The Duracell 9 Volt Alkaline Battery is Duracell's best battery for electronic devices. Most TENS units will function with a 9 Volt Battery. Make sure you always carry an extra battery in the carrying case of tour TENS/EMS unit.
•Performs better than zinc-carbon batteries.
•10x more ampere-hour capacity.
•Works well under continuous drain conditions.
Size and Quantity: