Why is my battery life draining so fast?

[AC Question]

why is my batterie life draing so fast

I real not sure but batter life is drawing real fast I don't now but my screen display said using 43 % support & protection is 16% by 12pm after taking off charger and not really using anything I am all ready at 75% used please help thanks
by nine last night I was at 11 %

 

[Rukbat]

1. The screen is using 43% of the amount being used, so it's using 10.75% of the battery (only 25% of the battery was used).

2. Turn down the screen brightness, and set the screen to turn off after no more than 30 seconds of inactivity. The screen is about the largest battery consumer.

3. Protection, if it's doing a scan, will use a lot. There are virus scanners that will only run when the device is powered, so that won't eat battery.

4. Never let the battery get that low. Never let it get below 40%. (It doesn't matter if you can't - get a power bank if your usage is such that you need more than 60% of the battery's capacity before you can recharge it. Draining it to 10% all the time will give you about 8 months of battery life.)