Optima AGM BT DC battery - 5.5 - 75 Ah The OPTIMA BLUETOP battery, which uses SPIRACELL AGM technology, does not leak and requires no maintenance. Lightweight, it can be mounted almost anywhere, in any position. Its resistance to vibration is 15 times greater than that of other batteries - no mean feat in a boat hull! Finally, it retains its charge for longer and recharges faster, thanks to its extremely low self-discharge rate. In other words, it means a quicker return to the water after the off-season. Key benefits : - Double clamping - Very high starting power. - Extreme resistance to vibration. - Extreme temperature resistance. - Extremely fast charging time. - Optimum performance for weight and volume. - True Dual Power. - Can be installed lying down. - Maintenance-free Dimensions L x W x H: 325 x 165 x 238 mm Use: Mixed Voltage in V : 12 V Volume : 13.002 Weight : 26.5 kg Capacity : 75 Ah CCA cold start capacity : 975 MCA cold start capacity : 1100