Husqvarna 579411601 Lawn Mower Battery, 12-Volt Genuine Original Equipment Manufacturer (OEM) Part This part is compatible with models including; 968999219,917204140,966612301,RZ4219/250201,MZ5424S,965882101,MZ54S-967334101-00,968999508,91750662,968999220,Z4619BF-968999764,Z242F-967271801-00,CZ4817KOA,Z4220BF-968999685,917289880,MZ5425S,RZ4219BF-966582201,28982,967334101-00,917277780,965881401,968999512,Z242F/967324401-00,968999517,115148427,968999511,Z248F-96730360100,967721801-00,MZ5225ZT-966690501,MZ6128ZT-966613101,Z4619-968999656,965882001,965882401,RZ4219-966809001,289820,965981001 This is a manufacturer substitution. Part may differ in appearance but is a functional equivalent to prior parts including; 539102436,5391024-36,5391024-63 Genuine Original Equipment Manufacturer (OEM) part. Compatible Brands: Husqvarna This battery (part number 579411601) is for lawn mowers Wear work gloves to protect your hands when installing this part