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Yes, you can use a maintenance charger to charge two 12-volt batteries connected in parallel, as long as the charger is compatible with the total voltage. When batteries are in parallel, they maintain the same voltage while combining their capacities. Ensure that both batteries are of the same type, age, and state of charge for optimal performance and longevity. It's also advisable to monitor the charging process to prevent overcharging.

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1mo ago

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