Lead Acid Deep Cycle Batteries.........

I just leave the caps off then no mess. Just think of the battery charging on a truck or boat alternator, caps are on then.

The deep cycle lead acid in me caravan is sealed so theres another example.

But when charging it's good to see if all the cells are bubbling to make sure you haven't a dead cell, but then put the caps back on.

Cheers

Hi Kevmac.

If you are using the fridge full time when charging I would put the charger on constant voltage setting.

The three stage charger will get its tits in a tangle when ever the fridge turns on and then off again. Only use the three stage when there is a battery only

Redeye

Hi Kevmac,
If you have 240 available run your frig off that as well while you are charging your batteries. This will bring your batteries up quicker and ensure your frig is getting enough power at the same time.

Batteries placed in vehicles don't have their caps removed while they are charging so why remove them when charging with a 240 volt charger.

I have often removed them while charging with a 240 volt battery charger but when you think of it vehicle batteries never have their caps removed when being charged from an alternator.

These are just my thoughts, someone may give us a very good reason for removing the caps during the charging phase. I know all about the gas generated and all that, have even seen a couple of batteries blow up because someone became careless or was not aware how dangerous it is.

Maybe there is the reason, that when they blow they allow gas to expand more quickly out through the open top and so leave the battery in one piece. I think the rate of expansion of the exploding gasses would be too great to be negated by the small opening provided by the caps being removed.
Regards, Bruce.

Hopefully your battery is vented to the outside of the vehicle its in and you still use the battery charger after you buy the new Genny.

Even using a Honda it is recommended that you dont charge directly off the genny