Special consideration must be paid to this external interconnection however. Wiring the batteries up to achieve the necessary capacity is akin to the internal battery wiring used to create the battery itself from the individual cells. Rule #3: Maintain All Components to Be as Identical as Possible For lithium batteries, visit Lithium Battery Balancing. Rule #2: Balance Batteries Prior to Connectionīefore connecting batteries in series or parallel, it is important to balance them to reduce voltage differences and optimize their performance. Over-tightening can result in terminal breakage, while loose connections can lead to terminal meltdown or fire. To ensure safe and reliable operation of the system, please follow the manufacturer’s recommended torque specifications when securing cable connections. Verify polarity before wiring to avoid irreversible battery damage due to polarity reversal. Precautions & Rules Rule #1: Safety FirstĪvoid short-circuiting the battery terminals to prevent irreversible damage to the system and battery caused by current bursts. Series-parallel connection results in both voltage and amperage adding. Series connection results in voltages adding and amperage remaining the same while parallel connection results in amperages adding and voltages remaining the same. You can connect your batteries in either of the following: Reaching the necessary electrical system requirements can be easily accomplished by connecting the batteries in the appropriate manner. Voltages may need to be increased to reduce system amperage through various components or to meet charge controller requirements. Storage capacities often need to be increased to deal with battery maintenance issues or to extend operating times for attached loads. Individual batteries are typically too small in terms of either storage capacity or voltage.
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