YTX4L-BS Replacement Battery for Adventure YT4L-BS + 12V 1AMP CHARGER - Mighty Max Battery brand product Dimensions: 4.40 inches x 2.90 inches x 3.42 inches. Polarity: Negative on left, Positive on right. Listing is for the Battery and Screws only. No wire harness or mounting accessories included. YTX4L-BS is a 12V 3AH 50 Cold Cranking Amps (CCA) Sealed Lead Acid (SLA) Battery SLA / AGM spill proof battery has a characteristic of 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. Includes a Mighty Max 12 Volt 1 Amp Charger and Maintainer