Installation: Workshop

  • Battery Choice

    Yeap! have bought Rolls again, this time direct from Barden UK. They also supplied the Victron controller. I have bought 2 off Rolls S6 145 (250Ah @ 20Hr) and 1 off Rolls S12 27 (105Ah @ 20Hr) A major factor in choice is weight. I only want around 30Kg…More »
  • Cables from Array

    7th April. Just attached the cables to the roof of the workshop by first fixing an upright to one of the purlins and then a batten from that to one of the rails. The attachement to the rails is just ~ wedged under. The wood is Siberian Larch left over…More »
  • Earth Grounding

    Have extended the cooper strip to a piece of copper pipe some 4 to 5 feet of which is burried in a shallow channel that is used for rain overflow, to help conduction. The copper strip can be seen @; the PV…More »
  • Installation

    The batteries arrived today with the MPPT and have been installed. It was late in the day before I had finshed and initially the controller went to bulk then abs. The first thing I did was to make a stainless steel backplate to fasten the controller to…More »
  • MPPT Set-Up

    May 9th Initially the controller default programme is the lowest, so I have now set it to option 4. The nominal voltage then is 14.9v and tested at 15.1 probably due to temp compensation, which has to be set. Once I have a second Victron Direct USB…More »
  • Power Generation

    Batteries are 250Ah @20 hour rate. At 12v that's some 2.6Kw :: At 14.5v that's 3.68Kw of power to charge. If battery doesn't go below 80% then 800w should be fine or approx 1 good hour of sunshine. OR 6 hours of peddaling???More »
  • S6 145 Specific Gravity

    I have labeled the two S6 145s A and B and the cells in each are 1,2,3 Specific Gravity on May 12th just before sunset. A1 = 1.280 :: A2 = 1.275 :: A3 = 1.250 | B1 =1.280 :: B2 = 1.275 :: B3 = 1.260More »