AEL Sentinel Mini Fire-Rated Lithium-Ion Battery Storage Cabinet

Secure, fire-rated storage for lithium-ion batteries with integrated fire detection, automatic suppression, and 90-minute fire-rated construction. Made in the USA.

The AEL Sentinel Mini is a purpose-built fire-rated storage cabinet designed for the safe, controlled indoor storage of lithium-ion batteries. It combines robust 90-minute fire-rated construction with integrated smoke detection, automatic fire suppression, alarms, and controlled ventilation.

Built in the USA, the Sentinel Mini features triple-wall steel construction with thermal insulation and intumescent door seals to help contain heat and fire. An integrated aspirating smoke detection system, automatic fire suppression, and audible and visual alarms provide multiple layers of protection for facilities storing lithium-ion batteries.

The Sentinel Mini is suitable for commercial facilities, laboratories, manufacturing environments, warehouses, research facilities, universities, battery testing operations, and maintenance departments where dedicated lithium-ion battery storage is required.

Key Features

• 90-minute fire-rated construction
• Triple-wall steel construction with thermal insulation
• Intumescent door seals
• Integrated aspirating smoke detection
• Automatic fire suppression system
• Audible and visual alarms
• Fail-closed ventilation
• Self-closing, key-locking doors
• Integrated grounding point
• Made in the USA
• Designed for lithium-ion battery storage
• Storage only — batteries should not be charged inside the cabinet

Available Configurations

Important Note

The Sentinel Mini is designed for battery storage only and is not intended for charging lithium-ion batteries inside the cabinet. Installation and use should comply with applicable local fire codes and requirements of the authority having jurisdiction.