Sunnyway sw12800(iii), sw-12800(iii), sw 12800(iii) replacement battery 12v 80 ahPlease Note our version of this battery has slightly larger dimensions. make sure that you check the dimensions will work for your application before ordering. Length 13 inches Width 6. 8 inches Height 8. 35 inches The Battery for Sunnyway 12V 80 Ah and others. Replaces battery Models SW12800(III), SW 12800(III), SW 12800(III) and is designed to replace the models of Sunnyway and other manufacturers as described below Chemistry Sealed Lead Acid