WirthCo Battery Doctor Instant "State of Charge" Tester is designed to tell you if your battery is weak or fully charged with a push of a button. It works by attaching the ring terminals directly onto your battery. If your battery needs charging, simply connect the Battery Doctor Charger directly to your tester for a simple, tool-free connection. This tester comes with a 24 inch lead, peel-and-stick Velcro for easy mounting directly on or near your battery and a 3 ampere, in-line fuse. The instant tester has reverse polarity protection and only works with WirthCo charger models: 20025, 20029, 20060, 20066, 20070, 20076, 20085 and 20097. For over 30 years, WirthCo has been a prime manufacturer of practical products for making life easier and safer. California Prop 65 - Warning, This product contains chemicals known to the State of California to cause cancer, birth defects or other reproductive harm.
