Replacement battery for Emergency Lighting. Specifications: 800mAh, 4.8V, Nickel Cadmium (NICD). Compatible with: Emergency Lighting. Replaces: 18623, All Fit E1021R, All Fit EJW-NICAD, BGN800-4BWP-326EC, D-AA650B-4, D-AA650BX4 and 5 more. All Fit replacement battery designed for Emergency Lighting devices. A direct drop-in replacement for the original battery.