Which Blue-Smart Battery Charger Do You Recommend?

Question:

Which “Blue-Smart Battery Charger” do you recommend I use for 3 connected 4 Volt FireFly Batteries? It looks like the IP 65 is the charger to use? Did I phrase that correctly?

Answer:

Thanks for the reach out. A firefly battery bank of (3) 4V is 450 amp-hours in battery capacity and requires at least 20% of battery capacity as a charge rate. Therefore you need a minimum of 90 amps of charging and those Blue-Smart chargers are way undersized for the task. - Jeff

Should I Have an Inverter/Charger or a Separate Inverter and a Separate Charger on My Boat?

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Should I Have an Inverter/Charger or a Separate Inverter and a Separate Charger on My Boat?

Inverter/Charger Installation Kit

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Inverter/Charger Installation Kit

Xantrex XC Pro Marine Inverter/Charger - UnBoxing and Product Review

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Xantrex XC Pro Marine Inverter/Charger - UnBoxing and Product Review

Boat Show 2019 - How To - Choosing & Installing An Inverter/Charger

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Boat Show 2019 - How To - Choosing & Installing An Inverter/Charger

Tips - How to Use an Inverter/Charger Remote Control on a Boat

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Tips - How to Use an Inverter/Charger Remote Control on a Boat

My Battery Charger Has Three Outputs, Can I Connect Them All to One Battery to Charge Faster?

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My Battery Charger Has Three Outputs, Can I Connect Them All to One Battery to Charge Faster?

My Charger Has Three Phases, Bulk, Absorption and Float, Does It Know the Levels of the Batteries?

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My Charger Has Three Phases, Bulk, Absorption and Float, Does It Know the Levels of the Batteries?

Is a 40A Charger Sized Properly for My 170Ah Battery Bank on My Boat?

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Is a 40A Charger Sized Properly for My 170Ah Battery Bank on My Boat?

Why Doesn't My Nespresso Coffee Machine Work With the Inverter/Charger on My Boat?

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Why Doesn't My Nespresso Coffee Machine Work With the Inverter/Charger on My Boat?

Battery Charger Wiring & Installation on Your Boat

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Battery Charger Wiring & Installation on Your Boat

Tips - DC Boat Wiring for an Inverter/Charger Installation

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Tips - DC Boat Wiring for an Inverter/Charger Installation

Should I Have a Switch So the Shore Power Bypasses the Inverter/Charger on My Boat?

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Should I Have a Switch So the Shore Power Bypasses the Inverter/Charger on My Boat?

How Do I Add a Two-Bank Charger to My Boat Batteries Without Interfering With the Battery Combiner?

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How Do I Add a Two-Bank Charger to My Boat Batteries Without Interfering With the Battery Combiner?

If I Have An Inverter/Charger, Do I Still Need an Isolation Transformer?

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If I Have An Inverter/Charger, Do I Still Need an Isolation Transformer?

Should I Use the Inverter/Charger Monitor or a Stand-Alone Battery Monitor?

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Should I Use the Inverter/Charger Monitor or a Stand-Alone Battery Monitor?

Is There ONE Battery Charger to Charge AGM and Lithium?

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Is There ONE Battery Charger to Charge AGM and Lithium?

I Am Installing an Inverter/Charger on My Boat, Why Do I Have to Install a Switch on the DC Side?

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I Am Installing an Inverter/Charger on My Boat, Why Do I Have to Install a Switch on the DC Side?

Tips - Common Pitfalls of Installing an Inverter/Charger on a Boat

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Tips - Common Pitfalls of Installing an Inverter/Charger on a Boat

Can I Use a Methanol Fuel Cell as a Back up Battery Charger?

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Can I Use a Methanol Fuel Cell as a Back up Battery Charger?

Should I Keep the Inverter/Charger on While My Boat Is Unattended?

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Should I Keep the Inverter/Charger on While My Boat Is Unattended?