Compare watt-hours
Compare watt-hours, not only marketed mAh.
Expert reviews. One COR Score.
Kensington 10400 USB Mobile Charger — Silver reviews
Brand: Kensington
tbd
Compare Kensington 10400 USB Mobile Charger — Silver reviews, specifications and available UK retailer offers. Check the details for this exact model and follow the original critics’ findings.
Manufacturer codeK38219WW
The product, explained
About the Kensington 10400 USB Mobile Charger — Silver
Kensington K38219WW is listed in the power banks category. The recorded specifications include battery capacity: 10400 mAh. This entry covers manufacturer code K38219WW. Specifications relate to this exact source record; other editions or packages may differ.
For Kensington 10400 USB Mobile Charger — Silver, the recorded details include battery capacity: 10400 mAh; number of simultaneously connected devices (max): 1; weight: 255 g. Use these facts to narrow a shortlist, then compare the reviewers’ findings on the features that matter for your use.
- Battery capacity
- 10400 mAh
- Maximum devices charged together
- 1
- Weight
- 255 g
Make it work for you
Before choosing the Kensington 10400 USB Mobile Charger — Silver
List simultaneous charging needs
List simultaneous devices and their required charging power.
Verify USB-C PD chain
Verify USB-C PD support on bank, cable and device.
Check recharge arrangements
Check recharge time and whether a suitable wall charger is included.
Independent perspectives
Expert reviews 0
Independent ratings, converted to the same five-point scale. Each card links to the original review and identifies the available evidence.
No scored critic reviews have been imported for this exact product yet. It remains unrated.
Independent reviews, made comparable
What does the COR Score mean?
One consistent scale makes different publishers’ ratings easier to compare. The original review still tells you why a critic reached that verdict.
Read our scoring methodology →Scale conversion · example
8/ 104.00/ 5
An illustration of conversion, not this product’s rating.
Check the match
Identify the exact model and the version reviewed. Check the manufacturer code, configuration and supplied accessories.
Compare on one scale
Convert usable ratings to five points, count each publisher once and give each critic equal weight.
Require three critics
Show the average to two decimal places after three distinct critics. Otherwise display tbd, keeping individual reviews visible.
Find the best fit by considering the score alongside the critic count, review dates, tested version and the strengths that matter to you. Eligible model-level reviews identify the tested configuration. Reviews of different hardware are shown separately and do not enter this product’s COR Score.
Know exactly what you’re buying
Kensington 10400 USB Mobile Charger — Silver specifications
Manufacturer code: K38219WW · Icecat product 24706757 · Checked 23 Sep 2026. Specifications belong to this exact model.
Key specifications
The main features to compare for this exact model. Missing details are not assumed.
| Battery capacity | 10400 mAh |
|---|---|
| Maximum devices charged together | 1 |
| Weight | 255 g |
More product specifications
Open a section for the details that matter to you.
Connections & wireless1 detail
| Input interface | Micro-USB |
|---|
Power & battery7 details
| Power bank & device charging at once | Yes |
|---|---|
| Charging source | AC |
| Input voltage | 5 V |
| Input current | 1 A |
| Output voltage | 5 V |
| Output current | 2.1 A |
| Battery technology | Lithium-Ion (Li-Ion) |
Design & dimensions4 details
| Product colour | Silver |
|---|---|
| Width | 91 mm |
| Depth | 77 mm |
| Height | 22 mm |
Software & compatibility1 detail
| Charger compatibility | Mobile phone/Smartphone, Tablet, MP3/MP4, GPS, E-book reader |
|---|
Specifications describe the supplied product data, not measured review results. Battery life, range and performance figures are source claims and can vary with use.
Build your shortlist
Compare other power banks
More products in this category. Compare their exact features, original reviews and available offers alongside the Kensington 10400 USB Mobile Charger — Silver.
| Product | Brand | Shown model | COR Score |
|---|---|---|---|
| Celly ALU reviews → | Celly | PB10000ALUSVAluminium, Black | tbd0 critic reviews · Available after 3 |
| Celly PB4000ALUGD reviews → | Celly | PB4000ALUGDBlack, Gold | tbd0 critic reviews · Available after 3 |
| DELL Y4DTW reviews → | DELL | Y4DTWBlack | tbd0 critic reviews · Available after 3 |
| Duracell LADER3UUR reviews → | Duracell | 5000394047365Pink | tbd0 critic reviews · Available after 3 |
Your questions, answered
Kensington 10400 USB Mobile Charger — Silver FAQs
How many expert reviews are available for Kensington 10400 USB Mobile Charger — Silver?
No scored critic reviews have been imported for this product yet. This means review coverage is missing; it does not mean the product received a poor review.
What is the COR Score for Kensington 10400 USB Mobile Charger — Silver?
The COR Score is tbd. We publish a combined score only after at least three distinct critics have usable ratings. Any individual reviews already available remain visible.
Which exact version does this page cover?
This page identifies Kensington 10400 USB Mobile Charger — Silver using manufacturer code K38219WW. Check that code, configuration and supplied accessories against the retailer listing. Related-version reviews are labelled separately and do not contribute to this version’s score.
What is the listed battery capacity for Kensington 10400 USB Mobile Charger — Silver?
The source specification records battery capacity as 10400 mAh. This is a specification, not an independent performance measurement. Check the exact model and the original critic reviews for real-world results.
What is the listed number of simultaneously connected devices (max) for Kensington 10400 USB Mobile Charger — Silver?
The source specification records number of simultaneously connected devices (max) as 1. This is a specification, not an independent performance measurement. Check the exact model and the original critic reviews for real-world results.
Where can I compare prices for Kensington 10400 USB Mobile Charger — Silver?
Use the retailer-offer section on this page for available matched offers. If no offer is shown, we do not currently have a verified price. Confirm model, stock, delivery and the final total at the retailer; coverage does not include every seller.
How many phone charges will it provide?
It varies with phone battery size, voltage conversion, cable and use. Treat advertised figures as estimates and compare watt-hours.
Can it charge a laptop?
Only if the power bank, cable and laptop support a compatible USB-C power level. Check all three.
Can I put it in checked luggage?
Check the airline rules before travel. Spare lithium-battery rules can differ by carrier and route.
How should I use the specifications alongside reviews?
Use the recorded features to check compatibility and make a shortlist. Read the original reviews for measured performance, everyday use and the tested configuration.
Understand your options
Power bank buying guides
Explore one topic in depth before making your shortlist.
Start with the complete buying guide →Power bank capacity explained: how much do you really need?Power-bank capacity is usually stated for its internal cells, not as energy delivered at a phone’s charging voltage. Conversion and cable losses mean the useful output is lower, so capacity is best used…USB Power Delivery power banks explainedMatch the bank, cable and device around a shared USB Power Delivery profile rather than the USB-C connector shape.Power bank ports and cables: avoiding charging bottlenecksPlan simultaneous charging around port direction, shared output and cables rated for the required power.Travelling with a power bank: capacity and safety checksIdentify watt-hours, protect the battery and check the current carrier rules before every flight.