HBC Dual Battery Monitor<?xml:namespace prefix="o" ns="urn:schemas-microsoft-com:office:office"?></o:p>
Battery monitor specifically for use in double battery systems.</o:p>
The display automatically changes from one battery to the other every 5 seconds</o:p>
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.)</o:p>
Accurate to less than 0.05V (50mV)</o:p>
A built-in light sensor adjusts the display brightness according to ambient light.</o:p>
To save power, the monitor will auto-sleep 10-30 minutes after battery is no longer receiving a charge. </o:p>
Any warning or alarm condition will auto-wake the monitor. Or, press the button briefly to wake the monitor</o:p>
If used with battery combiner, this is how you do it: