Keith McMillen Instruments Batt-O-Meter
Check hard-to-reach batteries via the 1/4" input on most instruments and effects pedals.
Fast, accurate, and easy to use, the Batt-O-Meter: saves you from risk and stress before a performanceSaves you money by extending the life of each batterySaves you time by checking battery life BEFORE you take things apartSave the environment by reducing the number of discarded batteriesThe Batt-O-Meter looks inside your instruments and 9-volt devices to measure voltage and remaining hours of use.
Quickly and accurate measure: how many volts a battery is deliveringHours left before the device runs out of powerThe remaining life in any 1.5-volt or 9-volt batteryPlug the gold-plated Power Probe into the 1/4-inch input on most instruments and effects pedals to test the life remaining in a hard-to-reach battery.
There's more! Test more battery types with increased precision: convenient slide switch differentiates between Alkaline, Rechargeable, and Carbon Zinc batteries.
The convenient right angle 1/4-inch jack enables you to check a hard-to-reach battery still inside of equipment. Just plug the Batt-O-Meter battery tester into virtually any battery-operated device with a 1/4-inch jack input and find out IF and WHEN to change its battery.