V Smile Pocket Power Pack - Battery Only This is an extra battery for use with the V Smile Pocket Power Pack The V Smile Pocket Power Pack only works with the V Smile Pocket Learning System. Does not work with the V Smile Cyber Pocket This item is an extra battery only. It can only be used with the vsmile power pack. This item requires the use of the rest of the power pack parts. This is a replacement battery only for the power pack.