Battery equalization in southern California
I'm looking for a place or a person in southern California that can equalize my 2 Trojan t105s. I called a couple local battery shops and they didn't know what I was talking about. I know a few of you...
Forum Discussion
Hi,
A few data points:
Above 15.4 volts the computer boards in an RV are at risk.
Charging voltage at -30 c (-22 f) is 16.2 volts.
Charging voltage at -25 c (-13 f) is 15.12 volts.
Gassing voltage at -20 c (-4 f) is 17.82 volts.
Gassing voltage at 0 C (32 f) is 15.24 volts.
Gassing voltage at 40 C (104 f) is 13.98 volts.
Gassing voltage at 50 C (122 f) is 13.8 volts (13.2 volts for charging).
In short, it will be difficult to equalize below freezing, and darn hard to charge at below -25 C (-13 f), without a battery disconnect to prevent damage to the computer boards.
I was at -35 C (-31 f) for some weeks this year. I kept toggling my PD 9140 to 14.4 volts, and solar was at 15.4 volts most of the day.
A few data points:
Above 15.4 volts the computer boards in an RV are at risk.
Charging voltage at -30 c (-22 f) is 16.2 volts.
Charging voltage at -25 c (-13 f) is 15.12 volts.
Gassing voltage at -20 c (-4 f) is 17.82 volts.
Gassing voltage at 0 C (32 f) is 15.24 volts.
Gassing voltage at 40 C (104 f) is 13.98 volts.
Gassing voltage at 50 C (122 f) is 13.8 volts (13.2 volts for charging).
In short, it will be difficult to equalize below freezing, and darn hard to charge at below -25 C (-13 f), without a battery disconnect to prevent damage to the computer boards.
I was at -35 C (-31 f) for some weeks this year. I kept toggling my PD 9140 to 14.4 volts, and solar was at 15.4 volts most of the day.
