Unfortunately this is most likely an in-house (á’la Sofirn) variant of the classic version (i.e. no powerbank feature).
The only other place I’ve seen this design is an Aliexpress feedback entry from a Moldovan guy here from 05 Jul 2021 12:17.
And as you can see from both the product description and price of that Aliexpress listing, it is pretty clear that it is referring to the classic version.
I have the power-bank-equipped variant and its driver looks like the one in the orange lantern here.
Of course, in theory, yours could be just another layout design around the same components, but it is unlikely, as the bottom layer of your driver PCB is rather suspiciously missing the very distinctive, rectangular grid-pattern of the thermal vias of the thermal pad of the powerbank controller IC. (The central, copper-colored rectangle with holes in the new, PB-equipped driver). Which indicates yours does not have such an IC. (Or if it does, they completely screwed up its thermal design )
If you want to approach the question from a more practical angle, I can recommend three things:
- If you have batteries and a Type-C to Type-C cable and a suitable USB device to be charged, then just plug them together and see what happens
- If you don’t have all of the above, only the batteries and A-to-C cable, then start charging the lantern, and watch the indicator LEDs. The TP5100 charger IC of the old design lights up the charging LED constantly. On the other hand, the IP5310 power-bank controller blinks it at 0.5Hz. I am intentionally not writing about LED colors, because there is no way for me to know what color LEDs Sofirn was using for what purpose in your case. Long story short: if your charging LED blinks, you probably have the PB feature, if it is constantly lit, you probably don’t.
- Unscrew the driver, take some pictures of its top side with all components markings visible, and send it here. If you do that, I’ll be able to tell you if you have the BP feature or not with absolute certainty. Hope it helps!