USB-C chargers.
The right watts, first time.
Start with the watts you need: about 20 to 30W for a phone, 30 to 45W for a tablet, 65 to 100W for most laptops, and 100 to 140W for a large or gaming laptop.
A higher-wattage charger never harms a smaller device, it simply gives it only what it asks for. So buy for the biggest thing you charge.
Below, a pick for each job, from a compact 20W wall charger to a 140W laptop brick, plus multi-port GaN and Type-C desktop chargers. Every charger is judged on what it sustains under real load, not the number on the box, with named independent lab data credited for the hard figures.
Affiliate disclosure: If you buy through links on this site we may earn a commission, at no extra cost to you. Commissions fund the kit we buy. Read the full disclosure.
SmartGadgetKit tests USB-C and GaN chargers for people who care what reaches the device, not what the box claims. We cover compact wall chargers, multi-port desktop chargers, laptop-class 100W and 140W bricks, iPhone and Samsung fast chargers and wireless pads, plus the plain-English guides around them: what GaN actually buys you, how many watts your laptop needs, and what USB Power Delivery means.
Every verdict combines hands-on use by the SGK team with named independent lab data, scored against one published rubric. Hard numbers are credited to their source, nothing is sponsored, and the mAh to Wh calculator and the explainer guides are free to use with no sign-up.
Every best-of pick gets re-checked against stock and independent lab data before a refresh goes out.
“My magnetic bank is back on night shifts. It lives on the phone, that’s the whole point.”
What are you charging?
Jump to the shortlist for your device. Each one links a best-of guide with a named winner and the runner-up that beats it at something.
An iPhone
Fast USB-C chargers for every iPhone, from a compact 20W wall charger to a multi-port brick.
A laptop
USB-C chargers with the sustained wattage to run a real computer, rated under load.
A Samsung phone
Chargers that hit Samsung Super Fast Charging, and the wattage you actually need.
A trip abroad
GaN travel chargers with swappable plugs for Europe, the US and Asia in one body.
Wirelessly
Qi2 and MagSafe pads and stands for a cable-free desk or bedside.
Older kit too
Chargers that keep a USB-A port for the cables and devices you already own.
Find your best charger.
Pick the job, compare the shortlist, then see which charger wins and who should ignore it. No brand spoilers here.
Best GaN chargers
Compact USB-C wall and desktop chargers compared on real, sustained output, port layout and value.
Explore GaN chargers OUTPUT · PORTS · EFFICIENCYBest USB-C laptop chargers
The chargers with the sustained wattage to run a real laptop, rated under load, not at the peak.
Explore laptop chargers WATTAGE · PORTS · SIZEBest iPhone chargers
Fast USB-C chargers for every iPhone, ranked from the value pick to the multi-port desk workhorse.
Explore iPhone chargers SPEED · PORTS · VALUEBest fast chargers for Samsung
The chargers that actually trigger Samsung Super Fast Charging, with the wattage each Galaxy needs.
Explore Samsung chargers PPS · WATTAGE · VALUEBest wireless chargers
Qi2 and MagSafe pads and stands compared on real charging speed, fit and desk-friendly design.
Explore wireless chargers SPEED · FIT · DESIGNBest travel chargers
GaN chargers with swappable international plugs, compared on size, wattage and real-world coverage.
Explore travel chargers SIZE · PLUGS · WATTAGEWatts, not the sticker.
A charger’s headline wattage is one port, flat out, for a moment. What counts is what it sustains under load: which of your devices it runs at full speed, and what drops when a second and third cable go in.
Heat is the real limit.
Anything can hit its peak for a second. Named independent lab data on sustained output and case temperature sits beside what the charger is like after a month in a bag. A charger that throttles when it warms up loses marks, however good its peak looks.
Size is the whole point of GaN.
GaN chargers pack the same wattage into a much smaller, lighter body, so one charger replaces a bag of bricks. We note the size and weight of every charger and say what that buys you, and when the older, cheaper design is fine for a desk that never moves.
Anker vs UGREEN.
Which brand should you buy?
The two brands most people choose between. Compare build, port layout, real wattage and value across their charger ranges, then see our verdict by use case.
Read the full comparisonSee the tested scores, side-by-side trade-offs and which cable is the better fit for your setup.
Three rules. No exceptions.
SmartGadgetKit reviews charging tech with hands-on testing, named independent lab data and one published scoring rubric.
Independent
No sponsored reviews and no manufacturer sees a verdict before you do. Commissions never change a score.
Evidence-backed
Hands-on testing by our team, corroborated with named independent lab data. Every hard number has a source.
Real people
A network engineer and a nurse, not a content farm. If we wouldn’t carry it, we won’t recommend it.
The two people behind every verdict.
One reads the lab data. One asks the questions spec sheets never answer. Both carry the kit.
Alisdair
Network engineer, 9 years · The spec sheet whispererReads the lab data, checks it against the spec sheets, and translates wattage into plain English. Every best-of pick gets re-checked against stock and independent lab data before a refresh goes out.
All of Alisdair’s reviewsDarleene
Nurse · The everyday perspectiveAsks the questions spec sheets never answer and tells you what the kit is like to live with. “My magnetic bank is back on night shifts. It lives on the phone, that’s the whole point.”
Darleene’s perspectiveQuestions we get asked most.
The short version of six things people ask before they buy a charger. Each one links to the full guide.
What is the difference between a GaN charger and a normal charger?
GaN runs cooler and switches faster, so it fits the same wattage in a smaller body. A GaN charger uses gallium nitride instead of silicon, which wastes less energy as heat. That fits the same wattage into a much smaller, lighter body, so one charger replaces a bag of bricks.
Compare GaN chargersWhat wattage charger do I need?
Around 20 to 30W for a phone, 65 to 100W for most laptops. Roughly 20 to 30W charges a phone at full speed, 30 to 45W suits a tablet, 65 to 100W covers most laptops, and 100 to 140W is for a large or gaming laptop. A higher-wattage charger never harms a smaller device; it simply gives it only what it asks for.
See laptop chargersIs a GaN charger worth it?
Yes, if you carry it anywhere. GaN chargers run cooler and pack the same wattage into a noticeably smaller body, so one charger can replace a phone charger and a laptop charger in a bag. At a desk that never moves, the older, cheaper design charges just as fast.
Compare GaN chargersHow does SmartGadgetKit decide a winner?
One published rubric, the same for every product. Every product is scored against the same published rubric, covering real-world capacity and output, build and portability, features and value. Hands-on use by the team supplies the everyday detail; every hard performance figure is credited to a named independent source.
Read how we test and scoreWhat is USB-C Power Delivery (PD)?
The standard that lets a USB-C charger safely negotiate higher wattage. USB Power Delivery is the handshake that lets a charger and a device agree on how much power to send. PD 3.0 reaches 100W and the newer PD 3.1 reaches 240W, which is what makes a single USB-C port able to run a phone or a laptop. Both the charger and the cable have to support the wattage you want.
See USB-C PD chargersCan one charger run a laptop and a phone at once?
Yes, if it is a multi-port charger with enough total wattage. A multi-port GaN charger splits its output between ports, so a 100W charger might give a laptop 65W while a phone takes 30W. The total matters more than the headline: add up what your devices need and choose a charger that covers it, because the per-port figure drops once several cables are in.
See multi-port chargersThe USB-C chargers we have reviewed
All our USB-C and GaN charger reviews, best-of guides and comparisons in one place, newest work first.
Best GaN chargers 2026
Compact USB-C wall and desktop chargers, ranked on sustained output.
Read the guide
Best USB-C laptop chargers
The chargers with the real wattage to run a laptop, rated under load.
Read the guide
Best iPhone chargers 2026
Fast USB-C chargers for every iPhone, value pick to desk workhorse.
Read the guide
Best fast chargers for Samsung
The chargers that trigger Super Fast Charging, by Galaxy model.
Read the guide
Best wireless chargers 2026
Qi2 and MagSafe pads and stands, ranked on real charging speed.
Read the guide
Best travel chargers 2026
GaN chargers with swappable plugs for Europe, the US and Asia.
Read the guide
Best USB-C and USB-A chargers
Chargers that keep a USB-A port for the kit you already own.
Read the guide
Anker Prime 100W charger review
A slim 3-port GaN desktop charger, rated under real load.
Read the guide
Anker Prime 250W charger review
Six ports of GaNPrime for a whole desk, reviewed in full.
Read the guide
UGREEN Nexode 65W review
One travel charger, three swappable plugs, for the road.
Read the guide
UGREEN Nexode 200W review
A 140W PD 3.1 GaN charger for laptops and busy desks.
Read the guide
Anker vs UGREEN: which brand?
The two brands most people pick between, compared by use case.
Read the guide
What is MagSafe? A plain guide
How Apple’s magnetic charging works, and whether you need it.
Read the guide