The following video shows my setup of the Bosca 25W Solar Lamp. This system consistently gave me 12-hours of light at night for more than a week now. The factors leading to this result are:
1. My units are good (no damage upon delivery)
2. I installed the system for maximum solar energy harvest at my location
3. I used only Auto and default brightness (level 5, out ot 9 distinct brightness)
4. Daily sunny weather
5. Most importantly, I charged the battery first for 3 straight sunny days before using it.
The reason for number 5 is that the system gave no clue for a full battery. So I just charged it first in the matter mentioned above. Since then I get consistent 6PM to 6AM light from it. I have yet to know how it will fare in rainy weather. But for now, January 2021, it's great!
I'm sure you can install it in different ways and get good results. So take my video simply as complementary information. Hope you'll like this. Keep safe!

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