Hi sticky door knob
I think your question is a fair one and in my view I think Jorn nailed it! The E01 will totally use up the hole battery, and the most important light is the one that actually works when you need it in fact id say it should be included with all survival kits its very well made.
I dont feel the light is a joke like shelm but he does makes some vaild points & it would seem like a downgrade after using the ITP but its simple like he says & very hard to break unlike my ITP A3 that broke the 3rd time a dropped my keys.
To be fair I may have just had a bad one but it definetly didnt seem as well built as Fenix lights in my limited opion.
I now edc the Fenix E05 because its really small! Run times are no where near as good as the E01 but in real word use this has never been a problem for me. Its very floody which is perfect for a keychain light and I have never found it wasnt bright enough so dont feel the need to buy a new AAA light that will kick out 60-85 lumens as I just dont need it.
I dont like buying stuff if I dont use it but why dont you give one a try for 6 months and see what you think!
Oh yeah I have bought loads of friends an E01 and they all said THANKS!?? (Why has he bought me this!) but the same friends have then said its such a good little torch Iv used it loads inculding my sister last week. There almost idiot proof lol.