This Upgrade Converter (battery not included) allows Peg-Perego 12v ride on toy vehicles run on common 18v/20v Lithium-ion tool batteries without modifying original wiring or cut off terminal plug. The vehicle speed is up to 75% faster after convert to Lithium battery power. Much more fun!

Reference operation time (tested with Polaris Outlaw 37lbs rider on flat field)
4Ah Lithium battery         17 mins continuous operation
5Ah Lithium battery         21 mins continuous operation
6Ah Lithium battery         26 mins continuous operation
8Ah Lithium battery         34 mins continuous operation
9Ah Lithium battery         39 mins continuous operation