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Lipo batteries (22 posts / 2,444 views)
Ged
Posts: 477
Post #1 22 Mar 2026 19:54
0
I've just had a random post come up from RCKicks facebook page showing a house pretty much burnt out due to a Lipo battery fire.
If you're using or thinking of using them do your research and learn how to charge and store them safely.
JasonM JasonM
Posts: 1,764
Post #2 22 Mar 2026 21:04
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Yep I've seen some very cheap batteries from Temu and aliexpress, the manufacturers most of the time Chinese, nothing wrong with that though they use cheap third party cells which are often of low quality ,they add BMS to them etc but it's all about the quality off the cells in the pack.

Stick to a reputable supplier, don't buy cheap and burn your house down/ and potentially worse.

A few folk in the UK have sadly died in house fires in the UK from e-bikes.


Smurf Smurf
Posts: 3,505
Post #3 23 Mar 2026 13:41
1
If you have a choice go for LiFePO rather than LiPo. LiFePO are much safer even if they are not quite as energy dense i.e. bigger for the same amount of power.
Planky Planky
Posts: 34
Post #4 25 Mar 2026 05:32
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In reply to Post #1
Cheers for making me aware. Ive just bought an electric wheel set up from uk barrow conversions which comes with a lipo battery and Im now shi%%ing myself!! These arent cheap batteries as mentioned but i've bought an Ammo Can to house it in as my research says the insulated bags aren't worth a toffee. Not much dearer than the bags at £15 and a metal container at that to contain any fire. If youre thinking about it, remove the rubber seal and drill some ventilation holes - removing the seal negates the tight locking mechanism so I will.buy a thin ratchet strap for it so any explosion within doesn't blow the lid open!
Leeroyjenkins Leeroyjenkins
Posts: 3,955
Post #5 25 Mar 2026 09:09
1
You've probably been carrying around a Lipo battery in your pocket right next to your balls for the last 10 years.
Planky Planky
Posts: 34
Post #6 25 Mar 2026 20:35
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In reply to Post #5
True that....burnt them a few times n all to be fair when I had change in my pocket and it reacted together
torchy
Posts: 30
Post #7 26 Mar 2026 10:55
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Out of interest why do all the barrow manufacturers (and alarm manufacturers too) have against lithium batteries? It's not just that they don't supply them they specifically say don't use them. Is there something fundamentally worse about them compared to lead acid? On the face of it it's all upside"”lighter, longer lasting etc

I'm curious about the negatives.
Leeroyjenkins Leeroyjenkins
Posts: 3,955
Post #8 26 Mar 2026 11:25
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In reply to Post #7
Cost, and the British public irrational fear of "new" technology. Lead acid batteries should have been completely obsolete 5+ years ago.

I think people think lithium batteries are woke
vossy1 vossy1
MODERATORMOD
Posts: 9,046
Post #9 26 Mar 2026 11:43
0
In reply to Post #7
Iirc there's a chap on here who works in electronics who may be able to answer.

Alarms & lithium batts, I seem to remember they output to a certain discharge at a continually higher rate than normal batts which drain the moment you put them into use, and that itself may be the issue. Also if the lithium have circuity ie, rechargeable it can interfere.

I did have a chat about this with Dal at Daletronics as my Wolf Qi's did not like rechargeable lithium at all, the speaker emitting a wierd background noise. Needless to say the batts came straight out and back to standard Duracell it was.

Shame as the re using was the main reason I bought rechargeable lithium.
torchy
Posts: 30
Post #10 26 Mar 2026 12:37
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In reply to Post #9
You could be right. I have at the back of my mind it's something to do with 'drop off' for want of a better expression. I think that they output at a high rate for a long time but then drop a lot, with no gradual decline. So you can go from working to not working without warning.

Interesting about your Wolf Qis as I used rechargeable in those without issue. I had to buy slightly higher rated/top of the range batteries to get them to work, but they were fine. What I did notice is that the reported remaining charge on them (as shown by the Hubb) would drop like a stone very quickly but it would then stay on that percentage for months. I'm a retired 'every week' angler and I only recharged them maybe every three months, and that was on a 'just in case' basis.

When I passed them on to a relative I bought Fox RX alarms and the instructions say 'rechargeable batteries are not recommended'. I used them from the get-go and it's the same as with the Wolf. Work absolutely perfectly and I go at least three months between charges.

I replaced my Nash power barrow lead acids with lithium and that's also been fine, hence me wondering what the catch, if any, is.
Spod Spod
Posts: 13,415
Post #11 26 Mar 2026 13:02
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Use a balance charger if possible on a LiPo and it will be a lot more stable.
Leeroyjenkins Leeroyjenkins
Posts: 3,955
Post #12 26 Mar 2026 16:27
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The alarm manufacturers could be making the alarms to work with these rechargeable batteries. But they are not. So why are they stuck using old tech?
vossy1 vossy1
MODERATORMOD
Posts: 9,046
Post #13 27 Mar 2026 07:47
0
In reply to Post #10
You could be right. I have at the back of my mind it's something to do with 'drop off' for want of a better expression. I think that they output at a high rate for a long time but then drop a lot, with no gradual decline. So you can go from working to not working without warning.

That sounds about right. We use Hixon 3500mwh lithium rechargeables, got 50 odd of them, because we use Blink cameras for our Hedgehogs. Blink say the cameras are better used with lithium batts because the cameras have a'tighter' higher voltage requirement, so normal batts last nowhere near as long. As you say, it's all or nothing with lithiums though.

Interesting about your Wolf Qis as I used rechargeable in those without issue. I had to buy slightly higher rated/top of the range batteries to get them to work, but they were fine

That's odd, if you don't mind me asking what lithium rechargeables were they, might take a look as I do like the idea of re using batts rather than just throwing away?
JeffE JeffE
Posts: 1,196
Post #14 27 Mar 2026 10:18
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In reply to Post #13
Can you use lithium batteries in a bait boat?
vossy1 vossy1
MODERATORMOD
Posts: 9,046
Post #15 27 Mar 2026 10:52
0
In reply to Post #14
My RT4 has Li ion batts, AT sell Li ion batts now too, not sure about other boats but I expect so.
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