I'm at sixes and sevens.
On the roof lets say I have 300w of solar (2x150w)
I could feed the solar into the Ctek D250s Dual and benefit from the box doing all the work.
Or
Still use the Ctek dual for DC-to-DC and simply wire the solar into the 25 amp MPP Solar unit and get a better idea of what is happening with solar panels and either put in a switch to enable me to switch over to the starter battery manually or buy a sterling battery maintainer to do the job automatically.
I think I know the answer. In which case I may have a unused and boxed MPP Solar PCM-3012 controller for sale
On the roof lets say I have 300w of solar (2x150w)
I could feed the solar into the Ctek D250s Dual and benefit from the box doing all the work.
- Charging the leisure batteries
- Pulse charging the starter battery
- making the most of the 20 amp MPPT facility built into the dual
Or
Still use the Ctek dual for DC-to-DC and simply wire the solar into the 25 amp MPP Solar unit and get a better idea of what is happening with solar panels and either put in a switch to enable me to switch over to the starter battery manually or buy a sterling battery maintainer to do the job automatically.
I think I know the answer. In which case I may have a unused and boxed MPP Solar PCM-3012 controller for sale