Yes.
Not sure but think you will need receipt
Like most merchandise you have 90 days to return it. The money is refunded how you paid. After the 90 days you are under warranty for an exchange. Don't forget they charged you a battery disposal fee. You should get that back too. There are exceptions to the return policy like cellphones, gas powered stuff and a few other items you have two weeks to return.
Should be able to
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