![]() In parallel, you are doubling the capacity while maintaining voltage. Useful if powering a load that requires a voltage higher than 12V.Ĭonnecting batteries in parallel means that you are doing the opposite as when you connect in series. If you connect the two batteries in series, you will have a total rated voltage of 24V and maintain a capacity of 210ah. So pretend you have two batteries with a rated capacity of 210ah and rated voltage of 12V. There is a mathematical curve that should be used to get precise measurements, but for estimating use the 1:1 ratio and add a little cushion for error.Ĭonnecting batteries in series means that you are doubling the voltage but maintaining capacity. The 1:1 ratio will not continue as you deviate to either side of the standard amp hour rating. Amperage loads larger than this number will last for a shorter period of time and loads smaller than this number will last longer than the stated 20hrs. ![]() For example a 210Ah rating at 20Hr will run a 10.5Ah load for 20 hours. Simply put, divide the stated hour metric into the AH rating to see what amperage load will last the rated hours. There are generally two standard hour lengths used, 20 and 10 to allow consumers to compare apples to apples. Capacity is rated in Amperage-hours (ah) and Voltage is rated in Volts (6V, 12V, 24V). When talking about battery installation with multiple batteries you need to keep in mind the total capacity and total voltage. Ever wondered what it means to connect batteries in series or in parallel? Ever wondered which is better…or if it matters or even what the difference is? Here is some basic information on how to get the most out of your batteries while preventing damage. ![]()
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