Blanket Style Battery Warmer For 10-28kW Air Cooled Generators with an AGM Battery The 7211 Battery Warmer for the Next Generation home standby generators wraps around the AGM style battery to keep it warm for improved battery performance in cold weather. Recommended for use wherever temperatures fall below 32 °F. Includes a Generac 1-Year Limited Warranty. Generac Battery Warmer 7211 for AGM Batteries Fits all New Next Generation Air Cooled Generators Blanket Style Wraps Around Battery Use Wherever Temperatures Fall Below 32 °F Fits all models from 10kW to 28kW Generac 1-Year Limited Warranty For the following generator models: 7324 - 18/17kW Air-Cooled Standby Generator, 200A Transfer Switch 7328 - 26/24kW Air-Cooled Standby Generator, 200A Transfer Switch 7259 - 18/17kW Air-Cooled Standby Generator 7327 - 26/24kW Air-Cooled Standby Generator 7323 - 14/14kW Air-Cooled Standby Generator, 200A Transfer Switch 7282 - 28/25kW Air-Cooled Standby Generator 7258 - 14/14kW Air-Cooled Standby Generator 7260 - 22/21kW Air-Cooled Standby Generator 7325 - 22/21kW Air-Cooled Standby Generator, 200A Transfer Switch 7329 - 28/25kW Air-Cooled Standby Generator, 200A Transfer Switch, with ecobee by Generac Smart Thermostat