The main differences between the battery versions are capacity, control interface, and display features.
P60 Battery (Advanced Version)
● Equipped with Power, Speed, and Timer buttons
● Features a display screen and LED indicators
● Supports PE and PF training modes
● Larger battery capacity for longer usage time
P30 & P15 Batteries (Standard Version)
● Equipped with Power and Speed buttons only
● No timer button
● LED indicators only (no screen)
● Smaller battery capacity compared to the P60 version