How much battery does a 3DS use up on standby with streetpass on

nintendo-3ds-3dsxl-2dsstreetpass

I have my 3DS in my coat when I walk to work, to get play coins and catch any potential street passes on the way in. I'll usually leave it sitting in my coat while I work, so I can take it back out for more at lunch and again at the end of the day.

However it's not clear whether or not I'm using up a lot of battery this way, especially as it's left sitting in my pocket for hours while I just work. Does anyone have any information on how power hungry standby/streetpass are?

Best Answer

According to this IGN Article, all versions the 3DS and the 2DS should have a battery life of about three days when in sleep mode.

Here is a simple chart comparing all the major differences between the three major Nintendo 3DS models: 

    Battery Life    Nintendo 2DS     Nintendo 3DS XL     New Nintendo 3DS XL
    3DS gaming:     3.5-5.5 hours        3-5.5 hours         3.5-7 hours
    DS gaming:          5-9 hours         6-10 hours          7-12 hours
    Sleep Mode:           3 days             3 days              3 days

You can find an archived copy of the original source here. It appears to have been published by an official Nintendo website, so it should be reliable.

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