| Menu Item | Unit | Optimum Setting | Purpose / Reason |
| AC Input Range | – | UPS | Fast switching, clean power for stable grid |
| AC Output Mode | – | SBU | Solar → Battery → Grid priority |
| Battery Capacity to Turn OFF AC2 | % | 30% | Protect battery, drop medium loads |
| Battery Capacity to Turn OFF AC3 | % | 40% | Drop heavy loads early |
| Battery Voltage to Turn OFF AC2 | V | 49.5 | Stop medium loads safely |
| Battery Voltage to Turn OFF AC3 | V | 50.5 | Stop heavy loads first |
| Discharge Time to Turn OFF AC3 | min | 5 | Prevent AC cycling |
| Discharge Time to Turn OFF AC2 | min | 8 | Stability before load drop |
| Time Interval to Turn ON AC3 | hr | 10:00 | Allow heavy loads in solar hours |
| Time Interval to Turn OFF AC3 | hr | 18:00 | Protect night battery |
| Time Interval to Turn ON AC2 | hr | 08:00 | Morning usage allowed |
| Time Interval to Turn OFF AC2 | hr | 22:00 | Reserve night battery |
| Battery Capacity to Turn ON AC3 | % | 65% | Heavy loads only on strong battery |
| Battery Capacity to Turn On AC2 | % | 50% | |
| Battery Voltage to Turn ON AC2 | V | 52 | Medium loads return safely |
| Battery Voltage to Turn ON AC3 | V | 53.5 | Heavy loads return safely |
| Charge Time to Turn ON AC2 | min | 10 | Voltage stabilization |
| Charge Time to Turn ON AC3 | min | 20 | Heavy load safety |
| Battery Cut-off Voltage | V | 48 | Protects LiFePO4 from deep discharge; avoids BMS hard cut |
| Bulk Charging Voltage | V | 56 | Full charge level for 16-cell LiFePO4 (51V nominal) |
| Float Charging Voltage | V | 54 | Moderate float; avoids lithium swelling and stress |
| Max. Charging Current | A | 20 | ≈0.2C for 102Ah bank; safe long-life charging |
| Maximum Battery Discharge Current | A | 50 | ≈0.5C for 102Ah bank; supports heavy loads without abuse |
| Max. AC Charging Current | A | 20 | Limit grid charging to safe 0.2C for lithium |
| Charging Source Priority | – | Solar First | Use PV first, then battery, then grid for savings and protection |
| Battery Equalization | – | Disabled | Equalization is not suitable for LiFePO4 batteries |
| Real-time Activate Battery Equalization | – | Disabled | Prevent any equalization events on lithium |
| Battery Equalization Time Out | min | 0 / Disabled | No equalization duration for LiFePO4 |
| Battery Equalization Time | min | 0 / Disabled | Equalization not used on lithium |
| Equalization Period | day | 0 | No periodic equalization for LiFePO4 |
| Equalization Voltage | V | N/A | Not applicable because equalization is disabled |
| Back to Grid Voltage | V | 50 | At ~35–40% SoC, switch to grid to protect battery |
| Back to Discharge Voltage | V | 52 | Resume battery discharge when SoC is comfortably higher |
| Back to Grid Capacity | % | 35% | Switch to grid when remaining capacity is low |
| Back to Discharge Capacity | % | 60% | Use battery again when capacity recovers |
| Battery Cut-off Capacity | % | 10% | Emergency reserve; prevents full depletion |
For 24V Acid/Liquid/Flooded Battery:
| Menu Item | Unit | Optimum Setting | Purpose / Reason | |||||
| Battery Type | – | Flooded Lead-Acid | Correct charging profile for flooded batteries | |||||
| AC Input Range | – | UPS | Clean power for stable grid | |||||
| AC Output Mode | – | SBU | Solar → Battery → Grid priority | |||||
| Battery Capacity to Turn OFF AC2 | % | 60% | Protect battery from deep discharge by removing medium loads | |||||
| Battery Capacity to Turn ON AC2 | % | 75% | Battery must recover before medium loads resume | |||||
| Battery Capacity to Turn OFF AC3 | % | 75% | Heavy loads removed early to protect battery | |||||
| Battery Capacity to Turn ON AC3 | % | 90% | Heavy loads only on very high state of charge | |||||
| Battery Low to Charge SoC | % | 50% | Begin charging when SoC falls to about half to prevent sulfation | |||||
| Battery Cut-off SoC | % | 45% | Emergency minimum SoC limit to avoid deep discharge damage | |||||
| Battery Back to Discharge SoC | % | 80% | Only resume battery discharge when SoC is high and healthy | |||||
| Battery Voltage to Turn OFF AC2 | V | 23.5 | Safe lower voltage under load for medium-priority loads | |||||
| Battery Voltage to Turn ON AC2 | V | 25.8 | Battery voltage must show real recovery before medium loads | |||||
| Battery Voltage to Turn OFF AC3 | V | 24.5 | Heavy loads removed earlier while voltage is still reasonable | |||||
| Battery Voltage to Turn ON AC3 | V | 27 | Heavy loads return near bulk-charge region | |||||
| Battery Low to Charge Voltage | V | 24 | Voltage at which charging should start to avoid chronic undercharge | |||||
| Battery Cut-off Voltage | V | 22.8 | Emergency protection from deep discharge for flooded cells | |||||
| Bulk Charging Voltage | V | 29.2 | Standard flooded bulk/absorption charging voltage | |||||
| Float Charging Voltage | V | 27.2 | Long-term maintenance float voltage | |||||
| Max. Charging Current | A | 37 | ≈0.2C of 185Ah for safe, long-life charging | |||||
| Maximum Battery Discharge Current | A | 93 | ≈0.5C of 185Ah for heavy loads without severe stress | |||||
| Max. AC Charging Current | A | 37 | Limit grid charging to same safe 0.2C rate | |||||
| Charging Source Priority | – | Solar First | Use solar first, then battery, then grid to reduce costs | |||||
| Battery Equalization | – | Enabled (Manual) | Occasional equalization needed for flooded batteries | |||||
| Battery Equalization Voltage | V | 30 | Equalization voltage to break up sulfate crystals | |||||
| Equalization Period | day | 30 | Monthly equalization interval | |||||
| Battery Equalization Time | min | 60 | One-hour equalization duration | |||||
| Back to Grid Voltage | V | 24 | Switch to grid when battery becomes weak | |||||
| Back to Discharge Voltage | V | 26 | Resume battery discharge when voltage shows good recovery | |||||
| Back to Grid Capacity | % | 60% | Switch to grid around this SoC to avoid deep cycling | |||||
| Back to Discharge Capacity | % | 80% | Use battery again when SoC is strong | |||||
| Battery Cut-off Capacity | % | 45% | Same as cut-off SoC; emergency floor to prevent damage | |||||
