Charging small portable power bank

In short, you need a power source, the right cable, and maybe a cup of coffee while you wait. Most power banks charge through a USB connection — usually USB-C, micro-USB, or Lightning, depending on the model and the brand. You can plug them into a wall charger, your laptop, or even that portable power station you bought for camping. Sound simple?

For faster and safer results, use a wall adapter—preferably one that supports 5V/2A or higher. If your power bank supports fast charging, look for a charger that supports Quick Charge or USB Power Delivery. A higher-wattage charger can cut charging time in half. It sounds basic, but this matters.

Unless the device specifically supports pass-through charging, doing this can generate extra heat and slow down the charging process. If you're wondering how to use a power bank to charge a phone while charging the power bank itself, it's possible on some models, but it's generally better to let the power bank finish charging first.

The charging time varies with the power bank capacity and charging method. A small power bank (like 5000mAh) would take roughly 2 to 3 hours to charge using a standard charger, but a larger one might take 6 to 8 hours or even more. Want to charge faster? Use a fast charger or a higher-power USB-C port.

Iniu Power Bank BaI-B64 for $72: Offering relatively low prices, Iniu is a power bank brand on the rise. This portable charger packs a 27,000-mAh capacity, can put out up to 140 W, and charges three devices at once via two USB-C ports and a single USB-A port.

A portable power bank allows you to charge your devices anytime, anywhere, making it a versatile accessory for modern lifestyles. Its compact size and lightweight design make it easy to carry in your pocket, bag, or purse without adding unnecessary bulk.