If the cord that plugs into the power supply has a standard USB-A=20 male connector on it, you won't damage anything by trying it. The=20 old charger may not be able to negotiate current above 500 mA but=20 that may not be a problem. Your only option is to try it. dwayne At 10:01 AM 1/6/2016, Martin McCormick wrote: > As an electronics experimenter, I feel kind of dumb >asking this question because it sounds so simple. > > We have an Appletv whose remote has the new Lightning >connector on it. The remote came with a cord but no charger. > > My wife has an older iPhone whose charger originally had >the 25-pin Apple connector on it's charger. The Lightning cable >fits it just fine but is it safe to use? > > If the charger is your basic USB 5-volt source and the >intelligence for knowing when to stop charging the battery is in >the remote, itself, I would think it would be okay. If not, that >remote might be a very expensive firecracker. > > I don't have any good way to test for sure which is why I >am asking. Again, the charger power adaptor was sold with the >iPhone so it isn't just a no-name wall wart from who knows where. > >Thanks. > >Martin WB5AGZ >-- >http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive >View/change your membership options at >http://mailman.mit.edu/mailman/listinfo/piclist --=20 Dwayne Reid Trinity Electronics Systems Ltd Edmonton, AB, CANADA (780) 489-3199 voice (780) 487-6397 fax www.trinity-electronics.com Custom Electronics Design and Manufacturing --=20 http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .