Keep your child’s riding toy going and going with the Fisher-Price Power Wheels 6V Blue Charger. This 6-volt blue charger delivers a full and fresh charge for the 6-volt battery for your child’s Power Wheels toddler vehicles. 6-volt battery charger. For use with Power Wheels toddler riding toys 6-volt batteries. Must only be used to recharge Power Wheels 6-volt battery (sold separately).