01The 60-second inspection
The fastest way to spot a fake charger is the label. Genuine chargers print clear input and output ratings, a model number and a safety listing mark, all crisp and correctly spelled. Fakes copy the logo on the front and get careless with the small print.
Pick up the charger, turn it over in good light, and go through this list. One odd detail can be a cosmetic quirk. Two or three together is a pattern.
02Genuine vs counterfeit, side by side
| Detail | Genuine charger | Typical fake |
|---|---|---|
| Label printing | Crisp, complete, consistent fonts | Blurry, misspelled, missing ratings |
| Safety marks | Listing mark with a traceable number | Mark missing, misshapen or with no number |
| Weight | Solid for its size | Noticeably light, can feel hollow |
| Build | Tight seams, solid prongs | Gaps, wobbly prongs, rough edges |
| Price | In line with the brand's usual price | Far below it, often bundled in multipacks |
| When charging | Warm at most | Hot, buzzing, slow or cuts out |
Weight is a useful clue but not a verdict on its own. GaN chargers are lighter than older silicon designs, so a light charger isn't automatically fake. Compare like with like: the same model, from the same brand.
03What the safety marks actually tell you
The symbols on a charger aren't all equal. Some mean an independent lab tested it for fire and shock risk. Others are a manufacturer's own declaration, which is easy to print on anything.
- UL Listed / ETL Listed
- Tested by a Nationally Recognized Testing Laboratory for US safety standards. The strongest sign on a US charger. UL's Product iQ database lets you look up the file number.
- FCC
- Covers radio interference, not fire or shock safety. Useful, but not a safety test.
- CE
- A European conformity mark the manufacturer declares itself. Easy to fake and proves little on its own.
- USB-IF certified logo
- The product passed the USB Implementers Forum's compliance program. More common on cables than wall chargers.
- Qi / Qi2 logo
- For wireless chargers. The Wireless Power Consortium keeps a public database of certified products.
- MFi ("Made for iPhone")
- Apple's program for Lightning accessories. Counterfeit Lightning cables often skip it, and iPhones may show an alert.
A mark is only as good as its traceability. If the charger shows a UL logo but no file number, or the number doesn't match the product in the database, treat it as unverified.
04Warning signs while it's charging
- It gets hot, not just warm, within a few minutes. Good chargers stay comfortable to hold.
- It buzzes or whines loudly. A faint hum can be normal; a loud or changing noise isn't. More in why a charger buzzes.
- Charging stops and starts, or the phone shows charging then not charging in a loop.
- Your iPhone shows "This accessory may not be supported" with a Lightning cable or adapter. See what that alert means.
- Your phone charges far slower than the label promises, even with a good cable.
- The touchscreen goes jumpy only while plugged in. Poorly filtered chargers can cause it.
- A burning smell, scorch marks or sparks at the outlet. Unplug immediately.
If a charger is too hot to hold or smells of burning plastic, unplug it at the wall (by the plug, not the cable), let it cool on a hard surface away from anything flammable, and don't use it again.
05Got a charger you don't trust? Do this
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Stop using it overnight
Unattended charging is where a bad charger does the most damage. Swap it out of the bedroom first.
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Don't open it
Chargers hold capacitors that can stay charged after unplugging. There's nothing to fix inside, and a counterfeit isn't worth the risk.
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Report it if you bought it as genuine
Contact the seller or marketplace for a refund. Most take counterfeit reports seriously, and it protects the next buyer.
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Recycle it as e-waste
Drop it at an electronics recycling point. Many large electronics and office stores in the US run take-back bins.
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Replace it with something traceable
Buy from the brand directly or a retailer that lists clear specs, output per port and safety listing.
Already reached for a replacement? How to choose a phone charger covers the wattage and protocol to look for, so the new one is fast as well as safe.
06Buying so it doesn't happen again
Counterfeits mostly copy famous brands, because that's where the markup is. You're far less likely to get one when you buy a charger sold under its own name, with full specs on the listing, from the store that sells it. Big discounts on brand-name chargers in multipacks, from sellers with no history, are where fakes cluster.
Whoever you buy from, read the output and port details on the product page. If a spec matters to you and isn't listed, ask the seller before buying rather than assuming.
USB-C Power Delivery wall chargers from single-port to multi-device.
Questions people ask
Are fake chargers dangerous?
They can be. Counterfeits often skip insulation, fuses and temperature protection, which raises the risk of overheating, electric shock and damage to your phone. Not every fake fails, but there's no way to tell which ones will.
How can I tell if my Apple charger is real?
Compare it with photos on Apple's site: printing should be crisp and complete, the seams tight and the finish even. Buy from Apple or an authorized reseller. For Lightning cables and accessories, look for the MFi "Made for iPhone" badge on the packaging.
Can a fake charger damage my phone?
Yes. Poor voltage regulation can stress the battery or charging circuits, and electrical noise can make touchscreens act up. Phones have their own protections, but a bad charger works against them every time you plug in.
Is a cheap charger the same as a fake one?
No. An inexpensive charger sold honestly under its own brand can be perfectly safe if it's properly listed and rated. A fake pretends to be a brand it isn't. The warning sign is a famous brand at a price far below normal.
What does UL Listed mean on a charger?
It means UL, a nationally recognized testing lab, evaluated that product design against US safety standards for fire and shock. You can check the file number printed on the charger in UL's online Product iQ database.