Dimensions are 4.40 inches x 2.90 inches x 3.42 inches. Polarity: Negative on left, Positive on right. The listing includes the Battery and Screws only, without wire harness or mounting accessories. The YTX4L-BS is a 12V 3AH 50 Cold Cranking Amps (CCA) Sealed Lead Acid (SLA) Battery. It is an SLA / AGM spill proof battery with a high discharge rate, wide operating temperatures, long service life, and deep discharge recover. It is a rechargeable battery that can be mounted in any position and is resistant to shocks and vibration. It offers long-lasting high performance in high and low temperatures, and is backed by a 30 day refund policy and full 1 year warranty.