Re: Hooking up two panels with different amperages in series
Welcome to the forum.
The current on these two panels is so close that I wouldn't worry about it at all. Yes, the lower current panel will limit the output of the higher one. But it's about a 10% difference.
Also since this is feeding an MPPT controller the numbers it picks may not be the panels' rated output; it will take whatever Voltage * current it thinks is best to provide optimum charging.
So you will have three parallel strings, each with a 144 Watt and a 68 Watt panel. As far as the TriStar is concerned you will have 636 Watts from which it will be able to produce around 40 Amps of current peak. You can look at that as 480 Watts. It might do better. There are bigger variables here than 0.3 Amps per panel.
For those who like math: 49.5 Volts * 4.1 Amps = 202.95 Watts * 3 = 608.85 Watts for the whole array.
Four 175 Watt panels, OB MX60, 232 Amp hrs, OB 3524, Honda eu2000.
Ohm's Law: Amps = Volts / Ohms
Power Formula: Watts = Volts * Amps