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Fortress Power eVault Max 18.5kWh LFP Battery

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Fortress Power eVault Max 18.5 kWh Lithium Battery The newest innovative Lithium Iron Phosphate battery from Fortress Power is the eVault Max 18.5 kWh. 

An all-in-one solution for your residential and commercial needs. Scalable up to 370kWh with a serviceable top cover access to make installation of this battery simple and worry free. 

The eVault Max is AC/DC coupled to solar arrays and works for many applications that require solar storage, including Off-Grid, Back Up power, self-supply and Peak Charge Reduction just to name a few.

What's included:
• Large LED Display screen
• Sleek Industrial-Grade Aluminum
• Front-Serviceable Cover
• Transportable on wheels

The eVault Max 18.5 is The Largest Single Residential Battery On The Market!
• Safe Lithium Iron Phosphate Technology (LiFeP04)
• High Durability and Long-Lasting
• Closed Loop Communication with Inverters
• Scalable from 18.5 kWh - 370 kWh
• Intelligent Digital Processor Based BMS
• Advanced cell level monitoring and balancing
• IP55 Aluminum Industrial Grade Enclosure
• Touch screen LCD performance display

The Built-In Smart and Reliable Relay-Based Battery Management System integrates multilevel safety concepts for excellent performance:
• Overcharge and Deep Discharge Protection
• Over-heat protection
• Over Current Protection
• Cell Monitoring and Balancing
• Voltage and Temperature Monitoring
• Optimized Internal Structure – Easily Serviceable
• Handles More Surge Capacity from Inverters

Use solar power all day and night – even during grid outages!
• Provide power during grid outages
• Lower your electrical bill by avoiding having to buy electricity at peak times
• Enjoy a generous tax credit when incorporating with solar (US Only)
• Increase your independence from the utility grid


  • Manufacturer: Fortress Power
  • Model: eVault Max 18.5
  • Length [mm (in)]: 515 mm (20.3 in)
  • Width [mm (in)]: 515 mm (20.3 in)
  • Depth [mm (in)]: 1073 mm (42.2 in)
  • Weight [kg (lb)]: 235.87 kg (520 lbs)
  • Wormanship Warranty Period [Years]: 10
  • Battery Energy Capacity [kWh]: 18.5

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