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 simultaneously.
• Low profile design fits inside TENS unit perfectly.
• Plugs into AC electronic outlet for power.
• Features a red LED light that indicates when the batteries are charging.
• Trickle charger; takes around 12 hours to fully charge battery.
• Sold individually.