June 28, 20224 yr Good morning, I have an older Dynex/Ceil 1450va 24v pure sinwave inverter running off 2 deltec 1250 high cycle batteries. Batteries were purchased in Feb 2019 so they are pretty used and no longer holding a proper charge, with just my wifi router plugged in (around 10-20w load), its ok for a 2-2.5h load shed. if i even plug a cell phone in to charge, the voltage starts dropping rapidly. Unfortunately they did drop below 50% a few weeks ago when we were out and the power was off for 4+ hours so im pretty sure batteries are finished now. We dont use more than a 150-200w max load at any given time, its usually less than 100w max unless we have the TV on. I have a 12k budget to either go with 2 Hubble s120 batteries if i can find stock or 2 lead acid 105ah batteries with 2x 300w solar panels. I can run my office/tv from just solar during the day time load shedding and rely on the battery back up at night time load shedding. After a year or less once ive saved up a bit again i can probably relook at hubbles or other lithium replacements. Should i go for lithium straight off and add solar later on or should i go lead acid and solar now and save for lithiums later on. Need some advice on what the smarter long term solution would be.
June 28, 20224 yr Author I am looking into it, i reckon for the short term, they should last 4+ hours on the small load. We mainly get load shedding early evening so having light is a priority for me. Im ok with no tv and can cook on gas cooker or braai if needed.
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