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  1. Algarve Sparky

    Help with solar pv polarity

    So I have completed a rewire on a house that had stood empty for several years, vandals had stripped the place including pulling all of the cables from the tubes. So rewire was a case of replacing cables, board, sockets and switches. However the place is no longer connected to the electricity...
  2. Phil284

    Solar iboost varying electric usage

    Hi all. Bit of a weird one. Have solar PV with a iboost +. All was working fine until meter was exchanged for a smart meter. The system is still working, the solar iboost buddy is registering power usage and excess has been sent to the hot tank, but, the amount of power registered is not...
  3. sajeel

    solar panel connect directly to consumer

    Have a client with solar panel setup with batteries fitted, they have asked if possible to store the electrical energy and then use for lighting, i was thinking of using a contactor or changeover switch as cannot feed both power sources into 1 lighting circuit all your replies and suggestions...
  4. M

    Solar panel calculation

    Hi First time poster, I have a 250w solar panel and a 90ah 12v battery. What size regulator / controller do I need please? Is it as simple as connecting the controller between panel and battery? Can you use standard flex? Thanks in advance
  5. A

    Convert solar lights to 240v

    I purchased two sets of Christmas lights for garden path last year but they did not do very well - I think because of poor amount of daylight in the North. They have a small solar panel to power 4 spiral trees. See attached pictures. The advert says they are powered by Solar panel: 2V 60MA...
  6. johnbufton

    Solar Panels - What are best?

    I have an electric car and an air source heat pump (so we use quite a bit of electricity). We have a house with south-facing roof. I've had a few quotes but feel confused about the variety of advice we are getting. All agree that a battery is good. People have quoted between a 4kw unit to a...
  7. G

    Solar Panel to operate camera

    Hello guys, I have 10W solar panel, a 7000 mah battery and 10A charge controller. there is 7 hours of light a day i have 3W little camera which supposed to work 24/7 continually. in direct clear sun, im getting around 20V from the solar panels (i'm measuring direct the panels with fluke) i...
  8. H

    a solar panel to start a PV inverter project

    A few days ago I purchased a solar panel to start a PV inverter project. Additional devices used are TFT LCD, rechargeable lithium batteries and microcontrollers.
  9. T

    Buy Solar battery storeage then disconnect it?

    Hi, I wish to buy discounted solar battery storeage, eg Powervault. https://www.powervault.co.uk/ I can get £2k discount if i agree to "grid-flex", in other words, i connect it to the internet, and let the power company sometimes have control of my battery, and then they can sometimes...
  10. Peach0032

    Panel / AED Heater Setup Advice

    I run a local charity raising cash to install defibrillators (AED's) around our small town in South Manchester - Most of the 14 we have installed are either in an old phone box or attached to a building with a suitable power supply available for the lockbox heater (supplies just enough heat to...
  11. Algarve Sparky

    Off grid solar and earth return

    So despite living working in a country blessed with 300 days of sunshine I have not got my head around this solar thing, there is very few companies here who know what they are doing and buy off the shelf kits and rarely do they perform as sold and in many cases unregistered ones actually...
  12. Brunel

    INFO. ON SOLAR PANEL INSTALL

    Asking for a friend, moving into a house that has Solar panel installation. So far no documentation has been forthcoming from the seller. This is all I have so far. 1. diagram of the installation 2. photo of the supply trip in the consumer unit. No battery involved . My Q. as it is connected...
  13. P

    Battery/UPS for home with leased solar PV, looking for hardware & installer

    Hi all, I am looking for battery/UPS system to install in my home, so I have power in sockets in the rooms when mains AC is off. I have leased solar panels installation on the roof, it comes with inverter, smart meter etc., I can't modify their unit. But their power could re-charge battery/UPS...
  14. J

    Solar setup for shed...

    So I'm looking to create and extremely simple solar setup for a shed... I've got a generic 4x 5w GU10 LED bulbs on a bar which are currently connected to the mains via a dimmer switch. Basically - what do I need? I understand I'll need a panel, a battery and a charge controller. But I'm unsure...
  15. K

    Wiring Off-grid circuits to a solar generator?

    Hi all. I'm looking for advice on how best (i.e. 1- not a fire hazard, 2- meets code) to connect a solar generator to wiring for an offgrid cabin. Cabin (not yet built) will be 200-500 square feet. Only anticipate needing 3 circuits- 1 for a mini-fridge/freezer, 1 for a few overhead...
  16. P

    Solar Complete novice, looking for some guidance

    Hello everyone, hope your all well. So I have a little time on my hands and decided I would use it to build a small solar solution to heat the inflatable hot tub and save a little cash in the process. I've bought a couple of solar mats to heat the water and a 12v whale pump to push the water...
  17. C

    Solar iboost+

    I have a solar iboost and the main box has no display, voltage going in is fine but nothing coming out, it's 3-4 years old. Water is heating through the boiler but not through the iboost, do I need a new unit
  18. S

    Solar panels on shed: What cable requirements are needed to house?

    I am in the process of installing six solar panels on a new-build shed. I had planned on bringing the power from the 2Kw inverter to the main consumer unit in the home over a 4mm² armoured cable. This will be connected through a 25A 30mA SP Type B RCBO to the main rail in the consumer unit...
  19. J

    Immersion design issues for Solar PV Optimisation

    HI Folks. This is my first post so apologies if it's in the wrong location. I recently installed a 3kw Solar system with an iboost diverter which diverts electrical power to the dual elements (3kw and 2kw) on the water cylinder when there is an excess of power. I recently discovered that a...
  20. E

    Importing solar street lights from China

    Hello there , please I need your advice that i am importing solar street lights from China and i need some candidates to do the quality inspection test.

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