AJC? replacement compatible with Cub Cadet RZT-42 U1 Lawn Mower and Tractor Battery. Exact OEM replacement guaranteed to fit easily and precisely. Maintenance free AGM technology, no need to add acid or water ever. 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.INFORMATION AJC? Replacement Battery BCI Group: U1 Voltage: 12V (12 Volts) Terminals: NB Cold Cranking Amps: 300 Chemistry: Sealed Lead Acid (AGM) Length 7.76 in Width 5.12 in Height 6.7 in Weight: 14 lbs Disclaimer: Our products are not affiliated with or authorized by Cub Cadet BENEFITS OF AJC? REPLACEMENT BATTERIES High quality, low cost replacement batteries for thousands of devices. AJC batteries are exact OEM replacements guaranteed to fit easily and precisely. Millions of batteries sold globally. Buy with confidence. Our batteries are backed by easy 30-day returns and a 12-month warranty. SLA BATTERY CARE Recharge batteries after each use to prevent performance decline. Avoid complete discharges. Periodically check terminals for signs of corrosion or other wear which might cause failure. Always store battery fully charged. Store battery in cool, dry place (68��F/20��C). Recycle batteries, do not dispose.