Y50-N18L-A3 High Rechargeable Performance - Maintenance Free - Sealed AGM Motorcycle Battery Chrome Battery Y50-N18L-A3, 12V, 21AH, 260 CCA, 252 Watts (H) 6.45" x (L) 8.11" x (W) 3.58" 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 day delivery, occasionally up to 5 days. Ships same day if ordered before 3pm EST