The new ML15-12 SLA is a 12V 15AH Sealed Lead Acid (SLA) rechargeable maintenance-free battery, Pack of 6 - UL Certified Dimensions: 5.94 inches x 3.86 inches x 3.98 inches. Terminal: F2. The listing is for the Battery only. No wire harness or mounting accessories are included. SLA / AGM spill-proof battery has a characteristic of a high discharge rate, wide operating temperatures, long service life, and deep discharge recover Rechargeable battery that can be mounted in any position, resists shocks and vibration. Long-lasting high performance in high and low temperatures. You can buy them for $25 each Reg. price is $36.00 plus tax and shipping.