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Old 07-03-2019, 04:34 PM
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Join Date: Oct 2010
Location: Ex UK Brit now in Latvia west coast - Ventspils
Posts: 12,370

Solar may seem a good idea ...... but start calculating panel needed ..

Lets say a B6 charger at 50W. It needs a minimum of 12V at 5A to even start to charge at low to medium rates in the 2 and 3S ranges.

Solar panels .. I have a 1ft square panel sits on my motorboat to top-up the SLA battery that runs my auto bilge pump ... that panel is 12v at 0.6A ...

That means to get equivalent to the power - is 10 panels .....

Once you factor in the voltage drop and sunlight factors - you can double that ... portability now seems to be 'out of question' ... unless you cover roof of your trailer / vehicle ?
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