iWALK Small Portable Charger USB C Power Bank 4500mAh - Compact Backup

In this review the iWALK Small Portable Charger USB C 4500mAh is judged as a practical emergency power solution for anyone who needs a truly pocketable backup battery. The bottom line: this two-pack of lipstick-sized power banks is useful for short outings, flights, and as a gift set, because each unit plugs directly into a phone's USB-C socket for fast, cable-free topping up and supports pass-through charging so the bank can charge while being charged. It is best when you need a lightweight, occasional top-up rather than full multi-day power.

Key Features

• Plug and Charge: The built-in USB C connector lets you plug the power bank directly into compatible phones for a cable-free, simple recharge.
• 4500mAh Capacity: Each bank delivers roughly 0.9 times a Galaxy Z Flip3 charge or about 0.7 times for many S20-series phones, providing a meaningful emergency boost.
• Ultra-Compact Size: Lipstick-sized and lightweight, the power bank is easy to carry in a pocket or purse and permitted for air travel as a carry-on item.
• Pass Through Technology: You can charge the power bank while it charges your phone so you can use the phone during charging sessions without interruption.
• Two-Pack Gift Set: The set includes a black and a pink unit with two USB-C cables and a connector cover design that is easy to remove and replace, making it convenient as a paired gift.

Who It's For

The iWALK 4500mAh USB C power bank is ideal for commuters, travelers, and anyone who wants a compact emergency charger for daily short trips or flights; it fits in a small bag or jacket pocket and is especially convenient for phones with a bottom USB-C port such as recent Samsung Galaxy Z Flip and many Pixel and OnePlus models. The two-pack format also suits couples or families who want two matching units or a backup plus a primary.

Users who need large, full-day power for heavy gaming, prolonged GPS use, or multiple full recharges should look at larger capacity banks instead, because each 4500mAh unit provides under a full recharge for many flagship phones. Also, it is optimized for phones with a USB-C socket at the bottom; those with other connector arrangements may find it awkward to use while holding the device.

Pros & Cons

Pros

• Very compact and lightweight, making it easy to carry in pockets or small bags for daily convenience.
• Direct USB-C plug eliminates the need to carry separate charging cables for many phones.
• Pass-through charging lets you top up both the bank and the phone at the same time.
• Two-pack presentation with two cables and a user manual provides immediate readiness and giftability.

Cons

• At 4500mAh each, the banks deliver only about 0.7 to 0.9 of a full charge for many flagship phones, so they are not ideal for extended use away from outlets.
• Designed for phones with a bottom USB-C port, which may limit convenience for some phone cases or docks.

Specifications

Brand	iWALK
Capacity	4500mAh per unit
Output / Compatibility	USB C plug - compatible with Samsung Z Flip4, S23, S22, S21, Switch, Google Pixel and other USB-C phones
Pack	2-Pack (Black & Pink)
Included Accessories	2 USB Type-C charging cables and user manual
Special Feature	Pass Through Technology (charge phone while bank charges)

Our Verdict

The iWALK 4500mAh Small Portable Charger is a smart choice for people who prioritize portability and convenience over long run-time; the built-in USB-C plug, pass-through charging, and two-pack gift-ready presentation make it good value for short trips and emergencies. Buy it if you want a discreet backup that fits in a pocket and works straight out of the box, but choose a higher-capacity bank if you need multiple full recharges while away from power.

Frequently Asked Questions

Can the power bank charge while it is itself charging?
Yes. It uses pass-through technology so the bank can charge a phone while the bank is connected to power.

Will this fully recharge a flagship phone?
Each 4500mAh unit provides about 0.7 to 0.9 of a full charge for many flagship phones, so it is better as an emergency top-up than a full multi-cycle solution.

What comes in the box?
The set includes two 4500mAh USB C power banks (black and pink), two USB Type-C cables and a user manual.