Fogster Lithium Batteries

BobRivers

BobRivers

Free Member
Joined
Feb 21, 2021
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63
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Location
Falkirk Scotland
Funster No
79,344
MH
Pilote 626D
Exp
Since 2021
Hi does anybody have information positive or negative;) on these batteries? I was hoping to purchase a Reneogy but length at 522mm will be a bit challenging to fit in the space I have. Fogstar are offering a 230/300Ah with overall
  • Dimensions L(380mm) x W (190mm) x H (245mm)
Can they squeeze all that power into such a small casing?
 
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I've been running a Fogstar 280Ah for nearly a year. It's squeezed under the driver's seat. I've not had any issues with it. The app works well. It's been reliable. I'm not pushing it particularly hard though.

Just about the only minor negative against it is the onboard electronics aren't that good at tracking small current draws. So when the van has been left for a few weeks over winter with no significant solar, the charge level in the app may be quite a long way out. My external Victron shunt is doing a better job at estimating charge levels. But this is a total non-issue when you're actually using the van because you tend to push higher currents in and out, so miliamp level discharges become insignificant.
 
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Fogstar seem to be popular around these parts lately with decent comments
 
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Have 300ah Fogstar Drift Pro since September with new victron set up working great and not used any EHU this year.😊👍
I certainly would not hesitate in recommending one👍😊
 
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BobRivers it might be worth reading this thread🤔
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Fogstar Drift App

Anybody having problems with the app ? I received 2 x 105AH Fogstar Drifts today. I down loaded the app on to my phone but no matter what I do my phone just searches and searches and doesn't connect. I have also down loaded the app on to my tablet but that won't connect either. I have Bluetooth...
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BobRivers said:
Hi does anybody have information positive or negative;) on these batteries? I was hoping to purchase a Reneogy but length at 522mm will be a bit challenging to fit in the space I have. Fogstar are offering a 230/300Ah with overall
  • Dimensions L(380mm) x W (190mm) x H (245mm)
Can they squeeze all that power into such a small casing?
Click to expand...
I have the Fogstar 230ah in my Pilote P696GJ it performs well , ran my compressor fridge for 75 hours with little or no solar input due to cloudy weather and was still at 30%

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You can order one from
offgridpower.solutions

Offgrid Power Solutions

Offgrid Power Solutions We are specialists in LiFePO4 batteries & Victron Energy systems. We’re here to help build the best offgrid electrical systems so you can focus on your adventure without stressing about how much power you have left! Get in touch with us about how we can help
offgridpower.solutions offgridpower.solutions
Run by RogerIvy a fellow funster. They give a funster discount 👍
 
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I’ve had a 280ah on its side under the passenger seat this year, about 120 nights away.

Support what I’ve needed it never a problem and emails to support answered quickly and comprehensively but the onboard BMS /app has limitations and cant be depended on, I ran out of power after a week of touring off grid when the daily charge / discharge confused the BMS which was showing more reserve than I had, when to bed at 26% power and by early morning the BMS shut the battery down. Learned after that to get it charged to 100% every 3 or 4 days for safety sake. I’ve now got, but not yet fitted, a Victron smartshunt so will hopefully avoid that problem in future. Hooked up an invertor to run a kettle/hairdryer/air fryer.

Overall I’d say a good purchase.
 
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I’m happy with my Fogstar battery and app, just once did the app freeze and they told me to delete it and reinstall. Has worked fine since then.
 
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I've had a 230ah for about a year now and I'm very pleased with it, and I'm happy with the app aswell

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Had a 280Ah since March time, had a few glitches early doors with a couple of the settings and the dimensions being wrong but all good since. Agree with the others about the BMS, it can forget it's SOC so best fit a good shunt for accurate SOC readings. Only big issue for me is the BMS has no lock to protect it from anyone logging into it and messing with your settings. The fix for me seems to be leaving the iPad connected at all times when away as it keeps the connection, thereby locking other BT devices out, not perfect but a workaround. The BT connection issues are a faff, sometimes having to force quit the app (android) at times but again when you have a shunt on BT like the Victron no need to look at the BMS app. Hit the battery hard with an inverter powering a kettle etc and it has coped just fine. All is good for us!
Broken Link Removed Sells them & also does the shunt, great service from them.
 
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Billy192 said:
i have , on here more than once
Click to expand...

Tombola said:
Can you expand.
Click to expand...
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Charging Fogstar 460 for the first time

This is what what my LiFePO4 battery manufacturer said about cell matching. “Cell Matching Process: When assembling multiple cells together either in series or in parallel we match and group cells together based on 10 consistencies; 1.Consistency of self discharge 2.Consistency of voltage...
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went from 1v 0% SOC to 13.2v and 70% and 1 cycle to 4 and back again in 12 mins. also discharging was turned off when delivered so meter was reading 5v this took me ages to find. i thought if you turn off then should be off surely? emailed Fogstar never had a reply. this was 2 weeks before a 8 week Europe trip!
 
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I think the Fogstar Drift thread I signposted earlier goes some way to explain that the app seems to work for Apple IOS users however some Android users are experiencing problems but not all🤔😊
 
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I've got a Victron shunt to go with the rest of my Team Blue kit. So I don't actually check the app that often.
 
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So it now seems the batterie are great….👍🏼 as long as you buy an iPhone and a victron shunt…😎

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