Maybe a dumb question, but why is it considered dead between 70-80% capacity? Is there something specifically in the battery chemistry at that makes it unstable below that threshold? Otherwise, why would I chuck a battery that provides 15 minutes of run time instead of 20?

@redndeyes

2 ай бұрын

Cause Kermit said so...😂

@RCexplained

2 ай бұрын

While a lithium battery may be considered "dead" at 70 to 80 percent of its original capacity, it doesn't mean it's completely unusable. In many cases, it can still function adequately for less demanding rc vehicles or in vehicles where a lower capacity is acceptable.

@wolfgangpreier9160

2 ай бұрын

Its is inefficient to use a battery when it falls below about 70% total capacity. That is one of the problems why Sodium batteries are not usable currently. You could only use about 70-80% of the total capacity of a sodium ion cell and that is only about 70-80% of a LFP cell. And it costs about the same. That is inefficient.

Fantastic video as usual! I really like that you have been diving into the topic of Lipo battery technology lately. There's something to learn from novice to advanced expert. I'd like to request that you do a video on how to truly determine the performance of a lipo pack by stress load. I know you are very much aware that an ESR is not good for determining the performance of a pack, rather, the pack needs a full 10 second burst load (250A) draw. The recovery voltage divided by the number of cells multiplied by "100" will give us a 3-digit value we can use to rank each pack. I have only found ONE unit capable of doing this test, and it's not cheap, but maybe you have annother way to accomplish this task? Also, I am wondering if my iCharger 406Duo or 308Duo will do what your charger will do. I have searvhed for your charger, but it doesn't seem to be in production any longer... Has so many very neat features!

As long as you know the capacity of a pack, you can just make a label that states the current capacity, no need to toss it