If you find the battery on your Nintendo 3DS just isn’t powerful enough for your needs, get a PowerSkin Gaming Case for Nintendo 3DS. This PowerSkin case has a built-in, 2000mAh rechargeable battery that doubles your battery life and promises up to 12 hours 3D gaming and 18 hours 2D play. LED status lights can warn you when the reserve power is running low. The case is 100% recycled materials, and it can protect your Nintendo when it’s dropped. The case is available for pre-order now. It’s available for $69.99 ($10 off the normal price) and will ship 12/15/2011.