Miady Slim Power Bank 10000mAh 2 Pack
- 2 power banks, 10000mAh each, 37Wh
- 3 outputs and 2 inputs per the title; 4 ports in specs
- 2.4 A output at 3.7 volts
- Lithium polymer cells, flight-safe per the title
- 7.09 x 5.51 x 0.79 inch listed size
- 18 month warranty
Last refreshed Sep 7, 2026 · Based on the Amazon listing and published specifications, not hands-on testing.
A twin pack of slim power banks for sharing between bags or people. The port count differs between the title and the specs, and charging speed is limited by the listed current.
As an Amazon Associate I earn from qualifying purchases. ProductDome earns a commission when you buy through links on this page.
ASIN: B0GQH1QHDHModel: AS-TPB21Category: Portable Power Banks
Colors Available
Need a different one? Pick on Amazon →
Overview
Not a single battery, this is a pair of slim power banks with matching capacity, sold as a black and white set. Each has USB outputs and inputs, LED indicator lights and auto shut-off.
Two batteries in one box suit a couple or a pair of bags, and the flight-safe capacity is stated in watt hours. The title and the spec list disagree on port count, so check the product images for the exact outputs.
Who it's for
Couples, students and campers who split a pack between two bags will use both units. Laptop users and anyone after a single large capacity bank should look at a different product.
Pros and cons
- Two power banks in the box
- Flight-safe capacity stated
- LED indicator lights
- USB-C cables included
- Port count conflicts in the listing
- Only one current figure stated
- Weight figure scope unclear
Performance notes
Capacity in watt hours decides how many phone charges the bank holds, and conversion losses mean real delivery is lower than the rating. Output is limited by the listed current, so tablets charge more slowly than phones. Auto shut-off ends charging when a device is full, and LED lights show the charge state.
Specifications
| Brand | Miady |
|---|---|
| Model | AS-TPB21 |
| Dimensions & fit | |
| Battery Weight | 230 g |
| Weight | 437 g |
| Dimensions | 7.09 x 5.51 x 0.79 inches |
| Capacity & performance | |
| Battery Capacity | 10000 mAh (37Wh) each |
| Output Current | 2.4 A |
| Power & efficiency | |
| Battery Cell Type | Lithium Polymer |
| Voltage | 3.7 volts |
| Construction & materials | |
| Color | Black+White |
| Compatibility & installation | |
| Compatible Devices | Android smartphones, tablets and iPads, iPhone 17/16/15/14/13/12/11 series, iPhone X/XS/XR/8/7/6/5 series |
| Included components | |
| Included Components | 2 portable chargers, 2 USB-C cables, 1 user manual |
| Warranty & support | |
| Warranty Description | 18 Months |
| Other details | |
| Number of Ports | 4 per specs; 3 outputs and 2 inputs per the title |
| Number of Items | 2 |
| Features | Auto Shut-Off, LED Indicator Lights, Lightweight, Slim |
Closest rivals on specs
iWALK Small USB-C Power Bank 4500mAh- Battery Capacity 10 vs 4.5 amps (+122%)
- Battery Weight 0.51 vs 1 pounds (-49%)
- Item Weight 0.96 vs 0.38 pounds (+153%)
Anker 165W Laptop Power Bank 25000mAh- Amperage 2.4 vs 5 amps (-52%)
- Battery Capacity 10 vs 25 amps (-60%)
- Battery Weight 0.51 vs 0.66 pounds (-23%)
HELLEE N18 Power Bank with Built-in Cables 15000mAh- Amperage 2.4 vs 3 amps (-20%)
- Battery Capacity 10 vs 15 amps (-33%)
- Battery Weight 0.51 vs 0.44 pounds (+16%)
Frequently asked questions
What comes in the Miady 2-pack power bank set?
Two portable chargers, two USB-C cables and one user manual.
Can the Miady power bank go on a plane?
The title says flight-safe and gives 37Wh. Airline rules still decide, so check with the carrier.
How many ports does the Miady power bank have?
The title says 3 outputs and 2 inputs, while the spec list says 4 ports. The listing does not reconcile the two.