Fortress Power eFlex MAX 5.4
Specs last updated . We don't track firmware versions.
Battery
| Chemistry | LiFePO4 |
|---|---|
| Voltage | 51.2 V |
| Capacity (energy) | 5.374 kWh |
| Capacity (amp-hours) | 105 Ah |
| Cable terminal | M8 |
Current limits
| Max charge current | 100 A |
|---|---|
| Max output current | 100 A |
| Peak output current (short bursts) | 130 A |
Inverter communication
With closed-loop communication, the battery tells the inverter how to charge it. These inverter makers list this battery for it:
Sol-Ark closed loopGrowatt SPF/SPE closed loopOpen loop (no comms)The battery maker also lists settings for these, but the inverter makers don't list this battery: Victron BMS-CanSchneider XW Pro BMS
Inverter compatibility
- 8 Specs match
- 18 Needs manual setup
- 21 Partly checked
- 42 Not compatible
Show the 42 inverters that don't work
Where to buy
- No store links yet. The maker's site is below.
- Fortress Power (maker)
Sources
We pull these values from the maker's documents, and a person checks each one before it goes live. Store links never change a result.