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De Walt seems to work pretty well. I've been working with a friend who does a lot of their own work and although they have a few of bits of Festool they use De Walt for everything else. We joke about it but any time I've used one of them on site it's been fine for the job.
Pro De Walt users I've seen struggling with batteries despite having a charger plugged into every socket on site and the entire workspace covered in battery less tools. At least that's where my feelings about them as pro tools come from.
FWIW battery powered everything seems unnecessary to me. Unless you work on sites prior to the installation of power.
For info, in the Bosch power4all range, I have the below;
Drill - totally fine, working as new.
Impact driver - again, totally fine, as new. Probably not a torquey as other brands but I've put 6" PZ3 headed screws into wood no bother. Couldn't quite manage 12mm thunderbolts into concrete, but I'm not doing that everyday.
Circ saw - shit. Stalls on even thin ply.
Jigsaw - ok, but struggles to keep a straight cut on anything except thin sheets
Vacuum - ok if you clean the filter every time you empty it
Strimmer - not great but very handy/light
Random Orbit Sander - ok, but eats through my 1.5ah batteries