Based on reviews posted on popular review sites as well as from Amazon Fire HD's website, Amazon Fire HD performs very well in terms of battery performance relative to other tablet stores.
One reviewer on cnet.com said Amazon Fire HD performs well on battery performance relative to its peers. You can read the full review here. Specifically, this reviewer pointed out the following:
The only downgrade I noticed in the specs is that battery life has decreased by 2 hours. It was rated at 12 hours for "mixed use" in the previous model. Now it's rated at around 10 hours. "[The] Fire HD 8 includes always-ready, hands-free Alexa, which impacts battery usage," an Amazon spokesperson explained to CNET. "There are hardware capabilities that help manage battery impact, but Alexa hands-free is also an optional feature. If you choose to turn it off, you may gain about 2 hours of battery life. You can still access Alexa by pushing the Home button."
The review site pcmag.com gives Amazon Fire HD excellent ratings for battery performance in a review posted on its website. From this review:
Battery life is solid. When streaming full-screen video over Wi-Fi at maximum brightness, the tablet clocked 6 hours, 14 minutes. That's a couple of hours short of the Tab 4 10 (8 hours, 11 minutes), but over an hour longer than the HD 8 (4 hours, 42 minutes). It should be enough juice to keep kids entertained during a long car ride, and you can always supplement it with a portable charger. Enabling Low Power mode and Automatic Smart Suspend helps extend runtime by tamping down screen brightness and turning off wireless connectivity when it's not in use.
Learn more at the company's website.
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Last reviewed July 18, 2019. Read all 3 battery life reviews.