Battery; The only parts recommended by Motor Company for , Lincoln and Mercury vehicles. Inter-cell welds reduce resistance for improved cold crank performance. Optimized grid design maximizes current flow and cranking performance. Premium alloy grid helps maximize battery life in high heat environments. Envelope separators help protect plates from direct shorts, improving service life. BXT Series - Tested Tough MAX is the original equipment replacement battery for all Motor Company vehicles. The BXT 65-850 with 850 CCA's provide battery power for Heavy Duty Group 65 Applications. Motorcraft batteries are family priced for simple, easy-to-understand selection. Impact-resistant polypropylene case and heat-sealed cover help prevent leaks. Special bonding paste helps minimize internal vibration, a leading cause of battery failure. Broad selection of battery sizes that fit 94 percent of all automotive applications. Many marine, commercial and farm/industrial applications are also covered.