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Theoretically speaking, you can connect as many DELTAs in serial (but not in parallel) as you want. However, the efficiency of the machines will be seriously compromised (The energy consumption of the inverters grows with the number of the connected machines). As a result, we do not recommend to connect more than 3 DELTAs in serial, and it is necessary to fully charge every DELTA before you connect them together. Moreover, connecting DELTA in serial will not increase the rated output, but will expand the capacity.

DELTA can be recharged through your car port and power your devices simultaneously.

DELTA can be recharged to 0%~80% in 1 hour, and be fully recharged in 1 hour 40 minutes.

DELTA can be fully charged through a 13.6V car port in 10-12 hours.

At perfect sunlight:
a. 1x 110W solar panel: 15h-30h
b. 2x 110W solar panel (in series): 7.5h-15h
c. 3x 110W solar panel (in series): 5h-10h
d. 4x 110W solar panel (in parallel): <4h
DELTA supports solar input ranges from 10V to 65V with a maximum allowed current of 10A and maximum input of 400W.