We recommend the 9-VOLT ENERGIZER EVEREADY ALKALINE BATTERY for the Stun Master stun guns. Other batteries will not work as well. Warranty will only be honored if Energizer Eveready Batteries are used. You do not have to purchase them from us, but you do have to use them.
NOTE: We Can Not Ship To States Where Stun Guns Are Illegal:
Rhode Island, Michigan, Hawaii, Illinois, Massachusetts, New Jersey, Wisconsin, and New York.