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  1. R

    Best dc to dc Charger for 200ah lith. Battery

    Which is my bet for a dc to dc Charger.
  2. R

    Renogy dc to dc Charger with existing 400 w solar charger.

    well now that I know that I can use solar and DC to DC Charger my next question is this. I have a SOK 206amp Hr battery. And my Nissan truck has a 130 amp alt. would I need a 20 amp charger or a 40 amp. Needles to say I don’t want to damage the trucks alt.
  3. R

    Renogy dc to dc Charger with existing 400 w solar charger.

    Do you need to turn off the solar system to your house battery when you are using the dc to dc
  4. R

    Renogy dc to dc Charger with existing 400 w solar charger.

    I have a 400w solar set up that charges a 206ah SOK battery. Every thing works just fine. I want to install a Renogy 20 amp Dc to Dc Charger to charge the battery during rainy/ cloudy weather. is 20amp Charger large enough. I don’t want to burn out my factory alternator. what I can’t figure out...
  5. R

    Compatibility of SOK 206ah battery with a SOK 100ah

    when you say technology will work. Is there any danger to doing it. Assuming I wire the two together with the proper cable size
  6. R

    Dc to dc charging and solar charging

    My aim is to keep my 200ah lith battery charged to run my fridge and led ceil lights. Newfoundland can have cloudy conditions that last a long time
  7. R

    Compatibility of SOK 206ah battery with a SOK 100ah

    So it will work? going to an area that has frequent rain. Worried about not having enough sun to charge my house battery. would it be better to have a dc to dc charger. Wonder if the stock alternator would be enough to do this.
  8. R

    Compatibility of SOK 206ah battery with a SOK 100ah

    I have 400 w solar panels that charge a SOK 206 ah Lith. Battery. Can I add a SOK 100ah battery to my batterie bank
  9. R

    Dc to dc charging and solar charging

    i have a SOK 200 amp lith. Battery charged with 400w solar panels. Works great. But going to a northern location where sunshine is not that often. I want to add a dc to dc generation from my Nissan Frontier. It has the standard altinator. Do I need a more powerful alt. And how do I add it to the...
  10. R

    No power from panels to mppt?

    Well folks everything was put together the way it should be. Took another look at everything thinking my 69 year old brain was going. And low and behold saw that the fuse that bolts onto the battery post was at an angle. Fixed that hooked it all up and now am charging the battery all be it slow...
  11. R

    No power from panels to mppt?

    Here it is. I don’t know what’s going on. 4 100w hqst mono panels. Wired exactly to Prowse’s book page 62. 8ft run with 10g wire to Epever 40w mppt. 1 foot run of 8g marine tin clad copper wire to sko 200ah battery. Via bolt on 50amp fuse on pos. Battery post. Here are my readings. From...
  12. R

    No power from panels to mppt?

    Will send photos in am. But wired just as in Wil’s book. Checked 5. Times.
  13. R

    No power from panels to mppt?

    Yes connected the battery first 8 ga marine tined copper 1 foot run from Epever 40 amp mppt. 12/24v auto working max 150v regulator tracer Bn series neg. ground control/. HQST 100 solar panel mod. HSP 100 DL. No inverter 12 v distrablution system has no fuses so. Not drawing
  14. R

    No power from panels to mppt?

    Found a multi meter I’m confused I’m getting 34 volts on a evening sky. What’s going on?
  15. R

    No power from panels to mppt?

    I’m digging up a volt meter. Battery just came in the mail. I guess I can’t do any without a meter. I’ll check back when I test the volts.
  16. R

    No power from panels to mppt?

    No power? to mppt from 4 in series group 100 w HQST panels. No power at mppt which is hooked to 200ah sok battery. Checked all connections. followed diagram in Wil’s book. How do I troubleshoot the problem. I’m feeling bad on this one.
  17. R

    Inline fuse between solar panel and mppt.

    Thanks for the information. I also have used US made marine grade wire and have used thicker sizes then could be used.
  18. R

    Inline fuse between solar panel and mppt.

    I have followed Will’s plan for a 400w. System . I have fuse between mppt and battery. Fuse between mppt and dc distribution panel. do I need fuses between solar panels and mppt. No where in his plans do they appear. I’ve watched the videos and no mention of fuses. Im a bit confused as these...
  19. R

    Temp. Prob on battery

    Thank you for your that information. There was nothing about hat in the instructions. seem that is an important fact that should have been in them.
  20. R

    Temp. Prob on battery

    It’s about 1 1/2 inches long and about 3/16 round. Wire coming out of end which goes to mppt. Nothing on top of battery to mount to . Need some way to fasten to flat top of metal battery case. Wonder if hot glue to top ? Any idea.
  21. R

    Temp. Prob on battery

    What is the best way to attach temp. Prob. Onto top of SOK battery? The prob runs from mppt .
  22. R

    Charging new lithium battery

    Yes I have a charge controler between them. Thanks for the help
  23. R

    Charging new lithium battery

    Can you charge a new battery to full charge with a solar panel system
  24. R

    Grounding to trailer frame

    I have a 400wtt solar panel system. 40 amp mppt going in to 200 amp hr lithium battery set. No invert. All my dc circuits go through a fourrions ac/dc distribution panel. I have a hot water heater that uses 12volts this has a ground from its control box. How would I ground this system?
  25. R

    Hqst 100amp battery

    100 amp bms they are only selling one battery on their website
  26. R

    Hqst 100amp battery

    Is the hqst lithium 100 amp battery any good. The price and weight are both fantastic.
  27. R

    40 amp mphpt fuse size

    Using a 4ga wire for a 18 inch run
  28. R

    40 amp mphpt fuse size

    I have the 400 panel system that is in the book. I have a 40amp mppt going to a 200 amp hour lith. Battery bank. I have a 40amp braker that has been collecting dust. Can I use it between the mppt and batterys. Or dose it have to be a higher amperage?
  29. R

    400 watt system

    Thank you for your help. Clear and easy to understand.
  30. R

    400 watt system

    So no fuse between batt and 12 volt circuit box? Could the battery send a charge that destroy‘s the 12 v. circuit box. I’m new at this but shouldn’t you protect the 12 v hook ups.
  31. R

    400 watt system

    Amps to light 1amp, max amps to fridge 9amps water heater, 7 amps, water pump max 10 amps. I know the fuse sizes for 12 volt fuse box. Ned to know what size fuse from control to battery and from panels to control.
  32. R

    400 watt system

    I have 14g wire in a 6 ft run to port fridge, 14 g 4 ft run to propane hot water heater. The rest are 14g to led lights all were low watts. Batterys are 11/2 ft from charge control. Batterys are 1 1/2 feet to 12 vet fuse panel. 4ga. Between batt. And 4 ga. To charge control
  33. R

    400 watt system

    I’m following the plans for the 400 watt system on Will’s site. I’m not going to use the inverter. Just 12v lights ,fridge. I’m confused about the circuit breakers and fuses. What size and where do they go. Am using a 40amp mptt charge control and two 100amp Lith. Batt. Can anyone help me...
  34. R

    Alternator

    I plan on use the Renogy dc to dc unit. Was reviewed on the web site
  35. R

    Alternator

    I plan on using Anderson plugs for the truck trailer connections. The run from truck battery to trailer battery is 25 feet. I was thinking or 02 wire. Will this be enough
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