Samsung's new Galaxy phone could have amazing battery life

Samsung's next phone, the Galaxy S7, will have a 48-hour battery life according to tweets from a Russian tech blogger Eldar Murtazin, translated by the International Business Times.

Murtazin, who has a decent record with gadget rumors, validates his claim with a screenshot showing the alleged Galaxy S7's battery life lasting over 48 hours. However, there's no indication in the screenshot that confirms the device Murtazin is using is actually the Galaxy S7. We have to take his word for it.

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The Galaxy S7 is said to have a 3,000 mAh battery, which is sightly larger than average for smartphone. The Galaxy S6 has a much smaller 2,550mAh battery, and an iPhone 6s has a relatively tiny 1,715mAh battery. 

Both those phones generally last about a day (or less, depending on how you use it), so it's entirely possible that the S7 would last longer by virtue of having a larger battery. 

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Still, the LG G4 has a 3,000mAh battery, and while the battery life was good, we weren't seeing anywhere near 48 hours of battery life during our testing. 

Reviewdao.vnOne reason why the S7 could last 48 hours on a single charge is the very likely claim that it'll run Android 6.0, the latest version of Android.

Android 6.0 has a feature called Doze, which puts Android phones into a deep sleep that dramatically reduces the amount of power it sucks from its battery when you're not using the phone.

The doze feature only works when the phone is completely idle and not touched for long periods of time, so it could have a huge impact on preserving power overnight or when it's sitting unused in your bag or pocket.

The S7 is also said to run on Qualcomm's latest Snapdragon 820 chip, which Qualcomm claims is 30% more power efficient than the previous 810 model. 

A combination of the Android Doze feature, a more efficient chip, and perhaps some wizardry in Samsung's software could all help in giving the S7 a huge battery life.

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