- Jul 18, 2009
- 11,189
- 17,841
- Funster No
- 7,543
- MH
- HYMER B644
- Exp
- 2004
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Thanks, Fogstar have not replied yet, but I will request the PIN.When you get back to your battery try the JBD app (XiaoxiangBMS).
It’s not as nice for normal daily use but probably better for debugging.
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Well it will take out my cars, van and caravan too. Probably even the houseIf you want something to be bothered about .........will your van be a burnt out shell when you get back
Thanks, Fogstar have not replied yet, but I will request the PIN.
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thanks RaulSCP resets itself after 60 seconds, IF, you disconnect every charge discharge source from the battery. On re connection any charger or inverter that has capacitors, you need a pre charge resistor to protect the battery and going in to SCP again.
I use a pencil sharpened both ends, and used that in line before I make the connection to mppt, inverter etc. I hold it for about 10-15 seconds to precharge the caps in the mppt, so it does not spark or surge, if it surges, the bms will disconnect with SCP.
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If it has that function, it’s good, it works like a pre charge, what it does cancels the trigger time for SCP, and allows the caps to charge. Seplos has that function and is valid for 3seconds, enough to charge the caps.If you download the xiaoxiang app and pay the £7 to be able to adjust the settings you will see a toggle switch called “load detect switch”. This is used in the event of a short circuit and perhaps shutdown. Might be worth a go? Understand that the Fogstar app is a version of the xioxiang app. Might be able to do it in the settings there too?
The 105ah Fogstar is connected to my Victron MultiPlus 2000va Inverter / Charger.EuroTrotters , may I ask what you mean by “overloaded” the battery? Sorry, still learning bits.
If it was over voltage protection it may just need the discharge turned on until the voltage drops to the preset level. Just a thought.
Cush
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Why?I have wired it all in via a Sergeant Auto Changeover unit that automatically switches from Shore/Generator/Battery
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no generator option, which I no longer use.Why?
One of the main reasons for buying a Multiplus is that it has that build in.
If it’s a case of exceeding the max continuous discharge rate for that battery (100 amps), then it might need isolated from the system and have a charger that doesn’t need to detect a charge across the terminals to put some charge back in. There are some good Fogstar social groups around where I’m sure they will have a solution for Turing your battery back on. Fingers crossedThe 105ah Fogstar is connected to my Victron MultiPlus 2000va Inverter / Charger.
I have wired it all in via a Sergeant Auto Changeover unit that automatically switches from Shore/Generator/Battery
Battery was fully charged
I accidentally turned on a 2kw fan heater. It shut down and then I got the error above.
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Thank you .If it’s a case of exceeding the max continuous discharge rate for that battery (100 amps), then it might need isolated from the system and have a charger that doesn’t need to detect a charge across the terminals to put some charge back in. There are some good Fogstar social groups around where I’m sure they will have a solution for Turing your battery back on. Fingers crossed
Modern smart charger may need to detect a bit more across the terminals. I understand that although a LiFePO4 can be “turned off” there is still a small reading across the terminals. This is not enough to do anything useful. I would try a dumb charger for a short time. Are you able to see the individual cell voltages? They all good?Thank you .
It was momentarily overloaded, not drained.
It was showing 10.9v across the terminals. But the victron or mobile charger could not charge the battery.
tried a dumb charger !Modern smart charger may need to detect a bit more across the terminals. I understand that although a LiFePO4 can be “turned off” there is still a small reading across the terminals. This is not enough to do anything useful. I would try a dumb charger for a short time. Are you able to see the individual cell voltages? They all good?
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They have sold a lot to Funsters so quite popular on here, there are quite a few posts about problems with other makes. It is still only a very few batteries that have had problem but for some reason the Fogtar threads appear to drag on maybe because they are a good price and more people are interested in them.Why is it we only seem to read about Fogstar lithium battery problems,or am I missing other battery posts? No pun intended
Is it because they sell more than anyone else?
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