Hello,
I have a problem with most of my equipments, and it’s because they are battery operated. I would really like to remove the batteries once they die, in order to replace them with a cable plugged to the sector.
For example, I have right now a hair clippers that can totally run if it’s wired and if the battery is okay, but refuses to run once the battery is dead, even plugged in.
I have only basic electrical knowledge amd I’m afraid to simply make a bridge to replace the batteries. Would someone of you know what is the best/easiest solution ?
Thanks for your attention !
Hair clippers are probably a good example of something where you’d want to replace the batteries and not just remove them.
Lithium ion batteries are typically rated to discharge at 2-4 times their capacity. So a 2.5Ah cell is rated for 20 amps, but if you run into something tough it will easily deliver far more amps than that.
Those cells look like they’re wired in series so they’d want 8V at potentially 20+ amps which is not a small amount of power to run some wires to.
Without prior experience I would not mess with anything with a lithium ion cell.
Uhh, something tells me hair clippers are not pulling 160+W. It’s a small DC motor that vibrates some clippers, not an electric scooter.
You’d be surprised how much current a stalled motor will draw. It’s only going to be drawing that power for a short period of time though, not continuously like a scooter would.
They’ll run with less power, just expect them to struggle more.