A common way of shortening the life of an AGM battery is to use an older charger, which doesn't put the necessary higher voltage into them.
Ideally, 14.8V at peak, and dropping as charge comes up.
Been through this recently with my bike batteries.
£25 off ebay. Not current generation, but more than good enough for domestic use, unless you're Doctor Doom in his hollowed-out volcanic island.
https://www.grandstream.com/products/ip-voice-telephony-gxp-series-ip-phones/gxp-series-high-end-ip-phones/product/gxp2140
Common parlance applies.
A machine screw is threaded all the way up.
A bolt is only partly threaded and the shank is designed to resist shearing force.
I just checked, I'm on https://www.freevoipdeal.com
They have an outlet in the UK, too.
This discussion prompted me to buy another Grandstream phone, as the buttons of the old one were starting to need a good stab to connect.
If something is left in a spot (after moving house, for example) for long enough, that's where it belongs, because every time you look for it, that's where you'll find it and put it back there. Until one day, the light dawns and you finally scope out a place for it, where it really belongs, in a...
Sitting here, quite the thing, just another day in Paradise, when I heard a muffled pop from the back room. Didn't think anything of it and for a good twenty minutes didn't go downstairs. As soon as I poked my head into the area I was assailed by the whiff of burning electrical plastic..
Turns...