I just use FF and leave the stock OS browser (typically Edge or Safari) "clean", ready for those battery-saving times. The other day I only had a 20W laptop ch

I just use FF and leave the stock OS browser (typically Edge or Safari) "clean", ready for those battery-saving times. The other day I only had a 20W laptop charger, which I know is only enough to slow down battery discharge with FF; used Edge, and the battery actually charged significantly. Same experiences I had with Safari. I'll keep using Firefox, because it's good for the ecosystem, but when battery is an issue, I switch.