![]() You can limit the maximum bulk current to 0 2C. You set the absorb Voltage to 14.6V (or 14.2V if you like). ![]() The MPPT sees the battery and the loads as one. For instance it my never be possible to terminate the charge on tail current if a load is constantly drawing more than that. Therefore some of those parameters can't be adhered to. The battery manufacturer is giving charge parameters assuming that there are no loads connected to it, only the charger. Thanks in advance! MPPT Controllers battery charging Lithium Battery Sorry for so many questions, this I am new to all this. What does the MPPT aim to charge these at during bulk phase? That doesn't seem to be a setting I can adjust. Lastly, what should my absorption voltage and time be? How about the float voltage? Battery University says these batteries should really just be charged in bulk phase to ~90 or 95% capacity and then turn off charging. Safe Charging consists of temperatures between 32 ✯ and 113 ✯.ĭoes the battery stop accepting charge from the MPPT once the current has tapered? Does the MPPT know when to stop charging the battery? How do I know when these are full? How does the system know when these are full? Charging will terminate when the charging current has tapered to a 0.02CA. The battery shall then be charged at a constant voltage of 14.6V while tapering the charge current. Standard Charge shall consist of charging at 0.2C constant current rate until the battery reaches 14.6V. Looking at the spec sheet, Renogy says the following. I don't want to do that and would prefer charging to 14.2 This is hooked up to two, wires in parallel Renogy 170ah lithium ion batteries.Īccording to their spec sheet they are "recommended" to be charged to 14.6 volts. ![]() I have an Victron 150/45TR MPPT charge controller being fed by 600 watts of Renogy panels wired in series.
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