In order to maximize battery performance, Concorde has developed heated batteries in the most popular sizes to mitigate cold weather problems. TSO authorized AC and DC powered heated Concorde RG Series batteries optimize Performance and convenience for cold weather operators. Concorde’s RG-380E/44, RG-380E/60 and RG-390E series of heated batteries incorporate internal AC (115 V nominal) and DC (28 V nominal) heater blankets that surround cells in the most optimal manor for equalizing cell heating. For more information visit www.concordebattery.com.