Didn't realize how many I had. Whew about as bad as knife collecting. 
The big Thor-X came from Costco at least 12 years ago. I think it was around $40. It'll cost more to replace the small motorcycle battery now. I got my money's worth from it searching for downed deer.
On the left are two Nebo's.
Center, Surefire M6, Surefire M4, Surefire Kroma, Surefire Digital 2 Ultra with flip up red lense, Kobalt rechargeable. 
Right side,  Lux-Pro, Streamlight Scorpion with flip up red lense
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Warren