Reconfigure charging unit of hybrid inverter for new LiFePO4 batteries

[Cuteajax]

I have a china made 2400 watt MPP hybrid inverter (with embedded PWM charge controller). It has a default battery charging algorithm for Lead acid batteries (gel or AGM) but it doesn't have a charging algorithm for LiFePO4 batteries. I intend to procure new LiFePO4 batteries to replace my lead acid batteries in view of their inherent advantages (faster charging, lower density, higher cycle life, higher depth of discharge etc). I however am not planning to buy a new inverter. So, how can i configure the charging unit of my inverter to modify the charging parameters (charging current, charging voltage, charging time) for each of the stages of the 3-stage charging (bulk, absorption and float) charging algorithm?

 

[snoobler]

bulk/absorption, 3.65V/cell max. If you're okay with a long, slow charge that improves life and stops at about 95-98% Soc, 3.4V/cell.
float: 3.3-3.4V/cell

 

[time2roll]

Use Gel

Post the GEL charging profile for best answers on what to expect.

 

[snoobler]

I have found that many GEL programs have a 13.8V float, which is higher than recommended for LFP.