Replacement homelite electric lawnmower model ut13222 battery set (2 batteries 12v 18ah)The MOWER2X2 batteries are designed to replace any scooter or mobility battery that uses a 12V 18A H battery it will replace the 12V 20A H but may have a reduced runtime. Please check how many batteries you need before ordering. Most Lawnmowers use two of these batteries but some do use four. The MOWER2X2 is designed to replace these capacities of battery 12V 18AH; 12V20AH Chemistry Sealed Lead Acid Voltage 12V Capacity 18A H Warranty 1 Year Model