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Front view of the closed Fortress eVault Max energy storage system, showcasing its sleek design and integrated control panel

Fortress Power | eVault MAX | LFP Battery | 18.5kWh, UL Certified

by Fortress Power
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Fortress Power eVault Max 18.5kWh LFP Battery - Advanced Energy Storage - Data Sheet / Manual

Introducing the eVault Max 18.5kWh LFP Battery from Fortress Power, a leading-edge Lithium Iron Phosphate energy solution for both residential and commercial settings. This state-of-the-art battery is designed for seamless scalability up to 370kWh, ensuring it meets a wide array of energy demands. Its serviceable top cover makes installation and maintenance straightforward, offering you peace of mind with minimal downtime.

The eVault Max stands as a paragon of safety and efficiency, featuring overcharge, deep discharge, over-heat, and over-current protection, alongside cell monitoring and balancing. Voltage and temperature monitoring systems work in conjunction with closed-loop communication with inverters to provide a harmonized energy storage experience. This battery is built to handle surges with ease, aligning with the highest standards of reliability.

Equipped with the latest Lithium Iron Phosphate Technology, certified by UL 1973 and UL9540, the eVault Max ensures longevity and performance. It boasts an exceptional >98% round-trip efficiency rate, making it a competitive choice in the market. With its large LCD display, you can monitor your system's performance locally, and its smart digital BMS ensures optimal interaction with hybrid inverters.

Please note, the eVault Max is not designed for retrofitting with an existing eVault Classic system. If expansion to an eVault Classic setup is required, additional considerations apply.

Total Energy (kWh) 18.5
Capacity[Ah] 360
Nominal Voltage [V] 51.2 (48)
Voltage Range[V] 48-55
Recommended Charge Current [A] 150
Max. Charge Current (Continuous)[A] 180
Max. Discharge Current (Continuous)[A] 180
Max. Pulse Current (for 10 sec) [A] 200
Charging Temperature[F] 32 to 120
Discharging Temperature[F] 14 to 77
Dimension [H xW x D, inch] 20.3 x 20.3 x 42.2
Weight[lbs] 520
Enclosure Protection Rating IP55
Mounting options Floor standing
Certificates UL 1642, UL1973, UL9540
Warranty 10 Years
Scalability Maximum 20 in Parallel (370 kWh)
Communication CAN/RS485
High Current Circuit Breaker 250A
Efficiency >98%