Anyone able to recommend a laptop battery supplier? Looking for a Dell 7490 replacement.
There are so many manufacturers and most brands you've...
Sold between 2013 and 2015.
im looking for some help building an ir led array
i have about 140 10mm IR leds to power and i need to be able to do it from batteries......
My Dell Inspiron 6400 battery has given up the ghost.
Only get about 30 mins from it now and it doesn't want to charge.
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