Can the 790cc be connected to the charger while in use? Or the only way to charge it is to have it face down in the cradle?
Charger can be connected while in use
Yes. ETA, PG beat me to it.
No
never happened to me
Is there a 'list' of halachically compliant shavers?
So you ask a Rov, didn't like his answer, and now you're asking the internets?
anyone hav the norelco 9000 series? http://www.costco.com/Philips-Norelco-Shaver-9400-.product.100223684.html this seems to be the best of norelco (without having to pay extra for the cleaning base)
Just bought the 9000 series norelco with SH90 bladethe lift and cut is changed and is not removable, I am not sure how this can be koshered