18650 tests

http://www.light-reviews.com/forum/viewtopic.php?f=9&t=513 It seems that a lot of protected lithium cells don't really cut off as they should on low voltage. This is a pain when doing runtimes as the cells an easily become over discharged which can make attempts to charge them dangerous.

Even the hq cells like the Pila and AW cells dont cutoff when its suppose to.