Yuasa NP18-12B 12V/17.2AH SLA Battery with NB Terminal Original Yuasa NP18-12 12V 18AH SLA Battery Dimensions: (L) 7.08 x (W) 2.99 x (H) 6.57. Weight: 13.66 lbs SLA/AGM maintenance free, spill proof battery Rechargeable battery that can be mounted in any position, resists shocks and vibration 1 Year Warranty