Samsung Galaxy S5 Battery Issues

[Drop16]

Hi, I noticed a weird thing happen to my battery overnight. Earlier this week, I needed the phone on for a long time, so I turned the WiFi off (it lasted three days) and now the battery barely lasts one full day. That's literallt the only change I've made to the phone in the past week- turning the WiFi on and off. I've checked background processes. I've rebooted and cleared the cache in case I missed something. The graph in the "Battery" settings shows no significant battery drain. Even now I lost roughly 3% typing this, where last week I doubt I'd've lost any.

Any ideas as to what could be wrong?

TL;DR: Battery went from lasting two full days (WiFi on, light use) to lasting barely one day (same conditons).

 

[itguyjax8430]

Hi, I noticed a weird thing happen to my battery overnight. Earlier this week, I needed the phone on for a long time, so I turned the WiFi off (it lasted three days) and now the battery barely lasts one full day. That's literallt the only change I've made to the phone in the past week- turning the WiFi on and off. I've checked background processes. I've rebooted and cleared the cache in case I missed something. The graph in the "Battery" settings shows no significant battery drain. Even now I lost roughly 3% typing this, where last week I doubt I'd've lost any.

Any ideas as to what could be wrong?

TL;DR: Battery went from lasting two full days (WiFi on, light use) to lasting barely one day (same conditons).

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How old is the phone? Could be the battery going bad.