After you format providing you have proper driver's installed and reboot recovery you should be able to copy files from pc. If you do the format you have to reboot recovery before you can copy files over, told you twice to be sure
I had no problems doing this, as long as you have a mi account. Fastboot rom and check re-lock bootloader. Then log in with you're account details. Of course you then have to apply for bootloader unlock linked to you're account.
Where you from I have 2 spare batteries 1 brand new. They have different connector trust I made the mistake, turned out not too be the battery. I got my money back for the mi note battery as they listed it for both phones. BM 34 fir the pro version no other will fit.