This is an AJC Brand Replacement for a John Deere X350 42-in Deck U1 Lawn Mower and Tractor Battery Factory activated, this battery arrives fully sealed, charged and ready for action Maintenance free AGM technology, no need to add acid or water ever Cold Cranking Amps: 300 Voltage: 12V (12 Volts), Terminal: NB Battery is compatible with these Brands: John Deere. IMPORTANT: You MUST RE-USE: your existing cabling and hardware. These are replacement batteries only. NOTE: It is your responsibility to verify the batteries being ordered match the batteries in your unit prior to placing your order. We are not responsible for incorrect orders. Chemistry: Sealed Lead Acid (AGM). Warranty: 6 Months. DISCLAIMER: Our products are not affiliated with, authorized by, created or sold by John Deere.