• 2 Posts
  • 115 Comments
Joined 2 years ago
cake
Cake day: July 9th, 2023

help-circle




  • In the UK we have this thing called a Post Code. And unlike some other areas of the world (looking at you, US Zip Codes) this is quite specific in that it only refers to maybe a maximum of 20 addresses (for my street it is five, and I live in a city); you can send a letter / route to somewhere usually with just a door number and post code.

    So many services and apps want the first line of the address now, and then give you a list of addresses to choose from, many of which have the same street name and don’t show the post code clearly, if at all.

    This is a solved problem, and it used to be fine. Why are they making it worse? 🙄







  • I’d go even lower, maybe 50mA. The main issue you’re fighting is internal resistance, which will cause things to heat up. Your other issue is that I’ve averaged things, however it’s quite likely that one or more cells has a significantly lower voltage than others (and therefore a higher resistance) so can cause more risk.

    If you’re able to get the pack apart and measure the cells separately that will help a lot



  • I am assuming that 18v is 5 cells in series, with a nominal voltage of 3.7 x 5 = 18.5 volts. At 15.22 each cell is around 3 volts. 3 volts is usually considered the absolute minimum you can discharge cells to. (3.3v is considered flat) If it won’t charge, it’s probably dead.

    It might be possible to rig up a charger to very very slowly charge the battery up to about 3.3 volts, at which point the proper charger might agree to fully charge the battery, but with the cells already below 3.3v there’s a good chance it won’t work even if you did that. And it’s not without risks.






  • These really annoy me. I used to spend a lot of time in Sweden so I tried pretty hard to get an account set up to let me pay by swish. I gave up. If you’re not a resident you can’t get a person number so you can’t get a bank ID so you can’t use swish.

    What is frustrating is that lots of places I went required swish and wouldn’t take cash or card, so I ended up having to get other people to pay for me.

    I bet many other systems in other countries are similar