Posted by a reviewer on Amazon

Thats saying something because i had it on 3d most of the time and max brightness

Posted by a reviewer on Amazon

The flashing red light stayed on for 8 hours in sleep mode

Posted by a reviewer on Amazon

Sunday still going only lost one bar of charge total played about 8 hoursmonday went down to 50 battery 24 bars toward end of gaming session played 1hr 30mintuesday 1 bar flashing red light during session but still going played 1 hr 30min

Posted by a reviewer on Amazon

Battery flashing while in sleep mode for 8 hourswednesday wake up battery light still flashing

Posted by a reviewer on Amazon

It lasted about 20 mins this morning before shutting off

Posted by a reviewer on Amazon

Pretty hefty and went on easy i had no idea how messed up my old 3ds battery was it was bulging when i took it out

Posted by a reviewer on Amazon

Being the start of my weekend i decided to see what it could do long term and played all day this was after a full 12 hour initial charge and around 10pm that night the red notification light started blinking

Posted by a reviewer on Amazon

I anticipated maybe an hour left even for a great battery but i kept playing until the system shut off at 334am