Fattish single lithium powered flashlight.

[lightseeker2009]

I love my Fenix FD45.
I want a light like it, with a bit more power, 1500+ lumens. It must be about the size and width of the FD45, but powered by a single, as big as possible, lithium battery.
What options are out there?

 

[AstroTurf]

Not familiar with light you listed…

What size (inches) are you looking for?

 

[desert.snake]

Do you also want a variable focus, or is it no longer important?

If the focus is not important, here is a good one on a 1x26650 battery, but it goes down to 1000lm

Maelstrom MXS "Standby" – darksucks.com

The Maelstrom is back, better, and standing by...the light that's ready even when you are not. The MXS lives on it's inductive charging base (no cables or ports on the light) and even turns on automatically when the power is interrupted. The MXS delivers between 5 and 1700 lumens with a Nichia...

darksucks.com

Here is the good power (both)

Noctigon K9.3 DUAL CHANNEL 7400lm 21700 LED FLASHLIGHT - LED Flashlights

<p><span style="font-size: medium;">Channel 1 uses 9A+direct drive (except the E21A version, with 9A constant current only)</span></p> <p><span style="font-size: medium;">Channel 2 uses 5A constant current</span></p> <p> </p> <p><span style="font-

intl-outdoor.com

Emisar DT8 Dual Quad 18650 LED Flashlight - LED Flashlights

<p><span style="font-size: medium; color: #ff0000;"><strong>Clearance sale.</strong></span></p> <p> </p> <p><span style="font-size: medium;"><strong>Warning</strong>: Output will be dependent on cell model (incl.age) and temperature.</span></p> <p

intl-outdoor.com

 

[HitFactor]

I love my Fenix FD45.
I want a light like it, with a bit more power, 1500+ lumens. It must be about the size and width of the FD45, but powered by a single, as big as possible, lithium battery.
What options are out there?

Fenix E28R V2.0 Rechargeable EDC Flashlight

Explore the Fenix E28R V2.0 Rechargeable EDC Flashlight: 1700lm EDC, USB-C, battery indicator, magnetic base. Compact, waterproof, and dustproof.

www.fenixlighting.com

This is similar, but longer. I think to get the 1500 you need a larger battery (you asked for big as possible) that can support the necessary current draw.

 

[Hooked on Fenix]

Fitorch P25GT Little Fatty. 3000 lumens on one 26350. You can get an extender tube if you want to use a 26650 flat top battery as well. 3.1 inches in length in short configuration (26350).

 

[lightseeker2009]

This looks like what I want.