Are you sure its not a bilge
If it IS a battery counter..
Originally Posted by a64pilot
Never seen one either, but it wouldn't be a difficult thing, all you would need is a counter that would set and reset at two voltages, say above 14 and below 12.5 or so.
I called trojan battery to ask what they meant by a cycle and this was their response:
"A cycle is when the batteries are discharged and then fully recharged. Cycles vary in their depth
of discharge...for example the batteries could be completely discharged and then recharged or they could be discharged only a small amount and then recharged. There are no specific requirements about the depth
I then contacted mastervolt and asked the same question regarding what constituted a cycle in their technology:
"The Mastershunt 500 counts cycles. These cycles are related to the set capacity in the shunt. Example: if you have a batterybank of 200Ah and discharge the batteries fully and re-charge them back up again this is counted as 1 cylce. The shunt also registeres smaller discharges so if you discharge 100Ah and re-charge to full this is put in the memory of the shunt. If you then discharge again 100Ah and re-charge to full the cycle counter will go up again.
So cycles are counted when 100% of the capacity has been used and also when this is done with 10 x 10%."
So clearly, there is no standard for what constitutes a cycle.