And so now i can confirm that, even if the base tubes are not 100% identical, they can freely be switched with lamp part of both lamp (both combinations are working).
The “Q8” base tube one :
- is a little bit smaller (a few milliters smaller)
They are compatible, as the LT1 was designed & patterned to use the same battery tube as the Sofirn Q8. ( to save manufacturing & sale cost) only the end cap is different as it has the tripod mount threaded hole on the LT1 version.
Yeah I'm sure pogo pins are super comfortable but really, if there's no standardized pad arrangement you'll have to make a custom pin holder from scratch for every light. Kinda defeats the purpose. I wouldn't really know how anyway, and would have to buy pogo pins first etc... So I just took out the LT1 driver (easy to do, just two screws) and clipped onto the microcontroller. However that's really annoying if you are developing a firmware while also not having an external power supply. My clip constantly fell off tho so I got really close to just soldering wires to the programming pads on the driver after the 30th time flashing it or something lol. But yeah, no idea how other people do it.
Edit: You only need 6 pins for programming, the LT1 kinda has a 3x3 pad arrangement. Are you sure the Emisar kit doesn't fit mechanically onto these pads? If it does, it'd be easy to make an adapter cable that just makes sure the pinout is correct.
You'd be able to use the pogo pins as well, there's a pin header on that side as well after all. Just need to manufacture a cable that swaps signals according to the needed pad arrangement.
I'd expect six just loosely held wires to be a quite dodgy connection.
I meant using both sides – the programmer and the pogo pin PCB – and connect them with jumper wires. Or is Hank’s pogo pin adapter just 2+4 instead of “full” 4+4? In that case it can still be used – just omit ground or V+ and connect it directly to the flashlight.
5x AMC7135: 5 * 0.35 A = 1.75 A
1/256 duty cycle: 1.75 A / 256 = 6.8 mA
LED + MCU: 6.8 mA + 2 mA = 8.8 mA
Battery capacity: 4 * 3300 mAh = 13.2 Ah
Estimated runtime: 13.2 Ah / 8.8 mA = 1500 h = 62.5 d
Recently I got my BLF LT1 and it has a spare USB cover together with the spare o-rings. You should ask Sofirn if they can send you one. They should have it available as a spare part.
Do you know which screws (with which dimensions) to buy and that would fit the BLT L1 screw holes ?
I ordered these ones (flavor “LS047” / screw 4.5mm + additional height 3mm), and sadly they don’t fit well (and not in the same way between hole on the side versus at the bottom = it goes deeper on the side) (and i haven’t been able to find models without the “gap” in the middle).
Barry kindly sent me some real pictures of the new LT1 colors. I think their anodizing team did a pretty good job, didn't they? Maybe we get to see these new colors packed with new features like full USB-C compatibility (PD charging) as well as reverse-charging, i.e. to use LT1 as a powerbank to recharge external devices.