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Powered Up: Your Custom Power Banks Buying Guide
Picture this: you're stranded in the middle of nowhere, with no access to an outlet. Your phone's battery is at 18%, and you have a crucial call to make and several emails to reply to. It's the kind of situation that can turn your day upside down in seconds.
Now, the battery drops to 15%. Every second feels like it's draining faster than before. Panic starts creeping in as you realize you might not make it through the day without power.
This scenario is all too familiar for many of us. While smartphones and tablets offer great convenience on the go, they’re useless without a charge. But with custom power banks, the days of hoping for a plug or waiting for an outlet are finally coming to an end.
If you're in the market for a portable charger, here are some key factors to consider before making your purchase.
**What do you mean by "capacity"?**
Capacity is measured in milliamp hours (mAh). Older phones had batteries under 1,000 mAh, while modern smartphones often go up to 3,000 mAh or more. Tablets, being larger devices, require even bigger power banks—sometimes up to 20,000 mAh or more. For example, an iPhone X has a battery capacity of around 2,716 mAh. A 10,000 mAh power bank could give you three full charges.
**How fast can it charge?**
The speed of charging depends on the current, measured in amps. The higher the current, the faster your device will charge. Most USB devices expect about 0.5A, while phones typically take around 1A, and tablets can need up to 2.5A. If your device supports fast charging or is a laptop, you'll need a power bank that can deliver higher currents.
Keep in mind that even if a power bank has multiple ports, it may not be able to supply the maximum current to all of them at once, which can slow down the charging process.
**Connectivity is important.**
Multiple ports allow you to charge more than one device at the same time. However, don't assume that all ports will provide the same charging speed. Some power banks may limit the output when multiple devices are connected.
**What about the cables?**
Check what types of cables come with the power bank. Most include a standard USB port, but you should make sure it’s compatible with your phone or tablet. Some newer devices use USB-C or Lightning connectors, so double-check the compatibility before buying.
**Lithium-ion vs. Lithium Polymer – What's the difference?**
There are two main types of batteries used in power banks: lithium-ion and lithium polymer. Lithium-ion batteries are the most common, known for their high energy density and built-in protection circuits that prevent overheating. They’re reliable and widely used in consumer electronics.
Lithium polymer batteries, on the other hand, are lighter, more flexible, and have no memory effect. They also tend to run cooler and can be made thinner, making them ideal for compact designs. However, they are generally more expensive and less common in mainstream power banks.
**Takeaways**
A good power bank should simplify your life—not complicate it. By understanding its capacity, charging speed, connectivity options, and battery type, you can choose the right one to keep your devices powered throughout the day.
**TLDR? Download the Infographic!**
[Download: Powered Up Your Power Bank Buying Guide]