My original 3DS which I bought after the first price drop could barely hold a charge. I used some money from tax return to buy a New 3DS XL as an "excuse" to upgrade. I knew I could replace the original 3DS's battery and eventually ordered one for 15 plus 5 for shipping off Nintendo's website. It was pretty obvious it needed replaced considering it is bulging on both sides in the middle (I'll recycle at a battery store eventually). So my original 3DS should be almost good as new and it was a pretty easy process that didn't cost that much money (had a small screwdriver which I used previously for upgrading my Wii U gamepad battery to the 2550mAh , they cost me a little over 2 dollars for a pair).
I was just wondering if anyone out there had a 3DS battery go bad on them also? For those that haven't do you notice a decrease in battery life?