Check for any physical. If, after checking, your battery has more than 80% of its original capacity, it will not be replaced under the warranty. because it is considered perfectly functional. MK Battery.
Vertex VP12-A-4 Sealed AGM Motorcycle/Powersport Battery, 12V, 10Ah, CCA (-18) 175, Replaces: CT12A-BS, YT12A-BS Perfect battery for Motorcycle, ATV's, Personal Watercraft and Snowmobiles
Vertex VP7A-4 Sealed AGM Motorcycle/Powersport Battery, 12V, 6Ah, CCA (-18) 90, Compatiable with: CTX7A-BS, Perfect battery for Motorcycle, ATV's, Personal Watercraft and Snowmobiles
Vertex VP5-3 Sealed AGM Motorcycle/Powersport Battery, 12V, 4Ah, CCA (-18) 70, Compatiable with: CTX5L-BS, Perfect battery for Motorcycle, ATV's, Personal Watercraft and Snowmobiles
Vertex VP20-3 Sealed AGM Motorcycle Battery, 12V, 18Ah, CCA (-18) 270, Compatiable with: CTX20L-BS/CTX20HL-BS, Perfect battery for Motorcycle, ATV's, Personal Watercraft and Snowmobiles
Vertex VP14-4 Sealed AGM Motorcycle/Powersport Battery, 12V, 12Ah, CCA (-18) 200, Compatiable with: CTX14-BS, Perfect battery for Motorcycle, ATV's, Personal Watercraft and Snowmobiles
Vertex VP20CH-4 Sealed AGM Motorcycle/Powersport Battery, 12V, 18Ah, CCA (-18) 270, L:151mm W: 88mm H: 163mm Perfect battery for Motorcycle