Tinker Vault blog

A power bank has long stopped being just an “emergency battery for your phone”. Today, it can be a compact 5000 mAh magnetic model for everyday top-ups, or a powerful 20,000-27,000 mAh battery with USB-C Power Delivery for a tablet or laptop, including USB PD 3.1 support and up to 140W. Even wireless charging has changed: Qi2 brought magnetic alignment and 15W, while the new Qi2 25W profile raised the bar even higher. That is why capacity in mAh is an important parameter for

Modern smartphones from the related brands Xiaomi, Redmi, and POCO are charged primarily via the proprietary HyperCharge protocol, which is known for its high power, reaching 300W, and for using proprietary USB-A - USB-C cables capable of carrying high current, up to 10A and above. Over time, Xiaomi added support for the PD protocol to its HyperCharge chargers, most often with power up to 65W. When using the original cable, such a charger can be used to charge, for example, a

Image source: Apple Newsroom The introduction of the USB-C port in Apple’s portable devices has enabled the company to expand its capabilities for increasing charging power using the Power Delivery (PD) standard, which it has been consistently implementing to boost charging power and speed in its new devices. Apple Smartphones 2025-2026 (April): iPhone 16e (2025) supports PD charging at 5V, 9V up to 3A (up to 25W at 9V in real use, theoretical max. is 26W - documentation) iPh