June 13, 20215 yr Hi. So what is the best settings for the Omni Power 240ah 48v for the king inverter 5kva? Float: 55.2v Bulk Charging Volt: 58.8v Max charging amps: 40a Back to charge volt: 49.0v Battery cut-off voltage: 48.8v Back to discharge voltage: 0.0v (ful){in the book it says full} hmm?
June 13, 20215 yr Author 9 minutes ago, Barryv said: So what is the best settings for the Omni Power 240ah 48v for the king inverter 5kva? My system is the 3kva 24v, but I wouldn't want the settings I used if I were you (doubled to get to your 48v), because my batteries didn't last more than a year 11 minutes ago, Barryv said: What program are you using here to change settings on the Axpert?
June 13, 20215 yr Hi ok. cool maybe @Coulomb can help or someone. lol 🙂 3 minutes ago, ascheff said: What program are you using here to change settings on the Axpert? watchpowerv1.14
June 13, 20215 yr 7 minutes ago, ascheff said: My system is the 3kva 24v, but I wouldn't want the settings I used if I were you (doubled to get to your 48v), because my batteries didn't last more than a year oh. I have battery balancers from Victron Energy on my batteries.
June 14, 20215 yr On 2021/06/13 at 11:20 PM, Barryv said: So what is the best settings for the Omni Power 240ah 48v for the king inverter 5kva? Float: 55.2v Bulk Charging Volt: 58.8v I would use middle of the road figures, unless you are changing the settings for summer and winter values. So 54.8 V float, and 58.2 V bulk/absorb. On 2021/06/13 at 11:20 PM, Barryv said: Back to charge volt: 49.0v Battery cut-off voltage: 48.8v I note that your effective back-to-charge voltage is going to be 50.8 V, or 12.7 V per 12 V module. That would keep the battery quite full for load shedding, at the cost of not making maximum use of solar power. See FAQ #2. On 2021/06/13 at 11:20 PM, Barryv said: Back to discharge voltage: 0.0v (ful){in the book it says full} hmm? I would guess that 0.0V is equivalent to FUL; slack programming.
June 14, 20215 yr 7 minutes ago, Coulomb said: I would guess that 0.0V is equivalent to FUL; slack programming. would you leave it on 0.0v(Full)? or 55.2v
June 15, 20215 yr 15 hours ago, Barryv said: would you leave it on 0.0v(Full)? or 55.2v Myself I would use FUL, if the goal is for the inverter to go to battery mode only once float stage is achieved. You can only set the back to discharge voltage to whole volts. Edited June 15, 20215 yr by Coulomb
July 26, 20214 yr I've previously owned an Axpert inverter and loved it. The axpert king is an absolute dumpster fire. If you dig deep enough you will most likely find it never fully utilized your batteries, or damaged them on the opposite end of the spectrum. R60k lesson learnt.
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