It comes down to which is less costly.
A cheaper PWM CC will only use about 67% of the panel wattage once you get above 200 watts. So you end up purchasing more solar panels to get the wattage you need.
A cheaper MPPT CC may use a higher percentage but may also not have the ability to set the proper charging voltage for all types of batteries. There are also fake MPPT CC which are very cheap and should be avoided.
A quality MPPT gives you both the usage of about 98% of your panel wattage, along with multiple charging setups. They are also built better and will last a lot longer.
So yes that MS TS 45A is not cheap but it is also much better in quality then a non name brand.
The choice is up to you.
A cheaper PWM CC will only use about 67% of the panel wattage once you get above 200 watts. So you end up purchasing more solar panels to get the wattage you need.
A cheaper MPPT CC may use a higher percentage but may also not have the ability to set the proper charging voltage for all types of batteries. There are also fake MPPT CC which are very cheap and should be avoided.
A quality MPPT gives you both the usage of about 98% of your panel wattage, along with multiple charging setups. They are also built better and will last a lot longer.
So yes that MS TS 45A is not cheap but it is also much better in quality then a non name brand.
The choice is up to you.
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