About Inverter connects lithium battery as lead-acid battery
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6 FAQs about [Inverter connects lithium battery as lead-acid battery]
Can a sine inverter be used as a battery charger?
The other thing you could consider is to use your Mecer as a battery charger only, and your sine-inverter as an inverter only. In this case you would get rid of your lead acid batteries and connect the Lithium instead. But this is really clunky. A 12V Axpert inverter is the better option.
Is it advisable to put lithium in parallel with lead acid?
I allways thought it would be not advisable to put lithium in parallel with lead acid, but the more I think of it, the less crazy it seems. My LA system is 24V based, the 8 cell Winston would be 25.6V nominal. I would source a 3rd party BMS to manage the lithium.
Does lead acid float at a high absorption voltage?
I antecipated, and can confirm what you say: The Lithium charges and discharges first. And at ~3.4 V per cell, we don't need to have high absorption voltages for the Lead Acid, we can keep it float "almost" all the time - provided that all below is considered:
Do we need a high absorption voltage for lead acid?
And at ~3.4 V per cell, we don't need to have high absorption voltages for the Lead Acid, we can keep it float "almost" all the time - provided that all below is considered: - I have looked at my overnight typical consumption and found it to be in the ~3 kWh range.
How much lead acid current is in a composite bank?
I confirmed with a DC clamp that the Lead Acid current is almost zero most of time. Tipical cycle of composite bank is now: 25.6 -> tipical lowest voltage in the morning -> 27.6 (30 minutes absorption) -> 27.0 V float from ~14h PM onwards till sundown.
Can a Mercer inverter power a tower ups?
If it is a tower ups they are normally also modified sine wave why not just use the Mercer inverter to power whatever. It is an Online / Pure Sinewave UPS, it has 3 x batteries which i have replaced and is now running 3 x 28ah Lead Acid batteries, it has options to install all the way up to 100ah batteries, and can change the charger accordingly.


