There is a base level of expected performance from a tablet?s battery, however, and I think the Prime now at least meets it. In our best case scenario, the Peacekeeper Browser Benchmark at 30% brightness, the Prime lasted over eight and a half hours. And don?t think that 30% brightness is an unrealistic setting, either. If you aren?t using the Prime in a brightly lit room or near an open window on a sunny day, 30% is adequate."
Any major computer upgrade generally requires a full software reinstall too. No so if you heed the advice in the guide to Upgrading a Motherboard without Reinstalling. PCSTATS Tips