Domestic batteries pancaked!

[mireland]

Visited the boat today to see that all was well and it wasn't! Domestics so flat the NASA monitor not even showing its display!! Batteries new last July. Anyone suggest a reasonable electrician in Cardiff area to diagnose problem? Thanks a lot.

 

[Allan]

Where do you keep your boat? Was the main switch turned off? If so, do you have anything, like a bilge pump, connected before the main switch?
Allan

 

[mireland]

Where do you keep your boat? Was the main switch turned off? If so, do you have anything, like a bilge pump, connected before the main switch?
Allan

Boat in Cardiff Bay. Have engaged an electrician now to come and diagnose for me. Left the boat as I always do with main switch off. There is no bilge pump before the main switch. All a bit baffling. Thanks for the reply.

 

[graham]

Hope you get it sorted out.

There used to be a good place for leisure batteries on the roundabout by the Heath entry to the Heath Hospital. Havent been there for years, maybe someone else can confirm they are still there?

 

[rafiki_]

Sorry to be a doom monger, but these things are very difficult to diagnose, unless there is a really obvious current draw. Better news is that given your batts are 6 months old, then they should recover with a decent charge. If there is sufficient bilge pump activity to drain all the batts, then this would indicate a serious ingress problem, which will be quite obvious to spot.

Good luck

 

[DAVIDO]

Hope you get it sorted out.

There used to be a good place for leisure batteries on the roundabout by the Heath entry to the Heath Hospital. Havent been there for years, maybe someone else can confirm they are still there?

Still there (Garwoods) bought a battery for the bow thruster a couple of months ago.

 

[mireland]

Electrician came and it seems it may be the battery monitor that is to blame. The batteries are most certainly drained but when we ran the engine and put enough charge in to run the saloon lights etc the display on the monitor was still absent. The backlight came on alright but no magic numbers and voltages!! Electrician thinks it may well be the monitor that sprang a fault and drained the batteries. Now taken the monitor out and we will see what happens.

 

[Allan]

That's interesting. I will keep a lookout on my NASA unit. What do you have on board to keep the batteries up?
Allan

 

[mireland]

That's interesting. I will keep a lookout on my NASA unit. What do you have on board to keep the batteries up?
Allan

I have an aerogen 100 for use on passage but as I have no regulator I tie it up when I am away from the boat for fear of boiling the batteries. I can't find a regulator at a price I can afford!