Samsung S9 comes with a 3000 mAh battery providing a talk time of about 22 hours this is not much different then the S8 before it. you have the ability to charge with a micro USB-c cord or it also offers wireless charging although the wireless chargers are still a bit pricey. There are many settings that can be adjusted to enhance battery performance. One easy way is switching the phone from vibrate mode to ring mode I am not so sure how that saves battery. Another way would be to keep light dim. For most daily users the battery is sufficient for use but for a heavy user that is using more often, it may not last for an entire day of use.
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