Primarily because it was developed in the 90's, remains essentially unchanged, and is missing a bunch of modern and convenient features. They were the bees knees back in the day, but have not kept up.
More modern monitors provide a much improved user interface, both in terms of physical interface on the unit (no 7 segment LEDs) but more importantly through bluetooth with a phone/tablet/laptop app. Setting these up is a breeze through the app, you can choose pre configured settings for a given battery chemistry, or modify each parameter to your specific needs. You can view histories, and re-sync etc through the app without having to remember bizzaro 'upside down calculator' letter codes. You also don't have to mount the display prominently (or at all) as you can read everything in the app, and many of the Victron components will actually talk to each other to provide more detailed control.
The Trimetric also lacks some basic features, including Peukert compensation (which it sounds like you would want) and temperature compensation.
As for the charge controller - all the points above apply, plus only providing PWM as opposed to MPPT.
Unless you got a screaming deal, it seems like you are paying more to get less.
More modern monitors provide a much improved user interface, both in terms of physical interface on the unit (no 7 segment LEDs) but more importantly through bluetooth with a phone/tablet/laptop app. Setting these up is a breeze through the app, you can choose pre configured settings for a given battery chemistry, or modify each parameter to your specific needs. You can view histories, and re-sync etc through the app without having to remember bizzaro 'upside down calculator' letter codes. You also don't have to mount the display prominently (or at all) as you can read everything in the app, and many of the Victron components will actually talk to each other to provide more detailed control.
The Trimetric also lacks some basic features, including Peukert compensation (which it sounds like you would want) and temperature compensation.
As for the charge controller - all the points above apply, plus only providing PWM as opposed to MPPT.
Unless you got a screaming deal, it seems like you are paying more to get less.
