INIU / Nitecore

INIU P62-E1 vs Nitecore CARBO 20: Which Power Bank Is Best?

The INIU P62-E1 and Nitecore CARBO 20 offer the same 20,000mAh capacity and 65W output, but the CARBO's narrow pocket-friendly shape comes at a steep premium

3 min readAug 28, 2026By Eric Denby

Quick Take

The INIU P62-E1 is the recommendation for most travelers because it delivers the same headline capacity and output for $46.99.
The Nitecore CARBO 20 is the absolute best pick if price is secondary to pocket-friendly size, waterproofing, and build quality.

INIU P62-E1 and Nitecore CARBO 20 power banks side by side — Both batteries put 20,000mAh and 65W output into a surprisingly small package, but they make very different value arguments.

The INIU P62-E1 is the one most people should buy. It gives you 20,000mAh, 65W output, and three ports for $46.99.

The Nitecore CARBO 20 is the better product. It packs the same capacity and output into a much narrower, waterproof carbon-fiber body. It also costs $179.95.

They weigh almost exactly the same: 323g for the INIU and 320g for the CARBO. This comparison is about price and shape, not weight.

The CARBO 20 Is About 18% Smaller by Volume

The CARBO measures 5.04 x 1.89 x 1.14 inches. The INIU is shorter but much wider at 4.3 x 2.8 x 1.1 inches.

That works out to roughly 178cm³ for the CARBO and 217cm³ for the INIU. The CARBO is about 18% smaller by bounding-box volume and nearly an inch narrower. It fits beside a phone or into a slim jacket or sling pocket much more naturally.

That pocket-friendly shape is the strongest reason to spend more on it.

INIU Wins on Price and Ports

Both batteries can charge phones, tablets, handhelds, and many USB-C laptops at up to 65W. Both have percentage displays and carry-on-friendly capacities below 100Wh.

The INIU has the better port setup: two USB-C ports plus USB-A. Its detachable 100W USB-C cable also doubles as a carry loop. When charging two USB-C devices, it can split power up to 45W plus 20W.

The tradeoff is recharge speed. The INIU accepts up to 45W input, while the CARBO supports 65W input and output.

CARBO Wins on Durability and Pocketability

The CARBO combines its narrow body with a carbon-fiber shell, magnesium-alloy heat sinks, and IPX8 water resistance. It feels like purpose-built outdoor gear rather than a plastic battery brick.

It is also less flexible with multiple devices. Connect two devices and total output drops to 15W. The CARBO is best when you value size, durability, and fast one-device charging.

Which One Should You Buy?

Buy the INIU P62-E1 for normal travel. It delivers nearly the same charging performance, handles multiple devices better, and saves $133.

Buy the Nitecore CARBO 20 if you want the absolute best compact 20,000mAh battery. Its narrow shape really does fit a pocket better, and its waterproof carbon-fiber construction is in another class.

Our recommendation: INIU for value, CARBO if you want the best.