The Rechargeable Power Pack makes it easier than ever to recharge your InnoTab® 3 or 3S! Simply install the left and right battery packs into your InnoTab®, connect the AC Adaptor and plug it into the wall. In approximately 4 ½ hours, your InnoTab will be completely charged. The charging takes place inside the system, so there’s no need to remove the batteries. It's never been more convenient to keep your child's InnoTab powered up for hours of learning fun!