Fortress Power eVault Max 18.5kWh 48V LFP Battery - Whole-Home Storage

Fortress Power eVault Max — 18.5kWh 48V LFP Battery | Whole-Home

The Fortress Power eVault Max is a high-capacity 18.5kWh lithium iron phosphate (LFP) battery engineered for whole-home backup and off-grid energy independence. With 360Ah at 51.2V, this single-unit powerhouse delivers enough stored energy to run a typical home through extended outages. Built with premium LFP cells and a 10-year warranty, the eVault Max scales up by paralleling additional units for commercial-grade storage capacity.

Key Benefits

• 18.5kWh Single-Unit Capacity — Substantial storage for whole-home backup and multi-day off-grid living
• LiFePO4 Chemistry — Safe, thermally stable lithium iron phosphate — no thermal runaway
• 360Ah at 51.2V — High-capacity 48V bank with robust charge/discharge ratings
• Modular Expansion — Parallel multiple eVault Max units for commercial-scale storage
• Smart BMS with Active Balancing — Cell-level monitoring and protection maximize battery lifespan
• Wide Inverter Compatibility — CAN/RS485 communication protocol for seamless integration
• Cloud Monitoring — Optional Fortress eVault Guardian cloud-based remote monitoring

Specifications

What's in the Box

• Fortress Power eVault Max 18.5kWh Battery
• Communication cable
• Mounting brackets
• User manual