Power charger output current: 16.8V (Will adjust the output current according to different devices, Power supply specifications：Input Volt Range: AC100-240V 50/60Hz ,Output: DC16.8V, so it is a substitute for all 16.8V power supplies Compatible with for LifePro Sonic, Sonic Mini, Sonic Pro,Fusion X, Sonic Pro, Youdgee H1 mini, Mebak 3, DamKee DK-01 02, Wattne W2 W1 Massage Gun Replacement Charger. Replaceable 16.8V 0.75A 0.8A 1A Massage Gun.(Don't fit with 12V, 24V or 25.2V Massage Guns) DC Jack Dimensions: 5.5*2.1 ， 4.8*1.7 / 4.0*1.7 / 3.5*1.35 / 5.5x1.7mm 16.8V AC/DC Massage Gun Charger Compatible with LifePro Sonic, Sonic Mini,Fusion X, Sonic Pro, Youdgee H1 Mini, Mebak 3, Cryotex, DamKee DK-01 02, Wattne W2 W1, jetbus