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Apr 11, 2021 at 20:57
A 9V battery with wi-fi, so it can notify you when your smoke alarm is activated: https://getroost.com/product-battery.html I'm not sure I'd ever buy one, but it's an innovative way to build a noninvasive integration.
Page Not Found - Roost Home Telematics

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Feb 7, 2026 at 20:55
1
Today I learnt about "bypass charging", a phone feature where it can run directly off the mains without using the battery at all. No battery charging, less heat, less battery wear. Nifty.
Here are all the phones that support bypass charging, and why you should use it
Here are all the phones that support bypass charging, and why you should use it
Few phones on the market can draw power directly from the wall, bypassing the battery while charging. But are the benefits tangible enough?
Jan 4, 2025 at 23:09
I find it really interesting how some areas of tech are widely expected to improve radically (e.g. LLMs and smart home tech), others gradually (CPU speed, battery capacity) and others very slowly (e.g. compiler optimisations). Predicting the future is hard.
Jan 12, 2024 at 03:12
I've seen several companies offer a backup internet, e.g. Xfinity has "storm proof wi-fi", which is a battery powered cellular data connection. Eero Pro has something similar. I can understand the incentive, but it competes with using a phone. It shows there's a market for data all the time!