Compatible Nintendo New 3DS XL /LL Mugen Power Triple Juice Power 6250mAh Replacement Extended Battery Upgradeable Kit "Not Including Game and Console" (Blue) Original Battery 1750mAh ; Mugen Power Extended Battery creats 6250mAh "Over 3X Longer Runtime" 8- 12 hours for nonstop play under brightness & largest volume setting Perfect seamless fit to New Nintendo 3DS XL device Extended Battery + Back cover + Screw diver as package for easy installation 12 Months Warranty