GearBest's Entry into Flashlights, the zanflare f1! First Light from this manufacturer!

LED Flashlights – General Info 18650 Flashlights
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Thanks DB,
my quick google foo points me to a Microchip 16f1823 i/st.
http://ww1.microchip.com/downloads/en/DeviceDoc/40001413E.pdf

not your standard Atmel chip but mod-able for sure.
I wonder what controls the USB charger circuit .