Midnite Solars' grey powder-coated Steel Battery Enclosures with locking doors are ETL Listed for the US and Canada for indoor use. They are for use with sealed AGM or gel batteries.
The Heavy Duty Plastic Enclosures are designed to hold Flooded L-16 type batteries and is made from high density polyethylene (HDPE) sheet. The box has an insulated base with removable middle section that minimizes lifting, easing battery installation. The plastic is easy to drill with hole saw to attach conduit fitting for inverter cables. A hydrogen vent tube in the top should be extended to exterior of building.
The Aluminum Chest Style Enclosures come in either insulated or non insulated. Pad mount, chest style enclosures are manufactured with 0.125" 5052-h32 aluminum. All enclosures are provided with integrated louvers located to promote convective air flow through the enclosure to reduce internal temperatures and remove gasses.