Echo Charge Dual Battery Bank Combiner | Xantrex 82-0123-01 Aluminum Trim Tab Anodes How often should I replace

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Echo Charge Dual Battery Bank Combiner | Xantrex 82-0123-01 Aluminum Trim Tab Anodes How often should I replaceEcho Charge Dual Battery Bank Combiner Xantrex 82 0123 01 XANTREX Echo Charge Dual Battery Bank Combiner 82 0123 01 Xantrex digital echo charge is designed to charge auxiliary or starting batteries. Charges from an inverter charger or other charging source with limited voltage drop The Xantrex echo charge detects when the house battery bank is beingcharged. Once charging is detected it directs a portion of the charge current to auxiliary or starting