CR888
June 12, 2021, 8:09pm
18
sarge12:
What you need to know about batteries is not that hard to learn….how to choose a battery for your device, and what to do, and not do to use them safely. Why cheap re-wraps can be dangerous. What is the continusous discharge rate of a battery, and why it matters. When it is best to not store lights with batteries installed, and some circumstanses when it is ok to do so. What are the chemistries used for Li-ion batteries, and why ICR is more dangerous than IMR, INR, or hybrid…mainly avoid ICR batteries which are much more volatile. Marrying cells for use in multi-cell devices, what that is and why it matters, along with how to handle their divorce when 1 in the married group goes bad. How and when to re-wrap a battery…it is easy, cheap, and necessary, needing only wraps, end insulators, and a hair dryer. I have over 200 li-ion batteries as we speak, and they can be, and have been used safely. Most mishaps involve the uninformed doing something to use their battery in a way it was never designed to be used. The Olights are indeed fairly idiot proof, but other lights can be much more powerful, and further throwing, but learning about battery safety is needed to venture into that arena safely. Some lights recommend protected cells, and some don’t, but those should be handled with care. My recent Wildtrail is an example of that. It uses 3x21700 high discharge rate cells, which can be safely used, but do not store cells long term in the carriage if the light will not be used for weeks. All this is readily available on the internet, and a guy named Mooch has extensive testing on most batteries, and his tests will indicate the best batteries for the job. Avoid super cheap re-wraps from dubious sellers, no telling what cheap battery they put under the wrap.
You say it’s not safe to keep batteries inside a light long term & refer to your WT-90 as it has 3x21700 high discharge cells. Does that then mean my Olight Marauder-II is a ticking time bomb? It too has inbuilt 3x21700 cells. What about laptops, phones battery packs for tools etc?