The long term result may be damage to the battery resulting in a loss of performance. This is especially true of high HP outboards that have correspondingly higher power requirements for starting as compared to smaller displacement motors in the 20 -70 horsepower range. Many battery manufacturers now offer a dual-purpose battery that offers some deepcycle and starting capability in one packige. This is the ideal solution for those who run pumps and depthfinders on an almost continuous basis and don't want to worry bout draining the battery and being unable to start the gas motor. If you decide to use his type of battery, make sure the battery you select has a sufficient CCA rating to start your outboard.
All tests assume a fully charges battery.
An industry standard rating that describes a batery's ability to start an engine. This rating will be higher than the CCA rating as a warmer battery can produce more current. The same test as CCA but performed at 27 degrees C. RC Reserve Capacity Used when comparing deep-cycle batteries. I wish I had a quarter tor every time I have discussed the following paragraphs with angry, frustrated or confused boaters who a bring me perfectly good working trolling motors and depthfinders only to have me tell them the problem is with their batteries. Deep-cycle batteries require a different charging technique due to their unique internal construction.