How Long Should My S9 Battery Last. Qualcomms Snapdragon 845 chipset is expected to power the S9 series in the US which is said to offer 30 better battery efficiency compared. In this case you may need to get a battery replacement for your Samsung device.

After that the battery capacity will drop by roughly 20. You should also clean the brushes regularly so that the unit wont be overworked and for the battery to last longer. I would say a good 16 hour at least and I hardly put my phone down.
I think itll last a while but mileage may vary.
I bought an S6 in May of 2015 and still going strongGave it to my mom when I got the S9. 9 rows The Galaxy S9s runtime is comfortably ahead of the smartphone category average of 9 hours and 50. Let it drain completely before recharging it. Pushing a battery longer than five years even under perfect driving conditions could cause your.

