USB Chargers / Apple 20W USB-C Power Adapter (A2305) vs Anker Nano Charger 30W (A2147)
Apple 20W USB-C Power Adapter (A2305) vs Anker Nano Charger 30W (A2147)
Anker Nano Charger 30W (A2147)
30W and PPS in an Apple-20W-sized body — the default small charger.
Wins overall by 2.2 points
Quick Verdict
The Anker Nano Charger 30W (A2147) takes this by a clear 2.2 points. 30W and PPS in an Apple-20W-sized body — the default small charger. The Apple 20W USB-C Power Adapter (A2305) only makes sense if it wins on a category you care about more than the total.
The Apple 20W USB-C Power Adapter (A2305) and Anker Nano Charger 30W (A2147) are both closely matched USB Charger models, and they're priced almost identically ($19 vs $22.99). On Value, the Anker Nano Charger 30W (A2147) leads (9.0 vs 4.0/10) — watts and ports relative to price. On Features, the Anker Nano Charger 30W (A2147) leads (6.0 vs 2.0/10) — displays, protocol support and extras. On Portability, the Anker Nano Charger 30W (A2147) leads (9.5 vs 6.5/10) — size, weight and whether the prongs fold. Overall, the Anker Nano Charger 30W (A2147) scores 7.3/10 across our 8 scoring categories versus 5.1/10 for the Apple 20W USB-C Power Adapter (A2305). Below, we break down the full spec sheet, category-by-category scores, and exactly who should buy which one.
Side-by-Side Comparison
| Spec | Apple 20W USB-C Power Adapter (A2305) | Anker Nano Charger 30W (A2147) |
|---|---|---|
| Price | $19.00 | $22.99 |
| Release Year | 2020 | 2022 |
| Max Total Output (W) | 20 | 30✓ |
| Single-Port Max | 20 | 30 |
| Ports | 1x USB-C | 1x USB-C |
| GaN | No | Yes |
| USB-PD & PPS | PD 2.0 and 3.0, no PPS | PD 3.0 with PPS (3.3-11V/2.7A and 3.3-16V/2A) |
| Foldable Prongs | No | Yes |
| Dimensions | Not published by Apple | 28.4 x 28.4 x 35.3mm |
| Weight (g) | Not published by the manufacturer | Not published by the manufacturer |
| Laptop Charging | No | No |
| Power Sharing | Not applicable — single port | Not applicable — single port |
| Display | None | None |
| Warranty | 18 months | 18 months |
| Colors | White | Black, White, Blue, Green |
Category Scores
Output Power
The Anker Nano Charger 30W (A2147) leads clearly here, 5.0 against 3.0 — a 2.0-point margin on total wattage and single-port maximum. If that is what you are buying for, the Apple 20W USB-C Power Adapter (A2305) does not close the gap elsewhere.
Ports
The Apple 20W USB-C Power Adapter (A2305) and Anker Nano Charger 30W (A2147) are level here, at 2.0/10 each. how many devices it can charge at once is not what separates these two — look to the categories where the scores diverge.
Power Sharing
The Apple 20W USB-C Power Adapter (A2305) and Anker Nano Charger 30W (A2147) are level here, at 10.0/10 each. how well it holds wattage when several ports are in use — the spec buyers most often get caught by is not what separates these two — look to the categories where the scores diverge.
Portability
The Anker Nano Charger 30W (A2147) leads clearly here, 9.5 against 6.5 — a 3.0-point margin on size, weight and whether the prongs fold. If that is what you are buying for, the Apple 20W USB-C Power Adapter (A2305) does not close the gap elsewhere.
Build Quality
The Anker Nano Charger 30W (A2147) leads clearly here, 8.5 against 7.5 — a 1.0-point margin on materials, heat handling and warranty. If that is what you are buying for, the Apple 20W USB-C Power Adapter (A2305) does not close the gap elsewhere.
Features
The Anker Nano Charger 30W (A2147) leads clearly here, 6.0 against 2.0 — a 4.0-point margin on displays, protocol support and extras. If that is what you are buying for, the Apple 20W USB-C Power Adapter (A2305) does not close the gap elsewhere.
Compatibility
The Anker Nano Charger 30W (A2147) leads clearly here, 8.5 against 6.0 — a 2.5-point margin on PPS, PD version and support for Samsung, Pixel and Apple fast charging. If that is what you are buying for, the Apple 20W USB-C Power Adapter (A2305) does not close the gap elsewhere.
Value
The Anker Nano Charger 30W (A2147) leads clearly here, 9.0 against 4.0 — a 5.0-point margin on watts and ports relative to price. If that is what you are buying for, the Apple 20W USB-C Power Adapter (A2305) does not close the gap elsewhere.
Best For
Choose the Apple 20W USB-C Power Adapter (A2305) if…
- • You prefer the Apple ecosystem, app, and design language.
Choose the Anker Nano Charger 30W (A2147) if…
- • Value matters most to you — the Anker Nano Charger 30W (A2147) scores 9.0/10 here (watts and ports relative to price).
- • Features matters most to you — the Anker Nano Charger 30W (A2147) scores 6.0/10 here (displays, protocol support and extras).
- • Portability matters most to you — the Anker Nano Charger 30W (A2147) scores 9.5/10 here (size, weight and whether the prongs fold).
- • Compatibility matters most to you — the Anker Nano Charger 30W (A2147) scores 8.5/10 here (PPS, PD version and support for Samsung, Pixel and Apple fast charging).
- • Output Power matters most to you — the Anker Nano Charger 30W (A2147) scores 5.0/10 here (total wattage and single-port maximum).
Pros & Cons
Apple 20W USB-C Power Adapter (A2305)
Pros
- +Apple's own brick, so compatibility is never in question
- +Sold everywhere and easy to replace
- +Still one of the best-selling chargers on Amazon
Cons
- −Only 20W, and no GaN — the 30W Anker and UGREEN cost the same and are smaller
- −No PPS at all, so it will not fast-charge Samsung or Pixel phones properly
- −Fixed prongs, so it does not pack flat
- −2020 silicon, functionally superseded by Apple's own 40W Dynamic adapter
Anker Nano Charger 30W (A2147)
Pros
- +30W in a genuinely tiny body — 50% more power than Apple's 20W in a similar footprint
- +PPS support means proper fast charging on Samsung and Pixel, which Apple's brick cannot do
- +Foldable prongs make it pocketable
- +Anker's warranty and support are the best here
Cons
- −Single port — no good if you charge two devices at once
- −30W will not fast-charge any laptop
- −Anker does not publish a weight for this model
- −Four years old, though nothing has superseded it
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FAQs
Is the Apple 20W USB-C Power Adapter (A2305) or Anker Nano Charger 30W (A2147) better overall?+
Based on our 8-category scoring, the Anker Nano Charger 30W (A2147) comes out ahead overall. See the full breakdown in the scores section above — the right pick still depends on which categories matter most for your use case.
Which is better for Value, the Apple 20W USB-C Power Adapter (A2305) or the Anker Nano Charger 30W (A2147)?+
The Anker Nano Charger 30W (A2147) scores higher on Value (9.0/10 vs 4.0/10) — watts and ports relative to price.
Which is better for Features, the Apple 20W USB-C Power Adapter (A2305) or the Anker Nano Charger 30W (A2147)?+
The Anker Nano Charger 30W (A2147) scores higher on Features (6.0/10 vs 2.0/10) — displays, protocol support and extras.
Which is better for Portability, the Apple 20W USB-C Power Adapter (A2305) or the Anker Nano Charger 30W (A2147)?+
The Anker Nano Charger 30W (A2147) scores higher on Portability (9.5/10 vs 6.5/10) — size, weight and whether the prongs fold.
Which is better for Compatibility, the Apple 20W USB-C Power Adapter (A2305) or the Anker Nano Charger 30W (A2147)?+
The Anker Nano Charger 30W (A2147) scores higher on Compatibility (8.5/10 vs 6.0/10) — PPS, PD version and support for Samsung, Pixel and Apple fast charging.
Is the Apple 20W USB-C Power Adapter (A2305) worth the price difference over the Anker Nano Charger 30W (A2147)?+
The Apple 20W USB-C Power Adapter (A2305) is the cheaper option at $19 versus $22.99. Whether the pricier model is "worth it" depends on how much you value its lead in Value.
Which is better suited to my use case?+
The Apple 20W USB-C Power Adapter (A2305) is the better fit if you mainly care about compact. The Anker Nano Charger 30W (A2147) is the better fit for travel.
What's the warranty on the Apple 20W USB-C Power Adapter (A2305) vs the Anker Nano Charger 30W (A2147)?+
The Apple 20W USB-C Power Adapter (A2305) ships with a 18-month warranty; the Anker Nano Charger 30W (A2147) ships with a 18-month warranty. Always confirm current terms on the manufacturer's site before buying.
Should I wait for the next model instead of buying either of these?+
If either model is more than two years old, a successor may be close — check the "Latest Model" link on each product page. Otherwise, both are current, well-supported options and there's no strong reason to wait.
Premium Option
INIU 65W Dual USB-C GaN (I624) — $29.99
Specifications and prices for both products last verified . Scores are calculated from published specifications — see how we compare products.