1 / 6Autallgee ATG009B 100cm Magnetic Samsung Galaxy Watch Charger
The Autallgee ATG009B is a 100cm USB-A magnetic charging cable listed for a range of Samsung Galaxy Watch models. Its broad claimed compatibility and cable length may suit a replacement or travel charger, but feedback is mixed on charging speed, Watch 8 compatibility, durability and heat.
At a glance
- Magnetic charging head is listed for alignment on compatible watches.
- USB Type-A connection and 100cm cable length.
- Listing names a range of Galaxy Watch models, including Watch 9, but warns that older stock may not support it.
- Manufacturer says a short-circuit protection IC is built in. This is a claim, not an independently verified safety result.
Reference price: £5.99
Price checked: 12 Nov 2026
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Pros and cons
Pros
- The 100cm lead offers more placement flexibility than a very short charging lead.
- Magnetic attachment is intended to position the watch at the charging point.
- The stated USB Type-A connection can be used with a compatible USB-A power source.
Cons
- Customer feedback includes reports of the cable becoming hot during use.
- Charging speed and durability receive mixed feedback.
Technical specifications
16 specifications| Brand | Autallgee |
|---|---|
| Model | ATG009B |
| Country of origin | China |
| Connection | USB |
|---|---|
| Connector type | USB Type A |
| Connector gender | Male-to-Male |
| Number of pins | 2 |
| Wattage | 2.5 watts |
| Maximum voltage | 5 Volts (DC) |
| Cable length | 100 Centimetres |
|---|---|
| Recommended use | Charging |
| Indoor or outdoor usage | Indoor |
| Special features | Lightweight, Magnetic, Travel |
| Compatible devices | For Samsung Galaxy Watch 9/8/8 Classic/Ultra/7/6/6 Classic/5/5 Pro/4/4 Classic/3/Active 2/Active/FE. Not for Galaxy Gear Series, Galaxy Fit and Other Watches |
| Product warranty | 36 months |
|---|---|
| Number of items | 1 |
What to know before buying
- The listing says Watch 9 support was added in an upgrade but that limited older stock does not support it. Customer feedback also includes reports of Watch 8 incompatibility, so confirm the selected unit's revision and your exact watch model before buying.
What’s in the box
Included- Power adapter
Who is it for?
A good fit for
- Samsung Galaxy Watch owners seeking a 100cm USB-A replacement charging cable, provided their model and cable revision are compatible.
- Buyers who prefer a magnetic charging connection and already have a suitable USB-A power source.
Less suited to
- Owners of Galaxy Gear or Galaxy Fit models, which the listing excludes.
- Buyers who need assured Watch 8 compatibility, a specific charging speed or a proven heat-performance record.

Customer reviews on Amazon
- 5 stars
74% 74% - 4 stars
12% 12% - 3 stars
6% 6% - 2 stars
2% 2% - 1 star
6% 6%
Customer feedback highlights the magnetic hold, cable length and USB connection as positives. Reports on charging speed, compatibility and durability are mixed, including concerns about Watch 8 compatibility, while some customers say the cable gets hot during use. These experiences matter when choosing a replacement, particularly if you need dependable compatibility with a newer watch or plan to charge unattended. The listing gives a 100cm length and USB-A connection, but those specifications do not settle the reported performance concerns.
Positive themes
- Customers appreciate the magnetic hold, cable length and USB connection.
Negative themes
- Customers report that the cable can get hot during use.
Mixed feedback
- Feedback is mixed on charging speed, compatibility and durability, including Watch 8 compatibility.
Frequently asked questions
Which watches does the listing say this charger supports?
It lists Galaxy Watch 9, 8, 8 Classic, Ultra, 7, 6 and 6 Classic, 5 and 5 Pro, 4 and 4 Classic, 3, Active 2, Active and FE. It excludes Galaxy Gear and Galaxy Fit. The listing also says older stock may not support Watch 9.
What connection does it use?
The listed connector is USB Type-A, and the connection technology is USB. You will need a suitable USB-A power source.
Is the cable 1 metre long?
The listed length is 100 Centimetres.
What should I know about charging performance?
Customer feedback is mixed on speed and includes reports of heat during use. The listing specifies 2.5 watts and 5 Volts (DC), but it does not establish a guaranteed charging time.

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