Xiaomi
Xiaomi Zmi No.20 210W 25000mah USB PD Power Bank QB826
Best high capacity portable power for demanding users and multiple devices.
This power bank offers a massive 25000mAh capacity and a powerful 210W maximum output, making it ideal for charging laptops, tablets, and smartphones on the go. It features two USB-C ports and one USB-A port, supporting USB Power Delivery for fast charging of compatible devices. The robust build quality ensures durability, and the included LED indicator provides clear battery status. While it's a bit heavy and bulky, its performance and versatility make it an excellent choice for travelers and professionals who need reliable power away from an outlet. The power bank also supports pass-through charging, allowing it to be charged while simultaneously powering other devices.
$106.00
Owner Satisfaction
4.6
/ 5
Category Rank
154
/ 1822
#154 in Power Adapter & Charger Accessories
Price vs Category Average
+26%
Above average
Model
826
/ QB
Who it's for
- Professionals and students needing quick laptop charges on the go
- Travelers, remote workers, and anyone needing reliable, long-lasting power
- Tech enthusiasts and users with diverse gadgets requiring fast charging
Who should skip it
- Commuters and minimalists prioritizing lightweight, compact accessories
- Budget-conscious consumers seeking basic, affordable portable charging solutions
- Impatient users expecting instant readiness from their high-capacity power sources
Performance breakdown
Charging Speed
Industry-leading output handles high-drain laptops and mobile devices with ease.
Capacity Density
Massive 25000mAh reserve keeps multiple devices powered through long travel days.
Port Versatility
Triple-port configuration supports simultaneous charging for diverse hardware ecosystems.
Portability
Substantial weight and bulk make it better for bags than pockets.
Recharge Efficiency
Rapid input support minimizes downtime when topping up the power bank.
Build Durability
Robust plastic housing withstands the rigors of frequent transit and use.
Key Specs
Model
QB826
Size
188.6 × 80.4 × 27.1 mm, 578g
Battery Type
Lithium Ion Battery
Battery Energy
90.7Wh, 25000mAh
Rated Capacity
14000mAh (5V/6A)
Input Port
USB-C
Output Port
USB-A, USB-C
Input Parameters (IN1)
5V=3A, 9V=3A, 12V=3A, 15V=3A, 20V=3.25A (65W MAX)
Features
- Massive 25000mAh Capacity
- 210W Maximum Output
- Fast Charging with USB PD
- Charges Laptops and Multiple Devices
- Pass-through Charging
- Durable Build Quality
- Clear LED Battery Indicator
What customers say
Customers consistently praise this power bank for its exceptional reliability and impressive charging performance. Its high capacity and rapid power delivery capabilities make it a go to solution for charging multiple devices including laptops. Users frequently highlight the robust build quality and the peace of mind it offers during travel or extended use. Despite its larger size, the perceived value for money is very high given its powerful output and dependable operation, making it a favorite among power users.
Know before you buy
Yes, with a maximum output of 210W, this power bank is specifically designed to handle high-power devices like MacBooks and other USB-C laptops. It provides enough power to keep your laptop running or charge it quickly while you are away from a wall outlet.
When using a 65W charger, the Zmi No.20 takes approximately 2.5 hours to reach a full charge. It is recommended to use a high-wattage USB-C charger to ensure you hit these charging speeds.
Yes, it supports pass-through charging, which allows you to charge the power bank while simultaneously using it to power or charge your connected devices. This is particularly useful when you only have one wall outlet available.
At 578g and with its bulky dimensions, it is quite heavy and substantial. While it is excellent for professional travel or long trips where you need maximum power, it may be too large for a small everyday bag or pocket.
Yes, the power bank features two USB-C ports and one USB-A port, allowing you to charge up to three devices simultaneously. The total output power is distributed across these ports, with a maximum combined output of 200W.
The power bank is compatible with most modern smartphones, including iPhones and Samsung Galaxy devices, thanks to its support for USB Power Delivery. It will automatically detect the required power profile for your device to ensure safe and efficient charging.
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$106