Robert Parker Posted July 16, 2022 Share Posted July 16, 2022 Hi All, I went up to the attic this morning before it got too hot up there with the intention of removing all of the RX batteries from my models ahead of these high temperatures they are forecasting, they are forecasting for me around the 36 degree mark and thinking if is going to be 36 degrees outside then inside the attic it going to a lot lot more and I got a bit of a surprise in doing so and soooo glad I did. I found two LiFe batteries puffed up with one looking as if it would burst The Nimh batteries all appear fine. The one on the left came out of my Top Flite P40, the middle one is new just for size comparison and the one on the right came out of my Balsa USA Taube. Both batteries are now cooling off in a bucket of salt water If it had bust into flames I could have lost my house and worse. From now on I think all batteries will remain in the workshop in sight Regards Robert 2 Quote Link to comment Share on other sites More sharing options...
Martin Harris - Moderator Posted July 16, 2022 Share Posted July 16, 2022 A timely warning and one that should be heeded by all. I’m sorry but I can’t think of a worse place to store lipos, whatever the weather. 1 Quote Link to comment Share on other sites More sharing options...
Dad_flyer Posted July 17, 2022 Share Posted July 17, 2022 I have been trying to work out how to store lipos without freezing or boiling. Also all being well without using technology and outside the house. I have monitored the temperature since January on a shelf in my shed and also in the back corner, against the concrete floor and a retaining wall, covered in just a cloth. It was not a cold winter, shelf temperature only went down to zero, but the floor remained at 5, this week the shelf was up at 32, the floor at 19. It seems to be a good place to build a battery storage, with not much insulation required. Quote Link to comment Share on other sites More sharing options...
J D 8 Posted July 17, 2022 Share Posted July 17, 2022 I store mine on the floor in the back toilet, above the box is the alkathene pipe that carries water to said toilet. Should they ignite I recon the water from melted pipe would cool them. Also not much else that can burn in there other than the toilet roll. 1 Quote Link to comment Share on other sites More sharing options...
Allan Bennett Posted July 18, 2022 Share Posted July 18, 2022 My storage is a set of 'pigeon holes' made out of 1/2" plasterboard, with a hinged front held closed by a magnet. Supposedly the board is 1/2-hour fire resistant, and I reckon that sited in a suitable location it will keep the batteries at a sensible temperature. Quote Link to comment Share on other sites More sharing options...
leccyflyer Posted July 19, 2022 Share Posted July 19, 2022 My LiPos are stored in pukka LiPoSacks and Sentry Fire Safes inside a locked steel cabinet, with ventilation out the back. The workshop is temperature controlled and at a steady 16 degrees C - the most comfortable place to be this week, for bods as well as batteries. Personally I wouldn't be at all comfortable with leaving LiPos in a model in storage, though LiFes supposedly provide a lower combustion risk, but despite using lots of lithium batteries, I'm still sticking with those Nimhs where the receiver pack is semi-permanently mounted in the model. Quote Link to comment Share on other sites More sharing options...
GrumpyGnome Posted July 19, 2022 Share Posted July 19, 2022 I too have NiMh in most of my ic planes.... They work and don't need regulators or hv servos Quote Link to comment Share on other sites More sharing options...
Keith Billinge Posted July 21, 2022 Share Posted July 21, 2022 (edited) My Lipos are stored in metal ammo boxes in the garage. They lay on the concrete floor away from other flamable materials. I remove a tiny bit of the rubber seal round the lid in case of a lipo fire, just to releive a bit of pressure to stop the ammo box going bang. Hopefully this won't allow enough air into the box to support combustion. I bring 1 box at a time into the house for charging porposes. where I keep a beady eye on the procedures. I feel this is a pretty safe bet. Good quality ammo boxes are cheap and easy to find. They are strong and made of decent metal. I think they are a great solution. If I get really paranoid I thought I could easily line the ammo boxes with plasterboard. I currently have 3 of the .50Cal variety. 1 For charged batteries going to the field. 1 for storage charge. 1 for discharged at the field but not yet storage charged. KB Edited July 21, 2022 by Keith Billinge Bums Quote Link to comment Share on other sites More sharing options...
stu knowles Posted July 22, 2022 Share Posted July 22, 2022 (edited) The OP says LiFe batteries, not LiPo. I'd say thay have been charged on a NiMh or NiCad setting Edited July 22, 2022 by stu knowles Quote Link to comment Share on other sites More sharing options...
Nigel R Posted July 22, 2022 Share Posted July 22, 2022 56 minutes ago, stu knowles said: I'd say thay have been charged on a NiMh or NiCad setting OP wasn't charging, they just came out of storage, I think. Quote Link to comment Share on other sites More sharing options...
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