Link to S42S here: https://goo.gl/Y26vWC
Discount code to drop the price to $38.95 is 859e1c.
(Note I get no revenue from this, just passing the code along.)
This is a review of the Astrolux S42S flashlight. It is a 1600 lumen light with 4 Nichia 219C LED emitters. Powered by a 18350 or 18650 lithium-ion battery. Charging can be done using a built in micro USB port.