
100%
(1)
0%
(0)
0%
(0)
0%
(0)
0%
(0)
R
Product ra brothermart ko service ramro lagyo thankyou
Special Buy 1 Get 1 FREE
Never Miss the Deal
Free delivery on selected gadgets
Samsung Galaxy A55 5G 6.6 Inches Super AMOLED Exynos Android 14 Mobile Phone
Rs62,999
Free delivery on selected gadgets
Samsung Galaxy A56 5G 6.7-inch SUPER AMOLED Exynos 1580 Dual SIM 50 OIS Camera Smartphone
Rs71,999
Free delivery on selected gadgets
Samsung Galaxy M35 5G Price in Nepal (2026) - 50MP OIS Camera
Rs45,999
Free delivery on selected gadgets
Ultimate Outdoor & Travel Gadget Combo: UGREEN Power Bank + Soundcore Speaker
Rs6,999Rs14,000
Free delivery on selected gadgets
Nothing Phone (3a) 6.77-inch 120Hz AMOLED 50MP Triple Camera Snapdragon 7s Smartphone
Rs61,999
Free delivery on selected gadgets
Samsung Galaxy S25 Ultra Android 15 Snapdragon 8 Elite 6.9-inch Dynamic LTPO AMOLED Smartphone
Rs199,999
Shoppers also bought
More gadgets that pair well with this product
Let customers speak for us
Superb watch in budget price , feature packed watch.Thank you Brothermart team.
Prasanna Pokharel
Zeblaze Stratos 4 Smartwatch (2026) - Built in Compass & Barometric Altimeter
Samsung Galaxy A37 5G Price in Nepal – Buy Now (Latest 2026 Edition)
Rojina Bhujel
Samsung Galaxy A37 5G 50MP OIS Triple Camera
कन्टेन्ट बनाउँदा निकै राम्रो साउन्ड आउँछ, मैले त यति राम्रो हुन्छ भनेर सोचेको पनि थिइनँ|
Shreeram Tiwari
Ultima Clear Mic - Wireless Microphone for Creators
सोचेको भन्दा पनि अझ राम्रो लाग्यो यसको साउन्ड र डिजाइन।
Sashi Thapa
The Waves Player Vintage Record Player Speaker
Anker Soundcore R50i NC(2026)- Wireless Earbuds with Adaptive ANC
Sumit Singh
Anker Soundcore R50i NC(2026)- Wireless Earbuds with Adaptive ANC
excellent
excelent sound quality
Mahendra Paudel
Anker Soundcore Select 4 Go Speaker Price in Nepal(2026) - 20H Playtime IP67 5W Audio
Authentic and verified service.
Bishnu Prasad Adhikari
Video Calling Kids Smartwatch-LBS Tracking & Calling
So far so good, sound quality was the best among other features. Thank you brother mart
Mishan Bhattarai
Redmi Buds 5A Price in Nepal (2026) - AI Environmental Noise Cancellation
boom 311 is not a porfoming on 120 mint play time
Boom 311 air birds kam xaina raxa 120 mint play time lekhera matra hunna backup dina nasakne raixa :30 mint pani ramari chaldaina..mero yo returna garnu paro..
rohit regmi
Ultima Boom 311
Fantastic !! Sachi nai dherai ramro lagyo
Ram baral
UGREEN 45W USB-C GaN Fast Charger With Intelligent Power Adjustment
Good service
Good performance
Rai Kalpana
Samsung Galaxy A55 5G 6.6 Inches Super AMOLED Exynos Android 14 Mobile Phone
Brothermart लाई धेरै धेरै धन्यवाद यही इयरबड मेरो साथीले पहिले ६ हजार रुपैयाँमा किनेको थियो, तर अहिले मलाई मात्र ४ हजार पर्यो। साँच्चिकै राम्रो डिल पाएकोमा धेरै खुशी छु।
Bikram Maharjan
Anker Soundcore R50i NC(2026)- Wireless Earbuds with Adaptive ANC
यो प्रयोग गरेपछि एकदमै रमाइलो लागेको छ, साँच्चिकै धेरै राम्रो छ। यसको चार्ज पनि धेरै समयसम्म टिक्छ। Brothermart लाई धेरै धेरै धन्यवाद।
Binod Yadav
SKE POE-830P-LFP Mini UPS 20000mAh for Router & Modem
Yo maile Hajur ko tiktok bata dekhera kineko Sarai man paryo sound
Aman mukhiya
Anker Soundcore Select 4 Go Speaker Price in Nepal(2026) - 20H Playtime IP67 5W Audio
Service request
Book a Repair
Tell us what needs repair and our team will contact you shortly.