Here are the link for the users, who do not want to search. msantic post the olight link - I don’t need to reposted here.
Blackshadow Terminator, 4x XM-L (Cool White U2 1A or Warm White T6 3C4 version), 4x 18650, 3500 lumens, low voltage warning, modes: lo, mid, high (hidden strobe)
Review about it. Price $142 with PRICECONTROL only $115 - Non Aff-Link

Nitecor TinyMonster TM15, 3x XM-L U2, 4x 18650 or 8x CR123 - but it will also run with only 1x 18650 or 2x CR123, 2450 lumens, abbility to charge in the flashlight
A review of selfbuilt (I like his flashlight reviews really much)
Price $248,99, with PRICECONTROL only $200 - Non Aff-Link

Nitecore EA2, 280 lumens, 2x AA, XP-G R5, 5 mode, secondary red SMD LED serves both as an extremely low-power illumination option and also as a status indicator and locator beacon.
Review of selfbuilt about the EC1/2, EA1/2 with many pictures
Pricecontrol do not work with this flashlight, but you can save 5% with coupon BLF. Your price will be $37,48 - Non Aff-Link

This could be a nice driver, if you want one with different groups. 1 Group: 1 Mode - 2 Group: hi, mid, low - 3 Group: Ramping 1-100% with memory - 4 Group: Blink modes.
FT has a 3A and a 5A version, both with an overheat protection (55-60°C). Price (with BLF coupon) $5,88 (3A) $6,08 (5A) - Non Aff-Link
