Rechargeable 12V 7AH Sealed Lead Acid Battery for 385ci Portable Fish Finder Chrome Battery 12V 7AH - 84 Watts - T1 terminals - 5.6 lbs (H)3.72" x (L)5.94" x (W)2.56" Polarity: [+ -], Maintenance Free and Fully Charged Sealed Lead Acid and AGM Design Prevents Leaks and Corrosion Unmatched 60 Day Money Back Guarantee with an Exceptional 18 Month Warranty Free Shipping 1-3 days- average 2 days- occasionally 4 days in remote areas. Ships same day if ordered before 3pm EST