I totally agree and we are working on this. Mozilla is a small company and building an OS is no easy feat - but power is definitely one of the metrics on our ra

I totally agree and we are working on this. Mozilla is a small company and building an OS is no easy feat - but power is definitely one of the metrics on our radar. You can read about our testing methodology here: https://wiki.mozilla.org/B2G/Performance/Power_Testing https://wiki.mozilla.org/B2G/Performance/Power_Testing Edit - we are working on this from the software side of things obviously. The hardware side of things is mostly out of our control for production devices, but I do hope to see longer battery life for all.