89 mid cabin paralleling solenoid
Posted: Thu Sep 14, 2023 10:32 am
I just installed a 100ah lithium battery to run my 1000 watt inverter
I installed a Victron 30amp dc/dc non isolated charger to charge the lithium battery
The dc/dc charger is powered by my starboard agm start battery
On a 3 hour trip (around 3000rpm) with a fully charged lithium battery no issues.
After 3 days on a mooring occasionally running the generator to charge things we
returned home. I am fairly sure the lithium battery was not fully charged.
About half way home the engines started dying, they were not getting enough
from the alternators, the gauges at the helm both read just under 12v
I disconnected the dc/dc charger and things returned to normal.
The charger puts out 30amps (or consumes) it was set to trigger at 13.4v I now increased it to 13.8v
Why the problem and why both engines were affected is a mystery to me.
Is it possible that the paralleling solenoid automatically connects the two batteries when the engines are running
and one battery is low?
I installed a Victron 30amp dc/dc non isolated charger to charge the lithium battery
The dc/dc charger is powered by my starboard agm start battery
On a 3 hour trip (around 3000rpm) with a fully charged lithium battery no issues.
After 3 days on a mooring occasionally running the generator to charge things we
returned home. I am fairly sure the lithium battery was not fully charged.
About half way home the engines started dying, they were not getting enough
from the alternators, the gauges at the helm both read just under 12v
I disconnected the dc/dc charger and things returned to normal.
The charger puts out 30amps (or consumes) it was set to trigger at 13.4v I now increased it to 13.8v
Why the problem and why both engines were affected is a mystery to me.
Is it possible that the paralleling solenoid automatically connects the two batteries when the engines are running
and one battery is low?