Solar calculators can run off ambient lighting and BLE is very efficient so you’ll get months of runtime from a few hours in the sun, and most people leave their house (or refrain from using the PC in the daytime) at least that much.
I wonder if the “battery lasts 10 years” claim refers to a single charge or its chemical lifetime, either is possible with BLE and the form factor.
muad_dibber@lemmygrad.ml 14 hours ago
Not really. I have a logitech mini pop keys bluetooth keyboard, and it has a year-long battery life with 2 AAA’s. The Pro ones with key backlights have week-long battery life.
This is easily doable.