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The BM1 Battery Discharge Indicator is a device that allows you to check the battery discharge level, which, by simple construction and small dimensions, can always be on hand and provide support when equipment is not available. This device can be connected to the battery and continuously check the parameters by informing the audio signal of the voltage drop below a certain value. This is a very good product for mechanics and electricians in auto workshops who want to keep track of the battery charge.
• Warning at a voltage drop below 12,2V
• Current consumption: below 2mA
• Current consumption with a sound alarm on: below 80mA
• Sound alarm every 10 secs
• Reverse polarity protection