[16.8V charger]: This charging cord for massage gun output DC 16.8V 1A max. cable length: 5Ft. 16.8V 1A charger comes with 7 DC Plugs, Center Positive(+) [Compatible Models]: 16.8V dc massage gun charger compatible with LifePro Sonic, Sonic Mini, Sonic Pro,Fusion X, Sonic Pro, Cryotex, Youdgee H1 mini, Mebak 3, DamKee DK-01 02, jetbus, sportneer, e-pluse, Wattne W2 W1 Massage Gun Replacement Charger [8 DC Plugs]: The 5.5x2.1mm DC charger with 7 interchangeable tips can charge more 16.8V devices like drill, for 14.4V 14.8V 16.8V 4-string Lithium Battery Pack. The outer diameter and inner diameter sizes are 5.5*2.5mm, 5.0*3.0mm, 4.8*1.7mm, 4.0*1.7mm, 3.5*1.35mm, 3.0*1.1mm, 2.5*0.7mm [Charging Protection]: 16.8V battery charger provides over-temperature protection, short-circuit protection, over-voltage protection, over-current protection, and overload protection. Since the massage gun is prone to static electricity during use, in order to avoid damage to the charger interface due to static electricity, static electricity protection is also added to provide more comprehensive protection [Guide to Use]: In order to ensure safe and long-term work, please be sure to check and confirm that the voltage of your massage gun is 16.8V before charging, and the maximum current does not exceed 1A. If you have any questions, please to contact us Basicvolt 16.8v Charger for Massage Gun Power Adapter Compatible with Charging Cord for Massage Gun LifePro Sonic, Sonic Mini, Sonic Pro,Fusion X, Sonic Pro, Youdgee H1 mini