Earthman
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- Jun 5, 2018
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Inside a fireproof bag in a bullet box. 54% of charge. Almost 2 years and no problems.View attachment 80281View attachment 80282
I use the same storage method except I use 50-cal ammo boxes and cut about a 2-in long piece of the lid gasket out along the hinge side of the box. Removing the gasket will let the gas liberated during a battery failure out so the ammo box is less likely to confine the pressure and explode like a bomb.
I think new LiPo batteries must be relatively safe if undamaged and stored at the specified storage voltage. There must be millions of them in shipping containers, stacked up in stores, factories, hobby stores, etc. that don’t fail or we would be hearing about it.
On the other hand, the ones we have in service are probably more likely to have been abused one way or another and most batteries, including LiPos, self discharge and the chemistry/danger changes with time.
In any case, there’s probably always some degree of risk with LiPos, so end users should store them in fire resistant places.