I looked around and found that lithium ion batteries will range from 100-270 Wh/kg and up to 10 kW/kg.

So these particular batteries are sort of an improvement, less energy by weight but better power if I understand correctly. Definitely not an expert.

They must have come up with some sort of plan to merit losing some nitro users for harvesting personal information.

I always thought fallen angels had their wings stripped rather than choosing to not be there. Unless that was the reason they had their wings taken of course.