minus-squarebladerunnerspider@lemmy.worldtoNo Stupid Questions@lemmy.world•Is it more energy efficient to charge a phone/tablet using a desktop/laptop while your computer is being used vs using the charger?linkfedilinkarrow-up12·2 months agoCharging at higher voltage is more efficient (at least on electric vehicles) but also your phone is such a relatively small battery it barely matters. Avoid wireless charging as it is extremely inefficient. linkfedilink
minus-squarebladerunnerspider@lemmy.worldtoNo Stupid Questions@lemmy.world•How many USB hubs can you daisy-chain to a single port and what will happen if you connect too many?linkfedilinkarrow-up49arrow-down8·8 months agoThere is an LTT video on this subject if you care to look for it. linkfedilink
Charging at higher voltage is more efficient (at least on electric vehicles) but also your phone is such a relatively small battery it barely matters. Avoid wireless charging as it is extremely inefficient.