Updated March 2026 — 5 Chargers Tested

Best 100W USB-C Chargers UK 2026

Q: Do I really need a 100W charger?

You need 100W if you own a MacBook Pro 16″, Dell XPS 15/17, HP Spectre 16, or similar 15–17″ high-performance laptops. Also beneficial for dual-device charging setups.

Q: Is 100W the same as PD 3.1?

No. USB PD 3.0 supports up to 100W. PD 3.1 extends to 240W using Extended Power Range cables. For 100W, standard PD 3.0 chargers and cables are sufficient.

Q: 100W charger vs 65W — is the extra cost worth it?

If your largest device is a MacBook Air or Dell XPS 13, 65W is enough. The 100W premium is worth it for large 15"+ laptops or dual-device setups.

Q: Which cable do I need for 100W charging?

Any USB-C cable rated for 100W / 5A with an E-Marker chip. This is required for anything above 60W. Avoid unbranded cables that may lack E-Markers.

Q: How hot do 100W GaN chargers get?

Under full 100W load, top GaN III chargers reach 50–55°C surface temperature — warm to touch but safe. About 15°C cooler than silicon alternatives.

Q: Can I charge two laptops with a 100W charger?

Yes, but at reduced speed. A 100W charger typically splits to 65W + 30W across two ports. For full-speed dual-laptop charging, you need a 200W+ charger.

Q: Best 100W charger for MacBook Pro?

Our Editor's Choice is the UGREEN Nexode 100W (£54.99) — full 100W delivery, 4 ports, GaN III, and 40% smaller than Apple's adapter.

The power-user tier. 100 W delivers full-speed charging for MacBook Pro 16″, Dell XPS 15/17 and high-performance workstations — while still charging your phone on a spare port. We tested the top UK options head-to-head.

MacBook Pro 16″ full speed

3–4 ports per charger

GaN III · CE/UKCA

⚡ Quick Picks — Our Top 3

🏆 Editor's Choice£54.99

UGREEN Nexode 100 W

MacBook Pro 16″ / Dell XPS 15 / multi-device desktop

4.8/5

🛡️ Premium Pick£69.99

Anker Prime 100 W (737)

Professionals who want premium build + app control

4.7/5

💰 Best Value£44.99

Baseus GaN5 Pro 100 W

Budget-conscious users who need 100 W power

4.6/5

Who Actually Needs a 100W Charger?

The 100 W tier exists for a specific reason: large laptops. While a 65 W charger handles MacBook Airs and ultrabooks brilliantly, performance laptops with 15–17 inch screens and dedicated GPUs demand more power.

Here's the breakdown of which devices genuinely benefit from 100 W:

You NEED 100W for:

MacBook Pro 16″ (M3/M3 Pro/M3 Max)
Dell XPS 15 / XPS 17
HP Spectre x360 16
Lenovo ThinkPad X1 Extreme / P1
ASUS ZenBook Pro 16
Dual laptop + phone charging setups

65W is enough for:

MacBook Air (any model)
MacBook Pro 14″ (charges at 97% speed)
Dell XPS 13
iPad Pro / Air
All phones (iPhone, Samsung, Pixel)
Steam Deck / Nintendo Switch

See our 65W guide

Top 5 Best 100W Chargers — Full Reviews

We measured each charger's real-world delivery, surface temperature, port-splitting behaviour and build quality over 2 weeks of daily use.

#1🏆 Editor's Choice

UGREEN Nexode 100 W

Best for: MacBook Pro 16″ / Dell XPS 15 / multi-device desktop

£54.99

4.8

Power

100 W single / 65 W + 30 W dual

Ports

3× USB-C + 1× USB-A

Tech / Weight

GaN III · 218 g

Pros

Full 100 W on a single port — charges MacBook Pro 16″ at maximum speed
GaN III keeps it 40% smaller than Apple's 96 W adapter
4 ports allow laptop + phone + tablet + earbuds simultaneously
PD 3.0 + PPS — compatible with every USB-C device on the market

Cons

Drops to 65 W + 30 W when two USB-C ports are active
Slightly warm at max load (52 °C surface — safe but noticeable)

#2🛡️ Premium Pick

Anker Prime 100 W (737)

Best for: Professionals who want premium build + app control

£69.99

4.7

Power

100 W single / 65 W + 30 W dual

Ports

2× USB-C + 1× USB-A

Tech / Weight

GaN III · 210 g

Pros

Anker app shows real-time wattage per port on your phone
ActiveShield 2.0 — 3 million daily temperature checks
Aerospace-grade aluminium exterior with premium feel
Best-in-class thermal management (50 °C under max load)

Cons

£15 more than UGREEN for nearly identical performance
Only 3 ports vs UGREEN's 4
Anker app requires Bluetooth — overkill for some users

#3💰 Best Value

Baseus GaN5 Pro 100 W

Best for: Budget-conscious users who need 100 W power

£44.99

4.6

Power

100 W single / 65 W + 30 W dual

Ports

2× USB-C + 2× USB-A

Tech / Weight

GaN III · 230 g

Pros

Best value 100 W charger — under £45
LED display shows real-time wattage output
4 ports including 2× USB-A for legacy devices
Comprehensive protection suite (OVP, OCP, OTP, SCP)

Cons

Slightly bulkier than Anker and UGREEN
LED display cannot be dimmed — may annoy in dark rooms
Build quality slightly below Anker Prime tier

Apple 96 W USB-C Power Adapter

Best for: MacBook Pro 16″ (those who want Apple-branded)

£79.00

4.4

Power

96 W (single USB-C)

Ports

1× USB-C

Tech / Weight

Silicon · 300 g

Pros

Official Apple — guaranteed Mac compatibility
Qualifies for AppleCare+ claims
Clean design matches Apple aesthetic

Cons

£79 for a single-port silicon adapter — poor value in 2026
300 g vs 210–230 g for GaN alternatives
No PPS — Samsung/Android phones charge at base speed only
Only 96 W — technically 4 W short of the 100 W standard

#5🖥️ Best Desktop

Satechi 108 W Pro

Best for: Mac users who want a desktop-style charger

£59.99

4.5

Power

108 W total / 100 W single USB-C

Ports

2× USB-C + 1× USB-A

Tech / Weight

GaN III · 225 g

Pros

108 W total output — charges MacBook Pro 16″ at full 100 W
Upright desktop design saves desk space
Space Grey colour matches Apple devices perfectly
PD 3.0 + PPS support across all ports

Cons

Desktop form factor less travel-friendly than UGREEN/Anker
Premium pricing for the Satechi brand

100W vs 65W — Quick Comparison

Feature	100W Charger	65W Charger
Typical price (GaN)	£45–£70	£30–£45
Average weight	210–230 g	112–130 g
Max single-port output	100 W	65 W
Dual-port split	65 W + 30 W	45 W + 20 W
MacBook Pro 16″ charge speed	✅ Full speed (100 W)	⚠️ Slow charge (~65% speed)
MacBook Air charge speed	✅ Full speed	✅ Full speed (97%)
iPhone / Samsung speed	✅ Full speed	✅ Full speed
Best for	Power users, 15"+ laptops	Ultrabooks, phones, travel

For the full breakdown, read our 100W vs 65W detailed comparison →

What to Look for in a 100W Charger

GaN III Is Non-Negotiable

At 100 W, the size and heat advantages of GaN III are dramatic. Apple's silicon 96 W adapter is 300 g; GaN III alternatives deliver 100 W at 210–230 g and 40% less volume.

Check Port-Splitting Behaviour

Most 100 W chargers drop to 65 W + 30 W when two ports are active. This is fine for laptop + phone, but if you need 100 W sustained, only use one port.

E-Marker Cables Required

USB-C cables above 60 W MUST have an E-Marker chip. Without it, the cable will cap at 60 W regardless of charger capability. Buy a rated 100 W cable — see our cable guide.

Thermal Management

100 W generates significant heat. Look for chargers with active thermal management (Anker's ActiveShield) or GaN III designs that stay below 55 °C under sustained load.

Frequently Asked Questions

Do I really need a 100W charger?

You need 100 W if you own a MacBook Pro 16″ (96 W requirement), Dell XPS 15/17, HP Spectre 16, Lenovo ThinkPad X1 Extreme, or similar 15–17″ high-performance laptops. You also benefit from 100 W if you regularly charge two devices simultaneously — a 100 W charger splits to 65 W + 30 W, whereas a 65 W charger splits to only 45 W + 20 W.

Can a 100W charger damage my phone or tablet?

No. USB Power Delivery negotiates the exact wattage your device needs. An iPhone 16 Pro Max will only draw 27 W from a 100 W charger. A Samsung Galaxy S25 Ultra will draw 45 W. The charger simply has more capacity — it will never push more power than your device requests.

Is 100W the same as PD 3.1?

No. USB PD 3.0 supports up to 100 W over standard USB-C cables. PD 3.1 extends this to 240 W using special Extended Power Range (EPR) cables. For 100 W charging, standard PD 3.0 chargers and cables are sufficient. PD 3.1 only matters if you need 140 W+ (e.g., MacBook Pro 16″ M3 Max fast charging at 140 W).

100W charger vs 65W — is the extra cost worth it?

If your largest device is a MacBook Air, iPad Pro, Dell XPS 13 or phone — a 65 W charger is perfect and costs £10–20 less. The 100 W premium is worth it only for large laptops (15″+) or if you often charge a laptop + tablet simultaneously and want both at full speed.

Which cable do I need for 100W charging?

Any USB-C cable rated for 100 W / 5 A will work. Look for cables with an "E-Marker" chip, which is required for anything above 60 W. All major brands (Anker, UGREEN, Baseus) sell 100 W-rated cables. Avoid cheap unbranded cables — they may lack the E-Marker and cap at 60 W. See our USB-C cable guide for recommendations.

How hot do 100W GaN chargers get?

Under full 100 W load, top GaN III chargers reach 50–55 °C surface temperature (warm to touch but safe). This is roughly 15 °C cooler than silicon alternatives. All chargers on this page have over-temperature protection that throttles power if temperatures exceed safe limits.

Can I charge two laptops with a 100W charger?

Yes, but with reduced speed. A 100 W charger with two USB-C ports typically splits to 65 W + 30 W. The 65 W port can fully power a MacBook Air or XPS 13, while the 30 W port provides a slow but steady charge to a second laptop. For full-speed dual laptop charging, you'd need a 200 W+ charger.

Best 100W charger for MacBook Pro?

Our Editor's Choice is the UGREEN Nexode 100 W (£54.99) — it delivers the full 100 W your MacBook Pro 16″ needs, has 4 ports for accessories, and is 40% smaller than Apple's official adapter. The Anker Prime 100 W is the premium alternative with app control and superior thermal management.