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diy solar

Recent content by Indolent58

  1. Indolent58

    Get ready for the Price increase

    Some more background on shipping cost increases: https://www.reuters.com/business/china-us-container-shipping-rates-sail-past-20000-record-2021-08-05/
  2. Indolent58

    560ah 12v Bank for Sprinter RV

    I also used 2/0 and it is good for a 300 amp fuse. HaldorEE is right that the fuse protects the wiring. I sized the wiring and fuse to accommodate the maximum possible draw from the inverter. My old 200ah AGM bank had a 300A MRBF fuse which I replaced when going with the lithiums.
  3. Indolent58

    560ah 12v Bank for Sprinter RV

    If you look at the pics the cells are clamped in place with threaded angle brackets and bolts pressing on a steel plate. I didn't have room to put threaded rods on either side of the cells. The clamping force is not as strong as it could be with threaded rod but it keeps things from moving.
  4. Indolent58

    560ah 12v Bank for Sprinter RV

    Roughly 27x7x10.
  5. Indolent58

    560ah 12v Bank for Sprinter RV

    It's a 300 amp T-class fuse. I learned from this forum that T-class fuses are needed for large lithium banks because they have a high inrush current rating. In the case of a hard short circuit a conventional fuse or breaker could blow but still pass current via arcing. The 300 amp rating was...
  6. Indolent58

    560ah 12v Bank for Sprinter RV

    We have a NovaKool R3800. It's rated at 2.1amps @ 12v. It seems to draw more than that in real life but I haven't measured it precisely.
  7. Indolent58

    560ah 12v Bank for Sprinter RV

    You're right that 300 watts of solar isn't sufficient to charge the bank by itself. But when we are on the road we rarely stay in one place for more than a few days and so far it appears that only makes a minor dent in the battery bank's SOC. Driving brings the 60 amp DC-DC charger into play...
  8. Indolent58

    Can’t get my espresso maker to work! ?

    The inverter/charger looks a lot like a rebrand or clone of a Kisae-Abso 2000. If so it should not be the problem. I have one and it is more than capable of supporting an 800 watt espresso maker. I have to think that a combination of undersized long cable runs and using the chassis as the...
  9. Indolent58

    560ah 12v Bank for Sprinter RV

    Right. In my application with a 2000w inverter I would be hard pressed to exceed that.
  10. Indolent58

    560ah 12v Bank for Sprinter RV

    Thanks, yes I did.
  11. Indolent58

    560ah 12v Bank for Sprinter RV

    Since I have learned so much from this forum I thought I would share my approach to upgrading my Sprinter RV's battery bank. When I bought my Winnebago ERA it had two undercarriage mounted 100Ah AGMs and no inverter. Some years ago I added a 300 watt Renogy solar array, a 20 amp MPPT charge...
  12. Indolent58

    New Supplier for 280Ah cells: Shenzen Basen

    Well they may not be happy about doing it. This was the 1st time I have ordered from Alibaba and was expecting email communication not the internal messaging system so I missed it when she express concerns about the extra battery. I think they just gave up and filled the order but it was three...
  13. Indolent58

    New Supplier for 280Ah cells: Shenzen Basen

    I bought nine. Basen sent three boxes of three, with the extra spaces filled with foam.
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