Power Switch Controller Batteries - Is This a Good Idea?

This is essentially your hot swapping in mid game or mid match. There's a little bit of juice in there to keep the keep thea controller going, so you don't miss to beat. So when you're ready to go, you just snap that right back in and you can have the new one. You're still power, you never lose power. This will hold for about ten, 15 minutes, enoughto finish a match, whatever you're playing. We've been hearing wonderful things about this, and an idea like using it quite a bit.