Zoom icon Click to expand Tap to zoom Chevron down icon Chevron down icon 12 Volt 45 Amp Sealed Lead Acid Battery - MK Battery ES40-12 - W878 by MK Battery Save Liquid error (product-badge line 32): -Infinity% $249.50 SKU W878 1 2 3 4 5 6 7 8 9 10+ Quantity Chevron down icon Quantity Add to cart Spinner icon Notify me when back in stock Email address Email me when available Sealed Lead Acid Battery. 12V 45A MK Battery Part Number - ES40-12 Voltage - 12 Amp Hours - 45 Length - 7.79 Width - 6.54 Battery Height - 6.73 Terminal Height - 6.73 Weight - 31.04 lbs