Your Friendly Robotics Robomower RM400 Lawn Mower requires 2 - 12V 12AH batteries with an F2 terminal. Our replacement batteries feature high discharge design, wide operating temperature range, and long expected service life. The replacement battery set meets or exceeds the original manufacturer specifications and ensures your satisfaction regarding quality, durability and performance.

All Friendly Robotics Robomower RM400 replacement lawn mower batteries sourced by ReplaceUPSBattery.com feature Valve-Regulated Lead Acid (VRLA) Sealed Battery Technology. This superior design means that the batteries are maintenance free, and will allow you to use your lawn mower for longer on a single charge. Additionally, all our Lawn Mower batteries are UL (Underwriters Laboratories) certified.

You have to install the new 12V 12AH replacement battery set in your Friendly Robotics Robomower RM400 Lawn Mower in the same original configuration and reuse the existing cables. Please check your batteries for dimensions prior to ordering as manufacturers may change requirements without notice.

If you need help or any additional information about the Friendly Robotics Robomower RM400 lawn mower battery set do not hesitate to contact our customer service representatives via email, chat or call toll free at (800) 409-0250.