
Anker
¥14,990
¥10,490
This is an Anker mobile battery (25,000mAh) model equipped with a convenient “built-in, retractable USB-C cable.” Just take it out and start charging—it's especially a great fit for anyone who finds cable management in a bag stressful. With PD support, it can be used not only for smartphones but also to power and charge many notebook-PC style devices.
The standout feature of this model is that the USB-C cable is built into the main unit. Plus, because it’s retractable, you can extend it quickly to connect when you need it, and tuck it away compactly when you don’t. It’s a smart choice if you want to reduce the hassle of tangled cables inside your bag.
With PD (Power Delivery) support, this is designed for charging everything from iPhone/iPad and Android smartphones to notebook-style devices like MacBooks and Windows PCs. Because it can deliver power in a high-output class, it’s there for you in situations like, “I might run out of battery on a sudden outing.” *Please confirm compatibility based on your device’s input specifications to determine whether charging is supported in practice.
Designed for in-cabin carry-on, this makes it easy to use during business trips or travels—another welcome point. In addition to your everyday smartphone use, it’s also convenient as a sub-battery for tablets and laptops, and it’s ideal for people who want to consolidate their charging setup into one device.
Pros

Things to Note
Effective price after points: ¥10,385