New Galaxy user: Best battery to get.

[g3rain1]

I recently got an S3 (never owned a smartphone before) and I was wondering what is the best battery to get. All my flip phones could go a week to 10 days without a charge. With data, wifi & gps turned off and just letting it sit on my desk, no calls or texts, the battery lasts a little more than a day. I'm also the running Battery Doctor app by KS Mobile, but it seems to have made only a marginal improvement.

I don't want to get one of those super fat batteries that adds weight and thickness to the phone. Just one that will fit in the standard case back and get at least 2 days of idle.

I was looking at someone OEM batteries on Amazon because I thought maybe my battery was damaged or worn out somehow(the phone is bought used from Glyde)but they got a lot of negative reviews. Many people claimed they were counterfeit not genuine Samsung parts and wouldn't fully charge, or drained in a few hours. I don't want to waste money on something thats not going to work better than what I have.

So I turn to you experienced S3 users for advice. What is the general consensus you've come to over the past 2 years of phones life about batteries. What to get and where to get it.

Thanks.

 

[Rukbat]

Anker is a good battery, but don't expect 10 days standby on a smartphone. Two days? Install Greenify and you might get 2 days. Hibernate everything but those apps you need running constantly (like phone, text and email). Even the launcher can be hibernated, since it will wake up when you press button.

Another thing to consider is the lifespan of the battery (the time until you have to replace it). Maximum lifespan occurs when you charge the battery when it falls to 40% to 60% of charge, meaning that if you can squeeze out 2 days by running the battery almost to zero, you should be charging it nearly every day.

Oh, and condition the battery when you get it. Fully charge it with the phone off. Then use it normally (whatever is normal for you) without charging it again until the phone tells you to plug in the charger. Turn the phone off and fully charge it again. Go through 3 full charge/discharge cycles every time you get a new battery or the battery has been sitting for more than a few months (outside the phone, hopefully, or the drain from the phone's "off current" (the phone still draws current when it's "off" - it's only in a much deeper sleep thn when it's on and in deep sleep. The only time it's truly off is when you remove the battery.) will kill the battery beyond repair). People will tell you that modern Lithium Ion batteries don't need conditioning. They never did - as long as the battery was fresh. But one sitting in a drawer for a year does, and one you buy ... you have no idea how long it's been since the cell was manufactured. Conditioning can't harm the battery - using an almost discharged, unconditioned, battery can kill it quickly.