The IPV3 Li is the newest edition to the Pioneer4you family. It’s a newer edition in the IPV Line. It has the same outershell as the IPV 3, but internally, it’s constructed and designed differently. The IPV3 Li is a165w, and will soon be upgradeable to 200w, with temperature control. As well, it uses a YiHi Chip (temperature control chip). On the original IPV3, you would have to unscrew 2 screws to access the battery ports, but on the IPV3 Li, it’s attached to magnets! It’s now more convenient for you to change the batteries. As well as the old IPV3, the touch sensor was not available to use, but now the touch senor on the IPV3 Li is activated.