Batteries

 
 
Why Choose a AGM Battery?
 
 
AGM (Absorbed Glass Mat) Batteries
 
AGM batteries are just like flooded lead acid batteries, except the electrolyte is being held in the glass mats, as opposed to freely flooding the plates. Very thin glass fibers are woven into a mat to increase surface area enough to hold sufficient electrolyte on the cells for their lifetime. The AGM battery can now accumulate more acid than is available, and never spill a drop.
 

Advantages

All AGM batteries have enhancements over flooded lead acid batteries:

  • Fluid retention - un-spillable
  • High on power density, holding roughly 1.5 x the AH capacity of flooded batteries due to purer lead
  • Low internal resistance allowing them to be charged quite rapidly
  • Water conservation - never requires addition of water
  • Acid encapsulation in the matting .
  • Availability of UL, DOT, CE, Coast Guard, and Mil-Spec approved.
  • Vibration resistance due to the sandwich construction.
  • AGM store very well and do not sulfate or degrade as a deep cycle batteries. 
  • AGM batteries can be stored anywhere, side ways, upside down in part that they are "sealed regulated valve", therefore, no leakage .
  • AGM batteries weigh a third less than the weight of a deep cycle battery. Compare our AGM 35ah @ 23lbs vs 37lbs lead acid deep cycle.

  • Disadvantages

  • AGM batteries cost 20% more than deep cycle batteries.
  • AGM batteries have up to a 10 year lifespan, but must be sized to discharge less deeply than the traditional flooded batteries.
  • AGM batteries do not tolerate overcharging. Overcharging dissociates the water in the electrolyte, which is unable to be replaced, leading to premature failure
     
    Deep Cycle Battery
    •  Deep Cycle batteries have less instant energy, but greater long-term energy delivery.
    • Deep cycle batteries cost less than AGM, have thicker plates and can survive numerous discharge cycles and are heavy approx. 37lbs. 
    • Deep Cycle batteries tend to sulfate or degrade and can only be stored upright to avoid acid spillage. 
    • Deep Cycle batteries often used on Kayaks are 75ah and weight 35lbs.
    • A deep-cycle battery is designed to discharge between 50% and 80% depending on the manufacturer and construction of the battery. Although these batteries can be cycled down to 20% charge, the best lifespan vs cost method is to keep the average cycle at about 50% discharge. 

     

    AGM Battery 
     
     
     
    35ah/12volt
     
    4 hours at 1st / 2nd speed.
    3 hours at 3rd speed
    1.25 hours at 5th speed
     
     
    Item # 83619
    Sale Price $79.99
     
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