Micro-Grow below 100 Watt

I_T_C_R_W___GROW This Grow-Diary starts with its new home. A small 40x50x79 cm Growbox. So very limited hight for the Plant ( only ca 45cm from soil). The Moby Dick is now in Week 3-4 after relocation. It was a gifted seed from a order at Linda Seeds. Got 3 Barney Farms Seeds, have given one to a friend, planted one here and one ist waiting for the next Auto round in a bigger box. I would like to see how much you can get out of a ca. 50cm Plant with less than 100 Watt Energy (or at max. 30€ for the powerbill of the box). The Plant had a few weeks with 300/500/700 PPFD in my big glasbox with LED and HDL. No Waterstress until now. Everything went smooth with it. Plan: Topping a Auto a few times makes the plant lose a week or two of veg time, but here - i think - it is a must to make a dwarf plant with a lot of nice buds. I have cutted it to 13 small colas and remove everything else what grows somewhere, in this way i should get at least a few g 13 times from this miniplant. The COB leds get very hot , so only using for 30-45 Minutes without fan. I would like to explore switching timing of these high power lights with 10W and 50W Cells.