This I-Cybie has an aftermarket battery, pleases see pics. You don’t need to take out the battery to charge it. I just open the bottom compartment and plug in the charger. It takes about 4 hours to fully charge completely.

The I-Cybie GOLD Robotic Dog Vintage 2001 by Hasbro Tiger is a collectible electronic toy designed for children aged 12-16 years. It features advanced technology that allows it to interact and respond to the user through remote control. The iDog, iCat, and iFish series by Hasbro are known for their innovative designs and futuristic features, making this vintage robotic dog a sought-after item for toy collectors and enthusiasts.