Just a FYI, today is part of the Prime Days Sale (1 or 2 day Sale Only) on Amazon.com and I just ordered the Sofirn SC31 Pro for $26.51 with the 18650 3000mah battery included. For Prime members free 2 day shipping. The only drawback is they limit it to one per order to get the extra discount. I tried to put 2 in my cart but it was denied. I also tried to order a second one, and the price was $31.19. Maybe that will refresh tomorrow if the sale is still on. I really like this light and plan to keep using it until something better and cheaper comes along, so this will be a spare/backup/gift in the future.