Power banks · Product spotlight
Anker Nano 10K: a short cable for lighter travel
A compact 10,000mAh bank with an integrated USB-C lead. Check shared power and your phone’s connector.
Researched

Our recommendation
Useful for phone top-ups without packing a separate USB-C lead. Choose a larger, higher-output bank for demanding laptops or several devices charging quickly together.
- Cell capacity
- 10,000mAh, made from two 5,000mAh cells
- USB-C maximum
- 30W input or single-output charging
- Shared output
- 24W maximum total when charging multiple devices
One black A1259 with integrated USB-C cable and guide; no wall charger.
Affiliate links may earn us a commission. Check the exact variant and current price. Specifications are manufacturer claims, not our own test results.
Pack around one main device

Nano A1259 is a practical shape for someone who mainly needs phone power during a commute or day out. Its integrated USB-C lead removes one loose cable from that routine, while the display makes the remaining reserve easier to check.
The selected product is the black 10,000mAh model. Anker uses Nano across several accessories, so match A1259 and the built-in cable rather than buying by the family name alone.
Check reach and connector fit
The attached cable is convenient when the bank and phone stay close together. It is less flexible when you want to use the phone far from a bag or socket. Check clearance around a thick case before relying on it.
USB-C and USB-A sockets remain available for separate leads. Older Lightning iPhones need the appropriate cable; the integrated USB-C connector cannot plug directly into their charging port.
Read thirty watts as a ceiling
The bank can supply up to 30W through one USB-C connection, but a phone only takes a supported charging profile. Battery temperature, state of charge and the device’s own limits also affect speed.
Multiple connected devices share a 24W total budget. This is therefore a different proposition from giving every port its headline output at once. Prioritise the device that needs a quick top-up rather than expecting three simultaneous fast charges.
Plan the return journey

Recharging the bank itself needs a compatible power adapter, which is not supplied. The built-in cable can serve as an input, or you can use the USB-C socket with another lead.
The displayed time is an estimate. Allow margin before leaving and keep a suitable charger where you normally unpack. Capacity also declines with use; the advertised cell capacity is not the amount delivered unchanged to a phone battery.
Choose portability over a laptop reserve
This model suits phones, earbuds and modest USB-C loads. Its USB-A low-current mode helps with small accessories; USB-C adjusts automatically. A larger bank is more suitable when long laptop sessions are the main reason to carry extra power.
We have not measured conversion efficiency, temperature or charging curves. Choose Nano for its documented size and cable arrangement, with the power table as the compatibility check rather than a promised charge count.
Technical details
Specifications and compatibility.
| Specification | Details |
|---|---|
| Cell capacity | 10,000mAh, made from two 5,000mAh cells |
| USB-C maximum | 30W input or single-output charging |
| Shared output | 24W maximum total when charging multiple devices |
| Linked version | Black A1259 with built-in USB-C cable; B0C9CJKCH3 |
| Connections | Integrated USB-C lead, USB-C socket and USB-A socket |
| USB-C input profiles | 5V/3A, 9V/3A, 15V/2A, 20V/1.5A |
| USB-C output profiles | 5V/3A, 9V/3A, 10V/2.25A, 12V/2.5A, 15V/2A, 20V/1.5A |
| USB-A maximum | 22.5W single output |
| USB-A profiles | 5V/3A, 9V/2A, 10V/2.25A, 12V/1.5A |
| Dimensions | 104 × 52.3 × 26mm |
| Weight | 215g |
| Display | Remaining percentage and estimated charging/recharging time |
| Low-current devices | USB-A trickle mode via double press; USB-C adjusts automatically |
| Recharging | Through built-in USB-C cable or USB-C socket; compatible adapter separate |
| Device charging rate | Negotiated with connected device; advertised maximum is not universal |
| Delivered capacity | Lower than cell capacity after voltage conversion and losses |
| Cable replacement | Built-in cable is not a detachable spare lead; USB sockets offer another connection |
| Lightning devices | Need a separate compatible Lightning cable |
| Wireless charging | None |
| Quantity / package | One power bank with integrated cable and documentation |
| Laptop use | Host must accept available USB-C profiles; 30W is limited for demanding laptops |
A good fit if…
You mainly charge a USB-C phone and value a compact bank with its cable attached.
Keep in mind
24W shared output; charger separate. Attached cable has limited reach, and 30W may not meet a laptop’s needs.
