Where can I get a battery for my Android phone?

Episode 1311 (1:26:09)

Pamela from Studio City, CA
Samsung Galaxy S7

Pamela got a replacement Galaxy S5 phone from Samsung, but it came with no battery. Where can she find one? There are reputable third party battery makers out there. Leo says that she can look to Amazon for it. Pam is also due for an upgrade. Should she get an Samsung Galaxy S7? Leo says that the S7 is much better than the S5, but it doesn't have a removable battery. The camera is remarkable, though. Another option is the Samsung Galaxy Note 7, but the Galaxy S7 is the phone of the year.