AA/Lithium Buck/Boost 3A Driver, adjustable Input Voltage, so 1 to 4 AA's......WOW

See here.

I posted about this earlier (sorry hard to search and link from my phone). It's adjustable voltage output. The other thread contains a link to an older BLF review where it wasn't so good.

-Garry

Here ya go: Link.

-Garry