HBC Dual Battery Monitor

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Battery monitor specifically for use in double battery systems.

The display automatically changes from one battery to the other every 5 seconds

It comes with an alarm that sounds when your battery is either overcharging (14.8V and up) or when it is running low (12.2V and lower.)

Accurate to less than 0.05V (50mV)

A built-in light sensor adjusts the display brightness according to ambient light.

To save power, the monitor will auto-sleep 10-30 minutes after battery is no longer receiving a charge.

Any warning or alarm condition will auto-wake the monitor. Or, press the button briefly to wake the monitor

If used with battery combiner, this is how you do it: