September 18, 2026 · 2 min read

Why iPhone Users Are Changing the Way They Charge Their Phones

Take a look around any airport, coffee shop, or train station and you'll notice something interesting. More and more iPhone users are cha...

By Alexandre Taya

September 18, 2026 · 2 min read

The Truth About Power Banks: Why More mAh Doesn't Always Mean Better

If you've ever shopped for a power bank, you've probably noticed that most brands compete on one number: battery capacity. 5,000 mAh. 10,...

By Alexandre Taya

September 17, 2026 · 2 min read

The Best Tech Products Are the Ones You Don't Notice

The most successful technology products often share something surprising in common. After a while, you stop thinking about them. You don'...

By Alexandre Taya

September 17, 2026 · 2 min read

The Problem With Traditional Power Banks Nobody Talks About

Portable chargers have become one of the most common tech accessories in the world. Millions of people carry one every day, whether they'...

By Alexandre Taya

September 9, 2026 · 3 min read

Why Traditional Power Banks Are Already Outdated in 2026

For years, bigger meant better. But in 2026, that idea is starting to feel outdated.

By Alexandre Taya

July 29, 2026 · 3 min read

What Is MagSafe and How Does It Work?

Since its launch with the iPhone 12, MagSafe has transformed the way we charge and use our smartphones—thanks to built-in magnets that at...

By Sigma Magnetics

• Guides
• MagSafe

July 29, 2026 · 6 min read

How MagSafe Power Banks Work (Physics, Alignment, and Everyday Carry)

How MagSafe magnets, coils, and induction work — and what to look for in a magnetic power bank for everyday carry.

By Sigma Magnetics

• Guides
• MagSafe
• Powerbank

July 29, 2026 · 1 min read

Welcome to the Sigma Journal

A quick look at how Sigma Journal helps you get more from magnetic everyday carry.

By Sigma Magnetics

• Guides
• MagSafe