Lead to Lithium

J

Jgumb

Member
Well as a newbie’s to this site and having had a read of few posts I have decided as my lead acid battery has died to take the plunge and fit a lithium as prices have dropped so much you can almost match them at the economy end. Someone else has covered the equipment used to charge the battery will need to be capable of charging lithium.
So basically using the same set up as they are with a separate solar controller so have a read of their post
IMG_9786.webp
I’m not finished yet as the biggest challenge most people will find is that the lithium batteries are much bigger. I went from a 110 to a 120amp battery.
IMG_9804.webp
As you can see the seat definitely won’t go back in but with all lithium you can flip them on the side. Even then this is still a large battery. You have your seat frame mounting bolts sticking up, the seat frame has lots of lips which makes it hard to fit a new battery box in.
Anyway watch this space and see if I finally get it to fit 🤣.
 
Roamer do a 230Ah LiFePO4 that fits under the driver's seat.
 
Yeah but the roamer is 'on sale' now at £749 🙃 .
Fogstar also do a 230 seat base at £649

Or you could buy 2 renogy core minis currently £380 (2×100ah)
 
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JumpShip said:
Yeah but the roamer is 'on sale' now at £749 🙃 .
Fogstar also do a 230 seat base at £649

Or you could buy 2 renogy core minis currently £380 (2×100ah)
Click to expand...
Agreed - just pointing out that much bigger batteries will fit under the driver's seat.
 
The battery box I think is a good insurance from shorting against the vehicle body or seat especially if involved in a heavy RTA. It also helps in those situations when connecting up or disconnecting, less risk of shorts, yes I know remove neg first bit I nearly lost a finger or worse many years ago connecting up a battery in a steel battery box so earthed forgetting that I had a wedding ring on felt that I was shielding the spanner with my hand but instead my gold wedding ring earthed out the spanner and with the resulting explosion and truck filled with smoke had a perfectly formed circumferential burn around to my ring finger shin falling away showing the structures tendons ect that are usually hidden. If I had not of recoiled so violently banging my head in the proses I might have asked for a camera shoot to send the images off to a journal before it all sloughed up. So any measures towards battery safety are good news in my book and the way to approach all things battery and electric. Imagine it is ones youthful offspring wanting to help dad out one day by connecting something up for him or change the battery over not realising the risks of accidental shorts and inside the seat base is a very tight fit high ampage battery with naked terminals mm away from earthing with one careless touch. I was immensely fortunate plastic surgeon wanted to do skin grafts told me infarct what he was going to do not discussing it and the risks high from infection, so I just discharged my self and treated it conservativity my GP doing daily dressings her self for quite some time. When I eventually left the area to live and work else where I paid my respects and she told me she was so frightened for me bit did as i asked she thought that I may not only loose my finger but possibly worse but I had confidence I heal from very bad cuts and scars often without a mark and in those days rarely suffered infections so trusted to good housekeeping sterile environment and can hardly see a trace but could have been worse what ever way I chose to deal with it. So wooden or plastic battery box very good. No insulating battery box bad idea!
 
Kind of Blue said:
The battery box I think is a good insurance from shorting against the vehicle body or seat especially if involved in a heavy RTA. It also helps in those situations when connecting up or disconnecting, less risk of shorts, yes I know remove neg first bit I nearly lost a finger or worse many years ago connecting up a battery in a steel battery box so earthed forgetting that I had a wedding ring on felt that I was shielding the spanner with my hand but instead my gold wedding ring earthed out the spanner and with the resulting explosion and truck filled with smoke had a perfectly formed circumferential burn around to my ring finger shin falling away showing the structures tendons ect that are usually hidden. If I had not of recoiled so violently banging my head in the proses I might have asked for a camera shoot to send the images off to a journal before it all sloughed up. So any measures towards battery safety are good news in my book and the way to approach all things battery and electric. Imagine it is ones youthful offspring wanting to help dad out one day by connecting something up for him or change the battery over not realising the risks of accidental shorts and inside the seat base is a very tight fit high ampage battery with naked terminals mm away from earthing with one careless touch. I was immensely fortunate plastic surgeon wanted to do skin grafts told me infarct what he was going to do not discussing it and the risks high from infection, so I just discharged my self and treated it conservativity my GP doing daily dressings her self for quite some time. When I eventually left the area to live and work else where I paid my respects and she told me she was so frightened for me bit did as i asked she thought that I may not only loose my finger but possibly worse but I had confidence I heal from very bad cuts and scars often without a mark and in those days rarely suffered infections so trusted to good housekeeping sterile environment and can hardly see a trace but could have been worse what ever way I chose to deal with it. So wooden or plastic battery box very good. No insulating battery box bad idea!
Click to expand...
Why my leisure battery is under my van and not inside.
You maybe lucky and survive two breaths of smoke while escaping but one is enough to render a person unconscious.
It’s not like Hollywood where the hero runs back in for 3 min’s to rescue the dog.
 
Jgumb said:
Well as a newbie’s to this site and having had a read of few posts I have decided as my lead acid battery has died to take the plunge and fit a lithium as prices have dropped so much you can almost match them at the economy end. Someone else has covered the equipment used to charge the battery will need to be capable of charging lithium.
So basically using the same set up as they are with a separate solar controller so have a read of their post
View attachment 298758
I’m not finished yet as the biggest challenge most people will find is that the lithium batteries are much bigger. I went from a 110 to a 120amp battery.
View attachment 298762
As you can see the seat definitely won’t go back in but with all lithium you can flip them on the side. Even then this is still a large battery. You have your seat frame mounting bolts sticking up, the seat frame has lots of lips which makes it hard to fit a new battery box in.
Anyway watch this space and see if I finally get it to fit 🤣.
Click to expand...

50% of a lead / acid battery is usable.
95% of a LiPo is usable, there’s no need to increase the Ah capacity of the battery or even maintain the same if your consumption remains the same.
 
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DXX said:
Why my leisure battery is under my van and not inside.
You maybe lucky and survive two breaths of smoke while escaping but one is enough to render a person unconscious.
It’s not like Hollywood where the hero runs back in for 3 min’s to rescue the dog.
Click to expand...
Having everything outside the bodywork didn't stop my golf going up, and barely giving me time to ram on the brakes and roll out the door. My jacket was actually slightly melted, and I didn't even have time to apply the handbrake. I only  just got out unscathed and I was younger, fit, and sat right next to an unlocked door.

Unless you're awake and sat right next to an unlocked door having everything outside won't save you when something goes wrong.
 
DXX said:
Why my leisure battery is under my van and not inside.
You maybe lucky and survive two breaths of smoke while escaping but one is enough to render a person unconscious.
It’s not like Hollywood where the hero runs back in for 3 min’s to rescue the dog.
Click to expand...
Absolutely the gasses released from batteries are highly combustible and explosive. Those using high loads and drain and recharging must be manufacturing Hydrogen. Military vehicles tend to recognise that by building in drainage / ventilation. Talking about gas that is one of the reasons why I occasionally suggest Wallas Diesel cooker / heaters, though expensive one is not likely to become dead through CO poisoning or risk having a fire through escaped gas ignition. I never understand why it is even legal in a Boat to use LPG when it is so dangerous and explosions do happen I saw a recent Multi Agency including fire dealing with an LPG explosion on the Welsh coast fairly recently. LPG and most other canned gas is heavier than air I seem to recall Hydrogen much lighter. Someone, some day, may get a double whammy with a Hydrogen expulsion along with LPG.

Perhaps you could explain or show how and why you went about installing an exterior battery. I am sure many including myself may not have considered it or how to go about it!
 
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Kind of Blue said:
Absolutely the gasses released from batteries are highly combustible and explosive. Those using high loads and drain and recharging must be manufacturing Hydrogen. Military vehicles tend to recognise that by building in drainage / ventilation. Talking about gas that is one of the reasons why I occasionally suggest Wallas Diesel cooker / heaters, though expensive one is not likely to become dead through CO poisoning or risk having a fire through escaped gas ignition. I never understand why it is even legal in a Boat to use LPG when it is so dangerous and explosions do happen I saw a recent Multi Agency including fire dealing with an LPG explosion on the Welsh coast fairly recently. LPG and most other canned gas is heavier than air I seem to recall Hydrogen much lighter. Someone, some day, may get a double whammy with a Hydrogen expulsion along with LPG.

Perhaps you could explain or show how and why you went about installing an exterior battery. I am sure many including myself may not have considered it or how to go about it!
Click to expand...
Hydrogen isn't a problem with Lithium.
Any installation is potentially dangerous if incorrectly installed and maintained.
People are happy to drive around in petrol cars and EV's that have the potential for catastrophic failures. Hydrogen and gas powered vehicles are already on the roads.
The vast majority of UK homes have gas heating, the very few explosions are usually down to scrotes tampering with the meter.
You can find hazards and risks everywhere if you look hard enough, the secret is to be able to identify & mitigate the risk.
 
Of course their are some risks that that we run reducing or eliminating them if possible can be a good idea. Drinkg too much water or breathing too much Oxygen are not advised either. :)
 
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