timjet
Guru
- Joined
- Apr 9, 2009
- Messages
- 1,920
I installed my Victron battery monitor the other day and am out now at anchor. The readings I'm getting are not consistant with the battery state of charge from the battery manufacturer.
Here is the data after 13 hrs on the hook.
Voltage 11.8
SOC 86.6%
CE (energy consumed) 73.6 Amps
TTG (time until depletion) 11.87 hrs
The battery manufacturer, Decca, provides the following data
% charge Voltage
100 12.8
75 12.6
50 12.3
25 12.0
0 11.8
According to the Decca table and my battery monitor voltage reading the batteries are DEAD.
Batteries are 4 paralleled 105 AH AGM's about 4 years old.
The voltage was confirmed by a separate v meter.
I calibrated the battery monitor to 420 AH.
The SOC and TTG can't be right.
Idea's?
Here is the data after 13 hrs on the hook.
Voltage 11.8
SOC 86.6%
CE (energy consumed) 73.6 Amps
TTG (time until depletion) 11.87 hrs
The battery manufacturer, Decca, provides the following data
% charge Voltage
100 12.8
75 12.6
50 12.3
25 12.0
0 11.8
According to the Decca table and my battery monitor voltage reading the batteries are DEAD.
Batteries are 4 paralleled 105 AH AGM's about 4 years old.
The voltage was confirmed by a separate v meter.
I calibrated the battery monitor to 420 AH.
The SOC and TTG can't be right.
Idea's?