BATTERY OPTIMA RED AGM 12V 50A Engine starting, bow thruster and windlasses

Tubular AGM batteries

Optima batteries incorporate the SPIRALCELL technology : they provide much greater power than conventional batteries and deliver strong loads over short periods of time. There are ideal for use with engine start or bow thruster applications.
Charge voltage : 13.6 V without boost / 14.4 V with boost.
Construction features lead sheets separated by fibreglass layers to retain electrolyte.
Circular-plated watertight batteries, compact, vibration-resistant and leak-proof.

Watertight
 

Ref.	Capacity	Cold Cranking Amps (-18°)	Marine Cranking Amps (0°)
473383	50Ah	815 A	900 A
474884	55Ah	765 A	860 A
474885	75 Ah	975 A	1100 A