Looks good, I am wondering about the high power, cannot imagine
because meanwhile I tested the ECS300, used in Enocean products, also designed for low light (200 Lux) with amorphous crystalline cells. But the MPP is only about 160ยตW @ 1000(!) Lux.

The Harvester: ultimate power supply for the Raybeacon DK
from Vishay like MAL219691262E3? Seems for me as a good Super Cap with acceptable dimension...