GaN Charger
Gallium nitride changed how small a charger can be for a given wattage — and nothing else about the physics. Here is what GaN actually buys, where it does not help, and how a branded GaN programme runs from 200 pcs per model.
GaN chargers use gallium nitride switches instead of silicon, which run faster and cooler, so the magnetic components can shrink. The result is the same wattage in a smaller housing. WECENT builds GaN platforms from 20W to 240W with EU, UK, US and AUS plug kits, from 200 pcs per model.
What gallium nitride actually changes
A charger converts mains power to the voltage a device wants, and every conversion loses some energy as heat. Silicon switches have a practical switching-frequency ceiling; gallium nitride switches go higher, and a higher switching frequency lets the transformer and the other magnetic parts be physically smaller for the same power. That is the entire mechanism behind the smaller charger — there is no change to how much energy a phone or laptop asks for.
What GaN does not do is remove the heat. The same energy is still lost, it is simply dissipated in a smaller volume. That is why a compact GaN design is a thermal design problem as much as an electrical one, and why the same 65W label appears on units with very different internal layouts. Holding a rate for three hours on a desk is a different requirement from hitting it for ten minutes in a bag.
- Smaller for the same wattage. Higher switching frequency shrinks the magnetics, which is what makes a 65W unit pocketable.
- Cooler-running platform. The switching losses are lower, which buys thermal headroom in a sealed housing.
- Not a rate increase. The device still negotiates the rate it supports; GaN changes the size of the charger, not the phone.
Which wattage band fits which product
The bands map onto devices rather than preferences. 20W to 45W covers phones, earbuds and tablets. 65W to 100W is the thin-and-light laptop band and the point where a single charger can feed a laptop and a phone. 140W and above is the multi-device desk band — docking-replacement territory, where the port layout matters as much as the rating.
| What you are choosing | 20W – 45W | 65W – 100W and above |
|---|---|---|
| Devices covered | Phones, earbuds, tablets | Thin-and-light laptops, or laptop plus phone |
| Port layout | Single port, or 1A1C | 1A1C to 2A3C depending on the model |
| Where it sells | In-box accessory, retail, gifting | Travel retail, laptop accessory, desk programmes |
| Plug strategy | One SKU with a plug kit, or a fixed plug | Usually a plug kit — these travel |
The band-by-band list is on the chargers page, and the selection logic is in the wattage guide. For the technical comparison against silicon, see GaN vs silicon.
Putting your brand on a GaN charger
Everything below is applied on top of a platform that is already tested and certified, which keeps the sample at 2–3 days and the MOQ at 200 pcs per model.
- Wattage and ports — the same platform family spans several bands, so a range can be built without new electronics.
- Plug kit — EU / UK / US / AUS, fixed or interchangeable, chosen per market.
- Shell and finish — black and white as standard, plus custom shell colour and surface texture.
- Logo and packaging — silk-screen, laser or UV printing, plus a colour box drawn to your artwork.
GaN charger range — what we build
| Wattage range | 20W to 240W across the GaN platform family |
|---|---|
| Port layouts | Single port, 1A1C, 1A2C, 2C, 2A2C, 2A3C depending on the band |
| Protocols | PD 2.0/3.0 and QC 2.0/3.0; PPS ranges, AFC, FCP, Apple 2.4A and BC1.2 tested per family |
| Plug types | Fixed or interchangeable EU / UK / US / AUS, plus KR where the channel needs it |
| Mains input | Universal AC input; the marked range is confirmed on the model datasheet |
| Shell | Black and white as standard; custom colour and surface texture available |
| Certifications | CE, RoHS, FCC, UKCA, PSE, KC, SAA and CB reports for a GaN charger, depending on the target market |
| MOQ | 200 pcs per model for a branded GaN charger; a trial quantity can be split across a few SKUs |
| Samples | 2–3 days with your logo and finish applied to the GaN charger |
| Mass production | 7–15 days after sample and artwork approval for the GaN charger |
| Carton | 50 pcs per carton as standard for the GaN charger, or customised to your requirement |
| Warranty | 2 years on the GaN charger, with a 24-hour complaint response and batch traceability |
The rows above describe a standard GaN charger. Custom power stages, coil layouts, plugs and packaging are quoted per project, and every figure is confirmed on the datasheet before a sample is built.
GaN platforms across the bands
How a GaN charger is built and checked
Gallium nitride changes the switching stage, not the inspection route: the same gates apply, and the aging cycle is where a design that looks cool on a bench but not in a sealed housing is caught.
Material preparation and checking
The GaN switches, transformers, capacitors, controllers and plug assemblies are matched against the approved bill of materials before a board reaches the line.
First-piece quality confirmation
The first unit of a run is built and load-tested against the specification before the line continues, so a drifting parameter is caught on one board rather than a whole batch.
Assembly on static-protected lines
Boards are built on static-protected lines to a written operation sheet, and the plug assembly is fitted and checked at its own station rather than as a final afterthought.
Visual inspection rounds
Repeat inspections verify solder joints, component placement, screw torque, plug fit and the cosmetic condition of the shell before the charger moves on to testing.
Aging under load and electrical testing
Every unit runs an aging cycle under load and is re-measured afterwards — the gate where a compact GaN housing that only works for ten minutes is caught.
Charging and protocol verification
Output voltage and current are measured across every port, including PPS ranges, with handshake checks for PD 2.0/3.0, QC 2.0/3.0, AFC, FCP, Apple 2.4A and BC1.2.
QA sampling, packing and shipment inspection
Sampling runs before packing, the plug kit and retail box are checked against the approved artwork, and the batch report keeps each GaN charger shipment traceable.
GaN changes the switching stage, not the inspection route: the same five gates apply, and the aging cycle is where a design that runs cool on a bench but not in a sealed housing gets caught.
Where a GaN charger gets specified
In-box accessory
Shipped with a device, with the rating matched to what the device negotiates.
Travel retail
Multi-region plug kits and a pocket-sized housing — the travel case.
Retail own-brand
Your colour and box on a certified platform, across several wattage bands.
Desk and docking
140W and above with multi-port layouts to replace a laptop brick.
Certifications and what comes with the shipment
The file for a GaN charger is assembled from the first sample rather than hunted down before dispatch, so the paperwork matches the market the container is going to.
CE / UKCA
European Union and United Kingdom market access for the finished unit and its power supply.
FCC
United States electromagnetic compliance for the finished unit.
RoHS / REACH
Restricted-substance documentation for the European market.
PSE / KC
Japan and Korea market documentation, quoted with the plug kit.
CB / SAA / GS / ETL
Additional reports quoted where the channel or retailer requires them.
ErP efficiency
Efficiency documentation for the EU external power supply regulation.
Reference standards behind this page: Wireless Power Consortium (Qi / Qi2), EU external power supply regulation (ErP), EU CE marking and the USB Implementers Forum for USB-C and Power Delivery specifications.
GaN, band by band
GaN vs silicon
What the switch material changes, and where it does not help.
Choosing a wattage band
How 20W, 45W, 65W and 100W map onto devices.
20W charger
The entry band — phones, retail and gifting.
Travel chargers
Wireless versus wired for the travel case.
Certification for the EU and US
What the compliance file needs, and when to start it.
All GaN and wireless chargers
The full platform list with wattage, ports and MOQ.
100W GaN chargers
The band where a charger replaces a laptop brick.
GaN charger — FAQs
What does GaN actually change?
It raises the switching frequency, which lets the transformer and the magnetic parts be smaller for the same power. That is why a 65W GaN charger fits a pocket. It does not raise the rate a phone or laptop negotiates — that is decided by the device.
Is a GaN charger better than a silicon one?
It is smaller for the same wattage and runs cooler. If size does not matter for a given product, the advantage is smaller. For travel and in-box accessories it is the difference between pocketable and not.
Which wattage band do I need?
20W to 45W covers phones, earbuds and tablets. 65W to 100W is the thin-and-light laptop band and the first band where one charger can feed a laptop and a phone. 140W and above is the multi-device desk band.
Can one SKU cover several markets?
Yes, with an interchangeable EU / UK / US / AUS plug kit. Where a channel wants a single fixed plug, that is quoted separately — the trade-off is documented in the plug strategy note.
Is GaN safe?
The platform is built and tested to the same safety and EMC requirements as any other switching supply, and certification is per market. The switch material changes the design inside, not the standards it has to meet.
What is the minimum order?
200 pcs per model across every band from 20W to 240W, and the trial quantity can be split between two wattages on the same platform family, which is how most ranges are started.
How fast are samples and production?
Samples ship in 2–3 days with your logo and finish applied; mass production runs 7–15 days after sample and artwork approval.
Which protocols are supported?
PD 2.0/3.0 and QC 2.0/3.0, with PPS ranges, AFC, FCP, Apple 2.4A and BC1.2 verified per family and stated on the model datasheet.
Which certifications apply?
CE, RoHS, FCC, UKCA, PSE, KC, SAA and CB reports depending on the target market, with ErP efficiency documentation for the external power supply.
What is the warranty?
Two years, with a 24-hour first response and batch traceability. GaN units fail the same way as any switching supply — a component or a solder joint rather than the switch material — which is why the incoming check runs against the approved bill of materials on every batch.
What does GaN mean on a charger?
Gallium nitride is the switch material inside the power stage. It can switch faster than silicon, which lets the transformer and the magnetic parts be smaller for the same output — so a GaN charger is smaller and runs cooler than a silicon one at the same wattage. It does not raise the rate your phone negotiates.
What are the disadvantages of GaN chargers?
They cost more to make than an equivalent silicon design, because the switch and the control circuitry are more expensive. The advantage is size, so if a product does not need to be small — a stationary desk unit — the premium buys less. That is the honest trade.
Is a GaN charger safe for an iPhone?
Yes. GaN changes the switch material, not the safety or EMC requirements, and a charger is certified per market on the same standards either way. The phone negotiates the rate it supports, so a higher-rated GaN charger simply has headroom available rather than pushing power into the device.
GaN chargers in more detail — wattage bands, plugs and OEM programmes Know more Know less
What GaN means and which wattage you need
Gallium nitride is the switch material in the power stage. It switches faster than silicon, which lets the transformer and the magnetic parts shrink, so a charger of the same wattage fits in a smaller housing. It does not change how much power a phone or laptop asks for.
The bands map onto devices: 20W to 45W covers phones, earbuds and tablets; 65W to 100W is the thin-and-light laptop band and the first band where one charger can feed a laptop and a phone; 140W and above is the multi-device desk band where a docking station would otherwise sit.
GaN charger vs silicon — what actually changes
A silicon adapter has a practical switching-frequency ceiling, so its magnetics are larger and it runs warmer for the same output. A GaN adapter switches higher, so the parts shrink and the losses drop — the visible result is size, and the less visible one is thermal headroom inside a sealed housing.
What does not change is the efficiency ceiling or the rate the device negotiates. If a product does not need to be small, the GaN premium buys less, and that is worth saying plainly in a range plan.
Plug types: EU, UK, US and AUS, and the one-SKU strategy
A charger can be built with a fixed plug for one market or with an interchangeable kit that covers the EU, the UK, the US and Australia. The fixed plug is cheaper and packs smaller; the kit costs more per unit but collapses four markets into one SKU, which usually matters more to a distributor than the unit price.
Both are quoted with the same platform, so the decision is commercial rather than electrical. Korea, Japan and India each bring their own plug and certification requirements and are quoted as separate configurations.
Fast charging, USB-C and the terms on the label
The label usually carries a wattage and a protocol set rather than an explanation. What matters is whether the platform supports USB-C Power Delivery and the vendor fast-charge profiles the target phones use — two chargers with identical wattage labels can charge the same phone at different rates for that reason alone.
Our platforms are tested per family for PD 2.0/3.0, QC 2.0/3.0, PPS ranges, AFC, FCP, Apple 2.4A and BC1.2, and the result is stated on the model datasheet rather than generalised across a range.
Wholesale, OEM and private-label GaN programmes
A branded GaN charger starts at 200 pcs per model, and a trial quantity can be split between two wattages on the same platform family — which is how most ranges are started. Branding covers the shell colour and finish, the printing method, the model designation and the retail packaging.
Because the electrical design does not change, the existing reports travel with the branded variant: the work is documentation and marking rather than new testing.
GaN technology, PPS and power banks
Two questions come up often enough to answer here. A GaN technology charger and a GaN PPS charger describe the same platform family: the switch material sets the size of the housing, and the protocol set — PD, PPS ranges, QC, AFC, FCP, Apple 2.4A, BC1.2 — decides what each device negotiates. The compact cube format, where the plug folds into the body, is quoted from the same family.
A GaN power bank — written both ways, power bank and powerbank — is a different product rather than a variant: the same conversion inside a housing that also carries a cell, which brings cell documentation and cabin-only shipping rules with it and is quoted separately.
Send your spec, get a costed quotation
Tell us the devices, the band and the markets. You get the platform that fits, unit pricing at your quantity, the sample date and the certification list per destination — plus the plug-kit decision if the SKU travels.
- MOQ from 200 pcs per model, splittable across a few SKUs
- Samples in 2–3 days with your logo and finish applied
- Reply within 24 hours on business days