Tinker Vault blog

If you are flying to China with a power bank, the usual limit of up to 100 Wh is not enough. On a domestic flight within China from June 28, 2025, the device must have a clear CCC mark and must not belong to a recalled model or batch. The rule is checked at pre-flight security: an absent or illegible mark means the power bank cannot enter the cabin. CCC is not an international aviation certificate. It is mandatory Chinese product certification. It matters to travelers chiefly

Image source: Apple Newsroom The MacBook Pro 16" is Apple's most powerful laptop, and it reaches its top charging speed from a 140W charger (PD 3.1). The bundled kit (a 140W adapter and a USB-C to MagSafe 3 cable) is excellent, but not perfect. Its weak points: a single USB-C port (you can't charge several devices at once), weight and size, and a limited set of supported charging protocols. Below, we take a closer look at the charger and cable requirements for the MacBook Pro

Portable gaming consoles and handheld gaming PCs let you play at home or on the go. However, their high performance requires a sufficiently powerful power source. A smartphone charger may be too weak: the console may charge slowly, stop charging while you are playing, or limit its performance. Most modern handheld gaming devices charge through USB-C. However, a USB-C port alone is not enough. The charger must support USB Power Delivery and provide sufficient power through a s