I have a fully NDS Leisure system, with an NDS 110W solar panel. I want to add a second panel to provide more solar capture for a longer period over the year. The current panel has been superseded by one with slightly different characteristics. My original van converter, who would likely undertake the work, proposes that the existing panel should be removed so a precisely matching pair can be installed. This seems a waste and may also damage the roof.
So, must the solar panels be absolutely identical, or is a nearly the same modern equivalent good enough for a second panel? I acknowledge that adding a slightly different panel may lead to small loss in the aggregated input, but are these 'small' and with no other downsides?
I believe the current panel to be an NDS Solar Flex 110W Flex Module:
Do I need two new panels or just a nearly matching additional panel, either option brought in through an NDS Sun 300W Dual MPPT Regulator.
Thanks, Martin
So, must the solar panels be absolutely identical, or is a nearly the same modern equivalent good enough for a second panel? I acknowledge that adding a slightly different panel may lead to small loss in the aggregated input, but are these 'small' and with no other downsides?
I believe the current panel to be an NDS Solar Flex 110W Flex Module:
- Max. Power: 110W
- Voltage at maximum power:. 18,56V
- Open circuit voltage: 21,6V
- Current at max power ISC:. 6,32A
- Max. Power: 110W
- Voltage at maximum power:. 17,28V
- Open circuit voltage: 20,97V
- Current at max power ISC:. 6,2A
Do I need two new panels or just a nearly matching additional panel, either option brought in through an NDS Sun 300W Dual MPPT Regulator.
Thanks, Martin