A:AnsweriPad Mini only has two storage options: 64GB and 256GB, some of which is used by the operating system. If you think the files and apps you will be downloading are large, then definitely go for the 256GB.
A:AnswerYou get many hours of light use or video and with the provided 20 watt charger it charges pretty fast less than 2 hours to full but you get a pretty substantial charge in 35-45 minutes