The BMX Resource Hub

Insights on battery safety, solid-state power, and smarter mobile charging,
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Airport terminal scene, 2026 airline rules for carrying power banks in carry-on
Battery Safety

Power Bank Rules on Planes 2026: Latest Updates, United, IATA Limits, Airline-by-Airline

Updated April 2026: United Airlines now bans overhead bin storage of power banks (effective March 1). The 100 Wh carry-on limit, IATA DGR 67th Edition, in-flight bans across 20+ airlines, and full ...

ComparisonBMX SolidSafe Air, the thinnest Qi2 semi-solid-state MagSafe power bank

Best Slim Power Banks in 2026: Ultra-Thin Portable Chargers That Fit Your Pocket

Best Slim Power Banks in 2026: Ultra-Thin Portable Chargers That Fit Your Pocket Last updated: February 14, 2026 Quick Answer BMX SolidSafe Air (6.8mm, semi-solid-state battery, $59.99) - The thin...

Battery SafetyBMX SolidSafe power bank charging on a bedside pillow, safe overnight charging scenario

The Complete Guide to Power Bank Safety

Power bank safety isn't just about certifications - it's understanding what's normal, recognizing danger signs, and choosing battery architecture that reduces thermal runaway risk at the chemistry ...

Battery SafetyHorizontal illustration of a semi-solid-state gel polymer electrolyte battery structure

Semi-Solid-State Power Banks: How Gel Polymer Electrolyte Reduces Fire Risk

Semi-solid-state power banks trap liquid electrolyte in a gel matrix that can't flow freely to help prevent catastrophic fires when the battery is damaged. The technology is already here, and the s...