Hi antonio99 and welcome to BLF!
Here’s a thread that you can dig to search your preferences:
I compiled a list of flashlights that can be also used as powerbanks.
Small / medium flashlights
table(table#posts).
|Light|min price (*1)|reviews|cell|connector|in/out current|size|weight (with cell) (*3)|claimed lm|measured lm|uWh/mm³(*2)(*3)|mWh/g (*3)|claimed mlm/mm³ (*2)|
|DQG Tiny 4th +Folomov Cell |$25.65+$15.08|1 2 3 4 |18650|Micro USB|1A/1A|24.5x90.5mm|94g|850||285|129|19.9|
|Folomov EDC C4 |$29.7|1 2 3 4 5 6 7 8 9 10 |18650|Micro USB||25.4x99mm|98g|1200||249|128|23.9|
|Xiaomi Solove X…
Warning: I guess you will not find what you search for!
Also, many lights with powerbank or just rechargeable are not so easily moddable (unless you have good skills). The LEDs can be replaced easily in most of cases,but the circuit / driver to change the modes, not so much.
Some examples of that, though:
Finished a mod (finally) on a fairly big zoomie - the Xanes X915 P10, bought here on Ali . Came to my attention in the Zoomie thread here , Texas Toasted posting here . It's listed here on BG , but a bit pricey.
Originally planned on a SBT90.2 but decided against it because I got a SBT90.2 in a 1504 already, and the heat is not handled very well. So, a white flat W1 will do with a FET+1 driver running my tweaked Anduril. Plan is to use lighter gauge long leads for the LED's, since they already have…
Clone of On The Road M3 ~$13 - #103 by vwpieces (see some previous posts of that user on that thread)