Custom Muscle Massage Gun battery,24V 2500mAh 5C Fascia Gun battery pack Voltage:24V Capacity:2500mAh Type:Li-ion Continuous operating current:3A Protection function:Overcurrent protection, over-discharge protection, overcharge protection, temperature protection Fit for :Massage therapy vibration gun,Massage Fascia Gun,Handheld Muscia Gun,Portable Medical devices etc OEM and ODM are welcome