ok. its really easy.
To charge your battery you have to go to sleep, but I think to find it you should go to Dr. F.
Personally I love them both. But most people say they favor My sims kingdom more than My sims.
MY sims kingdom is better than that JUNK...
My sims is less customize able and are short while Sims can come with many faces and possibly have expansion packs and stuff packs.