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- SKU
- PES-FFS-EFLEXMAX
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PES Supply is an authorized distributor for Fortress. 50,000+ SKUs from 169 authorized brands.
Fortress eFlex Max 5.4kWh 51.2V LFP Battery
The Fortress eFlex Max is a 5.4kWh lithium iron phosphate (LFP) battery designed for residential and commercial solar energy storage. With a 51.2V nominal voltage and IP65 outdoor rating, it offers flexible installation options. The modular design allows up to 30 batteries in parallel for scalable capacity, and the built-in battery management system (BMS) ensures safe, reliable operation.
Key Features:
- 5.4kWh usable capacity (105Ah at 51.2V)
- Lithium Iron Phosphate (LFP) chemistry - safest lithium technology
- 51.2V nominal voltage (16S1P configuration)
- IP65 rated for outdoor installation
- Up to 30 units in parallel for scalable capacity (162kWh max)
- Built-in Battery Management System (BMS)
- Wall-mount bracket included
- 10-year warranty
- CAN bus and RS485 communication
- Compatible with leading inverters
Shop the Fortress eFlex Max battery at Portlandia Electric Supply for competitive pricing and expert solar storage advice.
| SKU | PES-FFS-EFLEXMAX |
|---|---|
| Manufacturer | Fortress |
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