Guides to wireless charging, battery capacity and travelling with lithium cells — written by the people who build the X6, without the marketing gloss.
Power banks must fly in your carry-on, never checked baggage, and stay under 100 Wh. Here is how to convert mAh to Wh and check your bank in ten seconds.
Read the guideRated capacity and delivered capacity are different numbers. Here is where the missing 30% goes, and how to work out how many charges you will actually get.
Wireless charging fails quietly when the coils are misaligned. Here is why magnets fixed the problem, and what works with which phone.
What USB Power Delivery negotiates, why 20W is the sweet spot for phones, and why the last 20% of a charge is always slow.
Plastic is cheaper and lighter. Aluminium moves heat, holds tolerance, and survives being carried every day. Here is the reasoning behind the material.