Amazon doesn’t specify the size of its battery, but the Fire HD 8 Kids Pro ran for 9 hours and 41 minutes when streaming HD video over Wi-Fi. The Fire HD 10 Kids Pro did a bit better at 10 hours and ...

Amazon’s kid-focused tablets center on the company’s Kids+ subscription service. The Fire HD 10 Kids comes with a one-year membership, though Prime members will need to pay $48 per year ($79 for ...