The Dual 9V Battery Charger is capable of conveniently
charging two batteries simultaneously to keep your TENS unit powered. It
also features a low-profile design that fits perfectly inside your TENS unit.
Charges two 9V rechargeable batteries
simultaneouslyLow profile design fits inside TENS unit
perfectlyPlugs into AC electronic outlet for powerFeatures a red LED light that indicates when the
batteries are chargingTrickle charger; takes around 12 hours to fully
charge batterySold individually