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diy solar

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  1. J

    Trouble Charging LiTime TM Batteries

    I am new in the battery space and have been experimenting with different solar generators and battery builds. My battery builds seem to be more consistent than the ones I have purchased, but for some reason I think I prefer just buying off the shelf. Generally, I have the same issue with the...
  2. J

    Need help finding a cable for Shunt

    I picked up a li-time shunt and monitor from Amazon. It works fine but the cable is way too long for my solar generator. (It’s 20’ and I need one more like 3’) Normally, I’d just find a spot to tick it away, but space is at a premium and storing the extra cable isn’t practical. I tried finding a...
  3. J

    Basic Layout for DC2DC with Solar using common ground- will it work?

    Or can I use the multiple options to output switch to make it work safely? This seems like it will make it able to charge or make it so it charges and powers the outlet at the same time. 1. Option 1 selected will allow just the battery to run the outlets. 2. Option 2 selected will allow...
  4. J

    Basic Layout for DC2DC with Solar using common ground- will it work?

    What I really want to do is have 1 switch to disconnect the battery from the charger so solar and dc 2 dc will be off allowing me to work on the system if solar or dc 2 cd is still connected to the charger.
  5. J

    Basic Layout for DC2DC with Solar using common ground- will it work?

    This is my other option, I was trying to avoid splicing the wires from the DC 2 DC and Solar wires to the anderson connectors.
  6. J

    Basic Layout for DC2DC with Solar using common ground- will it work?

    I am trying to understand safety on this setup. 1. Can I use a common ground? 2. will the On/Off Switch work to safely disconnect the battery. 3. If solar and Car are both connected using common ground will that cause me any issues? - Common ground was not encouraged or discouraged in the...
  7. J

    Advice needed for Designing a Solar / Shore Power / Auto power box for my recently created battery.

    I didn't really get much feedback, and at the end of the day it was not that difficult. Just took a little time. Attached is a quick pass on the system. I built a box for it and then found a sweet deal on a pellican case so I went that route instead. Wiring layout is slightly different, but it...
  8. J

    Question about Dc2DC connection with solar on the same bus.

    Thank you for the quick response.
  9. J

    Question about Dc2DC connection with solar on the same bus.

    I am trying to properly connect devices within the same container. Hopefully I have given enough information to answer the question. I have the following I am working on: (sorry for the detail, but didn’t want to miss anything that might get asked) Blue Smart IP22 12/30 Smart Solar MPPT 100...
  10. J

    Advice needed for Designing a Solar / Shore Power / Auto power box for my recently created battery.

    As I look at other diagrams I notice others are using very large (100A) + with the 12/800 inverters. Am I misreading something? These should not pull more than the contiuous rated max correct? (at least that is my plan) i.e. ~ 61 A should be the max continuous I pull with that phoenix 12 / 800...
  11. J

    Advice needed for Designing a Solar / Shore Power / Auto power box for my recently created battery.

    Wow.. not even an RTFM smart remark from anyone? ;) I figured someone would have feedback or comment on what I am working through. Any thoughts or advice? (Bueller.... Bueller.... anyone?) Should I change anything up to make it more efficient? Do you see anything that might cause a ground...
  12. J

    Advice needed for Designing a Solar / Shore Power / Auto power box for my recently created battery.

    Ok. Been reading and designing a box that I can use in multiple vehicles. I didn't want to setup a dual battery on any of the other automobiles after setting up the first one. I am looking for any advice as well as any material you can send me to read. I appreciate both as I am learning but...
  13. J

    JBD 200A 4S wiring

    I thought it might block the signal as well, but its actually better than my 12 | 800 Victron Dongle. I get a great signal when the battery closed up.
  14. J

    JBD 200A 4S wiring

    Hey, thanks for the feedback. Here is an internal shot. (still a little cleanup to go, but super fun.) I have a friend helping on the build, since this is my first one. @Reigate thanks also for the mount I used it to mount it to a steel plate. The other side has a Victron shunt and 100 amp...
  15. J

    JBD 200A 4S wiring

    It if a revive on this, but the manual I found was not all that helpful. Anyone know what the extra two wires are for? One clearly is sized for j2 (discharge interface), since the manual is not really clear I thought I’d ask to confirm. The second one (with the two black wires) looks like a...
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