As a rule of thumb, a digital voltmeter is often the first step in determining a battery's State of Charge (SOC) as it measures its Open Circuit Voltage (OCV) to indicate the charge current required to provide a full charge. The battery manufacturer's specifications will ultimately determine whether the OCV corresponds to 100 percent of the SOC, and what type of charger is required for that particular make and model. Using a marine battery charger with an AGM setting can help efficiently charge a variety of battery chemistries including saturated lead acid and Absorbed Glass Mat (AGM) batteries.
In general, the proper charging requirements for a standard, dual-purpose AGM marine battery are as follows:
- Recommended minimum – 10 percent of amp hour capacity
- Recommended maximum – 40 percent of amp hour capacity
- Maximum recommended – 100 percent of amp hour capacity
When it comes to giving your marine battery extra power, it's important to recharge with confidence. Do the necessary research to ensure that you are using the correct type of charging material based on the battery's chemistry, make and model, and that you are using the correct techniques according to the battery manufacturer's instructions.
Just a few simple extra steps of preparation before the actual purchase and operation of your marine battery and charger system can go a long way in the overall investment.
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ABOUT ENESYS
EnerSys, a world leader in energy storage solutions for industrial applications, designs, manufactures and distributes energy systems solutions and dynamic energy batteries, specialty batteries, battery chargers, power equipment, battery accessories and outdoor enclosure solutions to customers around the world. The company goes to market with four business lines: Energy Systems, Dynamic Power, Specialty and New Ventures. Energy Systems, which includes energy conversion, energy distribution, energy storage, and closed spaces, are used in the telecommunications, broadband and utility industries, uninterruptible power supply, and many applications that require stored energy solutions. Motive batteries and chargers are used in electric forklift trucks and other industrial electric vehicles. Specialty batteries are used in aerospace and defense applications, heavy duty trucks, advanced vehicles, medical and defense applications. New Ventures provides energy storage and management systems for a variety of applications including demand reduction, backup power, and fast charging of electric vehicles. EnerSys also provides aftermarket and customer support services to its customers in more than 100 countries through its global sales and manufacturing facilities. More information about EnerSys can be found at www.enersys.com.
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