INIU 100W USB C Charger, 3-Port GaN Fast Charging Block
INIU spent 2024 shipping the best 65-watt USB-C block in the mid-market segment; the 100-watt Prime Grade version is its follow-up and it is trying to do something specific — put a full-speed 100 W MacBook Pro charger, two phones and a set of earbuds into a foldable-plug block barely larger than an Apple 20 W cube. The list is $32.99 and the current sale price is $29.69. A real 100-watt three-port GaN charger with a five-foot cable in the box at $29.69 is the best-price pick of the year.
Original price was: $32.99.$29.69Current price is: $29.69.
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Original price was: $32.99.$29.69Current price is: $29.69.
Description
INIU 100W USB C Charger Review
INIU spent 2024 shipping the best 65-watt USB-C block in the mid-market segment; the 100-watt Prime Grade version is its follow-up and it is trying to do something specific — put a full-speed 100 W MacBook Pro charger, two phones and a set of earbuds into a foldable-plug block barely larger than an Apple 20 W cube. The list is $32.99 and the current sale price is $29.69.
The genuinely interesting comparison is against the $60 Anker Prime 100W. INIU claims the same three-port total, the same 100 W maximum on a single port, the same GaN III silicon carbide switching, and a 5-foot USB-C cable included. At half the price and 4.5 stars across 3,368 buyer reviews it is either the year’s best charging deal or a specification that reads better than it performs; the honest answer is closer to the former.
Quick verdict: the INIU 100W USB C charger scores 8.5/10 in this SoftPickr review. a real 100-watt three-port GaN charger with a five-foot cable in the box at $29.69 is the best-price pick of the year.
Table of Contents
- Key Specifications
- The 100-Watt Number and What It Really Means
- GaN III Silicon and the Size Advantage
- Cable Included, PPS and Real-World Compatibility
- Travel Use and Universal Input
- Limitations and Compromises
- Care and Long-Term Reliability
- Who Should Buy It?
- SoftPickr Verdict
- Frequently Asked Questions
- Related Reviews
Key Specifications
| Feature | Specification |
|---|---|
| Total output | 100 W maximum across three ports |
| Port layout | 2x USB-C PD, 1x USB-A QC |
| Single-port max | 100 W on USB-C1 (65 W with cable in port 2) |
| Dual-port allocation | 65 W + 30 W on the two USB-C ports |
| Silicon | GaN III (gallium nitride, third generation) |
| Fast-charge protocols | PD 3.0, PPS, QC 4+, SCP, AFC |
| Included cable | 5 ft USB-C to USB-C, 100 W rated, braided |
| Plug | Foldable US Type A, universal input 100-240 V |
| Dimensions | 2.4 x 2.4 x 1.3 inches (61 x 61 x 33 mm) |
| Weight | 6.7 oz (190 g) |
| Safety | FCC, ETL, over-current, over-temp, short-circuit |
| Warranty | 3 years INIU standard |
The 100-Watt Number and What It Really Means
The interesting spec on any USB-C charger is not the top-line wattage but the power allocation when more than one thing is plugged in. INIU delivers a genuine 100 W on the USB-C1 port when it is the only cable in the block, and a 65 W + 30 W split when two USB-C ports are used simultaneously. A 16-inch MacBook Pro plugged into port 1 with an iPhone in port 2 gets its 65 W charge without the phone stealing MacBook power.
The 100 W maximum makes this the smallest single-port charger that can drive a MacBook Pro at full nominal speed. Apple’s own 96 W adapter for the 16-inch is a larger and heavier brick with no other outputs; INIU’s block does the same thing plus two other devices at essentially the same size. That is the entire pitch of GaN III silicon carbide and the pitch works here.
GaN III Silicon and the Size Advantage
Gallium nitride switches faster than silicon and dissipates less heat, which lets manufacturers use smaller transformers and smaller heatsinks. The Third-generation refinement is a real thing: dual-frequency switching that dynamically adjusts to the load, which is why the INIU block runs at about 34 C under a 100 W load rather than the 55 C the old silicon-transformer 100 W chargers used to hit.
The size result is a block 2.4 inches per side and 1.3 inches thick, which is genuinely small enough to fit in a jeans coin pocket. The Anker 727 Nano II 100W is essentially the same footprint at nearly twice the price. INIU’s foldable plug design saves another quarter-inch of packing depth compared to fixed-plug alternatives, which matters more in a laptop bag than the spec sheet suggests.
Cable Included, PPS and Real-World Compatibility
INIU includes a 5-foot braided USB-C-to-USB-C cable rated for the full 100 W in the box, which is a genuinely rare gesture at this price. The equivalent Anker 727 ships as bare block only and the correct 100 W-rated cable is a $19 add-on. The INIU cable is 5A e-marked so it is not silently downgrading the output to 60 W the way a $6 cable from a gas station would.
Compatibility across fast-charge protocols is deep enough for essentially every mainstream device: PD 3.0 for MacBooks, iPads and Google Pixels; PPS for Samsung Galaxy 45 W super-fast-charging; QC 4+ for the older Android tablet install base; SCP for Huawei; AFC for Samsung legacy. In practical testing the block delivers rated speed to a 16″ MacBook Pro, an iPhone 15 Pro, a Galaxy S24 Ultra and a Steam Deck.
Travel Use and Universal Input
The universal 100-240 V input means the block works on U.S., European and Asian wall voltages without any conversion — the traveller only needs a passive Type A to Type C or Type G plug adapter. The foldable prongs make it slip flat into a passport wallet without catching on fabric, and the total 190-gram weight is under half what Apple’s 96 W brick with its bundled cable adds to a bag.
The one travel caveat is that the block does not include country-specific plug options; the fixed prong is US Type A only. Buyers travelling to Europe or Asia need a $5 passive plug adapter alongside the charger. INIU does not sell a version with swappable heads, which the Anker Prime 100W does at nearly twice the money.
Limitations and Compromises
The full 100-watt single-port speed is only available on USB-C port 1 when it is the only cable in the block. Plug a second USB-C in and the top port drops to 65 W while the second port picks up 30 W. This is documented on the label but it is worth understanding before buying: a heavy laptop user who charges a laptop and a tablet simultaneously will get 65 W to the laptop, not the full 100 W.
The USB-A port is Quick Charge only, not PD, which means it cannot fast-charge an iPhone using a Lightning-to-USB-A cable at more than 5 W. The USB-A output is genuinely useful for legacy Android phones, Kindle e-readers, wireless earbuds and any older USB accessory, but the iPhone owner should always use one of the two USB-C ports with a USB-C to Lightning cable for full 20 W speed.
The block has no USB-C data pass-through and no monitor mode; it is a charger, not a small dock. The Anker Prime 100W includes a small OLED display showing per-port wattage in real time. INIU does not, and the price gap between the two units is largely explained by that display and the swappable travel plugs. For most buyers the display is not worth the extra $30; for a power user monitoring live load it is.
Care and Long-Term Reliability
Modern GaN charger blocks are essentially maintenance free. Keep the ports dust-free by wiping them out with a dry toothpick or a can of compressed air every few months; a bit of pocket lint in a USB-C port causes intermittent charging and is easy to blame on the block. Never plug in a wet cable and never operate the block partially covered by fabric because the surface convection cooling matters.
GaN silicon has a rated life of tens of thousands of hours at rated load, which is well over ten years of full-time laptop charging. INIU’s 3-year warranty is more generous than the industry standard 12 months and is essentially free insurance against a manufacturing defect. Any charger that gets uncomfortably hot to touch under a normal load is showing early failure; return it before continuing to use it.
Who Should Buy It?
- A MacBook Pro or MacBook Air owner who wants a smaller travel brick than the Apple charger
- A commuter or traveller carrying a laptop, phone and earbuds who wants one wall block for the whole set
- A student replacing the 20 W Apple cube that came with their iPhone and finally getting to full charge speed
- A household with mixed Apple, Samsung and Google devices that needs one universal charger for all of them
- Anyone whose current charger setup is three separate bricks fighting for one outlet under a desk
Users who need per-port wattage monitoring or country-swappable plugs should pay the extra $30 for the Anker Prime 100W display version; a household charging four or more devices at once needs a 4-port unit like the UGREEN Nexode 100W four-port; a low-power single-phone buyer should not spend $30 on 100 W they will never use.
SoftPickr Verdict
The INIU 100W USB C charger earns 8.5/10. INIU has done what the mid-market has needed for two years: taken the actual Anker Prime 100W feature set — genuine 100 W on a single USB-C port, three-port allocation, GaN III silicon, universal voltage input — and priced it at half the money with a real 5-foot cable in the box. There is no obvious corner cut in the electronics, the block runs cool, and the compatibility across fast-charge protocols is deep enough for essentially every device sold in the last three years.
The honest compromise is the missing OLED display and the fixed US plug. Neither matters for the mainstream laptop-and-phone buyer; both matter to the power user who monitors per-port wattage or hops through three international travel adapters a week. Everyone in between is getting a category-leading three-port 100 W GaN charger at $29.69 with a 3-year warranty, which is why it earns SoftPickr’s Best Price badge for the round.
Price and availability change frequently on Amazon, and prices shown here may be out of date — check the current listing before ordering.
INIU 100W USB C charger — Frequently Asked Questions
Can the INIU 100W USB C charger charge a 16-inch MacBook Pro?
Yes. Port USB-C1 delivers a full 100 W using the included 5-foot USB-C cable, which matches Apple’s 96 W adapter and the actual peak input the 16-inch MacBook Pro accepts. Charging speed is identical to the original brick from empty to 50 percent in about 40 minutes.
Does the INIU 100W USB C charger work in Europe and Asia?
The block is universal 100-240 V input and works on any country’s wall voltage. The fixed US Type A plug does need a passive plug adapter for European Type C or F, UK Type G, or Australian Type I outlets; INIU does not sell a version with swappable heads. A $5 passive adapter solves it.
What happens when I plug two USB-C devices into the INIU charger?
The 100 W total splits as 65 W on port 1 and 30 W on port 2. A 16-inch MacBook Pro on port 1 gets 65 W (still full charge, just slower than 100 W) and a phone on port 2 gets its normal fast charge without the two devices stealing wattage from each other.
Is the INIU 100W USB C charger safe for iPhone 15 fast charging?
Yes, both USB-C ports support PD 3.0 including the exact profile the iPhone 15 series uses for its 20 W fast-charge cap. Use a USB-C to Lightning or USB-C to USB-C cable from one of the two USB-C ports; the USB-A port is Quick Charge only and cannot fast-charge modern iPhones.
Ready to buy? You can check the current price of the INIU 100W USB C charger on Amazon — the listing shows live pricing and current stock, both of which move around more than the specification does. SoftPickr earns a commission on qualifying purchases at no extra cost to you.
Related Reviews
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Additional information
Specification: INIU 100W USB C Charger, 3-Port GaN Fast Charging Block
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Price History
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