diy solar

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  • Building my first system

    Hello everyone, I am building a system for my 29 foot trailer and I believe I have most of it figured out but I do have some questions. I plan on starting with the following parts -KISAE IC-122055 INVERTER-CHARGER 55 AMP -EPever 4210A 40 AMP Rated Charge Power 520W/12V 1040W/24V Max. PV...
  • New lithium battery charge settings

    First weekend back at camp and I installed my new 24v 300aH lifepo4 battery. I set my MidNite classic 150 for 28.8v eq and absobtion, 27.6v float, 0 minutes for eq time. Not sure if this correct. There are also the absorption charge time and ending bulk amps at 5.4a. What is the recommended...
  • Help with selecting charger

    I purchased a 24v 300ah Lifepo4 battery and it should be in in a couple of weeks. I was wondering if there was any recommendation on a charger that is about 50a to 60a, unless this is not a good idea.
  • Going to Lifepo4

    My system at camp is currently 24v 420aH FLA batteries and I want to move to LiFePO4 next year but I am stuck in selecting where and what to purchase. I would like to stick to 12v in the event I change the batteries or go back to 12v inverter, I can reuse the batteries or sell them easily, 24v...
  • Victron charge controller

    I currently use a MidNite classic 150 for my new 24v 300aH battery but rather keep it for my old fla batteries so I am looking at the victron 150/70 to replace it. There are a few options available (smart solar, blue solar, Bluetooth, tr, ve.can, etc). I want to go the Bluetooth route so I’m...
  • Inverter overload - strange problem

    I have an Aims 24v 3000w inverter charger with a 420ah battery bank. Everything works great either in inverter mode or when the inverter is in charge/bypass mode with my Yamaha 3000efi inverter generator. When I use my air conditioning unit (it has a hard start kit) in inverter mode the...
  • Help identify BMS

    I purchased a 24v 300ah battery from Alibaba Qishou technology and wasn't sure if they screwed up or not. On a sticker label on the battery is shows JBD150A (7680WH) and in the APP BMS model is AP21S001-V11GB. The sticker on the battery worries me because it looks like 150A and I cant really...
  • Battery capacity tester

    I recently received a battery i purchased, 24v 300Ah, and I wanted to test it to make sure everything is working correctly and it actually has the capacity it’s supposed to have. I`ve been looking through the forum as well as online for a capacity tester for the entire battery (not individual...
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