Replacement GP 2800-RD Emergency Lighting Battery zoom in Replacement GP 2800-RD Emergency Lighting Battery Item #: CUSTOM-277, Product Specifications for Replacement GP 2800-RD Emergency Lighting Battery SPECIFICATIONS: BM Part #:CUSTOM-277 Voltage:2.4 Volt Capacity:1100 mAh Type:NiCd Length:4" Diameter:0.6" Shipping Weight:1.00Lbs Warranty:1 Year FITS:GP - 2800-RD, GP - GP2800-RD, Battery Guy - 18839, Battery Guy - BGN800-2AWP-326EC