Looking after the battery
Looking after the battery
in Improving your pride and joy and how to fix things Thu Jul 22, 2021 9:37 amby Islay Corbel (deleted)
Would a kind soul give me a guide to looking after the mover battery? It came with an "intelligent" charger.
There isn't any leccy where she lives, so Yann has bought the battery home and put it on snail charge. There doesn't seem to be an indicator of how charged the battery is. Do you use a tester? should we get one? How much charge do you need on your battery before it stops working? Any advice would be most welcome! - may I add please don't use words of more than one syllable
Betty, 1998 Triton 430 and Colin, a Renault Mégane.
RE: Looking after the battery
in Improving your pride and joy and how to fix things Thu Jul 22, 2021 9:41 amby Just_Chilin (deleted)
an intelligent charger will handle the charging of a battery in whatever state it is in: it will take the necessary actions to charge the battery amd keep it topped up.
Most intelligent chargers indicate what state they are in eg charging, trickle etc - this indicates the status of your battery.
If its trickle charging then the battery is fully charged
if your charger has no indicator then youd need a voltmeter to check if the battery is charged: theyre not necessarily expensive or difficult to use
RE: Looking after the battery
in Improving your pride and joy and how to fix things Thu Jul 22, 2021 9:43 amby Islay Corbel (deleted)
Thanks but I don't understand. Yann set the charger to snail so it's not the charger telling us anything! help! You're dealing with someone who has a brain the size of a pea!
Betty, 1998 Triton 430 and Colin, a Renault Mégane.
RE: Looking after the battery
in Improving your pride and joy and how to fix things Thu Jul 22, 2021 9:45 amby Just_Chilin (deleted)
"snail" sounds like trickle charge - the battery is being charged at a snails pace (or trickle charged, just like a just turned on tap)
It will charge the battery eventually but will take a very long time (eg a day or two)
RE: Looking after the battery
in Improving your pride and joy and how to fix things Thu Jul 22, 2021 9:57 amby Just_Chilin (deleted)
i am assuming "snail" charge is referring to a mode of charging that your battery charger has?
I just googled "snail charger" and it came up with a snail-shaped charger - just checking its not one of those is it?
RE: Looking after the battery
in Improving your pride and joy and how to fix things Thu Jul 22, 2021 10:22 amby Tomored • | 2.129 Posts
Looking at the charging units on Amazon . I suspect that a "snail charger" is not made for charging car batteries . It seems that they are for lightweight charging such as phones, tablets, and such like . If your mover battery is dead why not try charging It with a normal car battery for a few hours and see if it holds a charge. This could also explain if the snail charger works or not .
The only way to have a friend, Is to be one
RE: Looking after the battery
in Improving your pride and joy and how to fix things Thu Jul 22, 2021 10:46 amby eribaMotters • | 5.591 Posts
I've not heard of a snail charger, but as above suspect it might not be the correct thing. I used a CTEK smart charger on our battery many years ago and have used it a couple of times on the car. The "smart" bit is really nice as you plug it in and walk away. It monitors the battery once full charge has been reached and trickles away every so often as needed. The likes of Aldi and Lidl often have these available for I'm guessing about 30 euros.
Colin
aka Oscar - Audi A3 1.5 petrol _ ex 430, 552, camplet trailer tent, 310, now a nice white 2017 430.
RE: Looking after the battery
in Improving your pride and joy and how to fix things Thu Jul 22, 2021 11:42 amby Islay Corbel (deleted)
There's not a problem with the charger that was given to us. Apparently it's better for the battery if it charges on trickle which I suppose what snail is. What we need to know is
1. At what level of charge is the battery useless - at what charge do we need to recharge? We need to know as there isn't electricity at the storage facility and we need to bring it home.
2. Do you use a tester - is it an essential piece of kit?
3. about how many manoeuvres should we get out of a charge?
Thanks - I obviously wasn't clear with my first question.
Betty, 1998 Triton 430 and Colin, a Renault Mégane.
RE: Looking after the battery
in Improving your pride and joy and how to fix things Thu Jul 22, 2021 12:03 pmby eribaMotters • | 5.591 Posts
I have never bothered using a tester on the battery. You do not need to with a smart charger as it turns itself of/on when required. I bought it because I wanted an easy life, just plug in and leave.
As regards how many manoeuvres out of a charge. We have an 85 amp battery and have on occasion moved the van 50+ metres without problem. I would hope and expect to be able to complete a couple of such manoeuvres.
Colin
aka Oscar - Audi A3 1.5 petrol _ ex 430, 552, camplet trailer tent, 310, now a nice white 2017 430.
RE: Looking after the battery
in Improving your pride and joy and how to fix things Thu Jul 22, 2021 1:45 pmby Islay Corbel (deleted)
Our problem remains that we can't leave it on a trickle charge as there is NO ELECTRICITY!!! where the caravan is stored. So when do I know to take it out of the van and take it home? Or do you leave it charging when you're on a campsite?
Betty, 1998 Triton 430 and Colin, a Renault Mégane.
RE: Looking after the battery
in Improving your pride and joy and how to fix things Thu Jul 22, 2021 2:01 pmby eribaMotters • | 5.591 Posts
We are lucky in that our van is kept at home in a garage. It is left permanently on charge. When we are on site it is also permanently on charge.
If you were technically able a battery voltage/condition indicator could be wired into the vans electrics and you could use this as your indicator as to.when to remove it.
If we had to store our van away from the hose and power I would remove the battery when the van is not being used and plug it onto the charger at home. It would stay on this over winter and go back in the van at the start of the season. When away, if on hook up that is charging the battery I would be happy to leave the battery in the van when I was home if we were to be going off again in a month.
Colin
aka Oscar - Audi A3 1.5 petrol _ ex 430, 552, camplet trailer tent, 310, now a nice white 2017 430.
RE: Looking after the battery
in Improving your pride and joy and how to fix things Thu Jul 22, 2021 2:06 pmby Islay Corbel (deleted)
Colin thank you.
In fact Yann just called the bloke that fitted it and it turns out the bossman told us a porky - snail is for over winter and it should have been on rabbit! Dang froggies!
Betty, 1998 Triton 430 and Colin, a Renault Mégane.
RE: Looking after the battery
in Improving your pride and joy and how to fix things Thu Jul 22, 2021 3:33 pmby Tomored • | 2.129 Posts
There's not a problem with the charger that was given to us. Apparently it's better for the battery if it charges on trickle which I suppose what snail is. What we need to know is
1. At what level of charge is the battery useless - at what charge do we need to recharge? We need to know as there isn't electricity at the storage facility and we need to bring it home.
You need to keep the the battery fully charged .Does the battery charge from the site hook up . If not best to bring it home and recharge it after you have been away.
2. Do you use a tester - is it an essential piece of kit? If there is no other form of indication as to whether the battery is charged or not then this will tell you .
3. about how many manoeuvres should we get out of a charge? Depends on how many manoeuvres you make , length of manoeuvres , and whether you are plugged into the site hook up . by the way I have been told that not all Eriba caravan batteries are charged from the hook up . So check that too .
Thanks - I obviously wasn't clear with my first question.
Hope this helps Islay best of luck sorting it all out.
The only way to have a friend, Is to be one
RE: Looking after the battery
in Improving your pride and joy and how to fix things Thu Jul 22, 2021 4:27 pmby Just_Chilin (deleted)
In the absence of electric on site you need a voltmeter to measure the status of your battery. A normally charged lead acid battery has a voltage of 12.7V
As the battery is used it’s terminal voltage (the voltage across its + and - posts) will decrease
At 10.5V you can consider the battery flat
You should never let a battery become flat : it will damage the battery beyond repair
Under normal use you should not discharge a battery by more than 50% before it needs to be recharged.
You should therefore take the battery home and recharge it whenever the voltage reads 12.0V.
Ideally recharge the battery when it reads 12.42V which represents 80% depth of discharge since a battery left in a non fully-charged status for long will quickly have it’s useful lifetime drastically reduced
If you ever have access to mains (on site or at home) you should always connect the charger.
The intelligent charger you have will always bring the battery up to full charge as optimally as it can and then will maintain the battery’s fully charged status.
If you have no electric on site you may consider using a solar cell to keep your battery topped up thereby negating the need for the voltmeter and disconnecting/charging/reconnecting the battery.
You would of course need access to the sun for the solar panel and would need a charge regulator but there are plenty of other posts on this if you’re interested in this option
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