Can Lithium Batteries be Connected to 12 Volt Charge Wire of Vehicle Alternator

Question

Question:

I installed 2-200amh lithium batteries in my rv. I was told I would need to disconnect the black wire from the 7-pin plug to protect the batteries from the tow vehicles alternator. Is this correct? I have a converter charger I purchased from E-trailer PD9160alv, 75-15 charge controller, with a 2000w inverter. Thank you.

asked by: Don G

0

Expert Reply:

Lithium batteries do need a higher voltage when charging than what a vehicle alternator can put out which is why you wouldn't want them connected to a power wire from the vehicle alternator.

expert reply by: Jameson C

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Answer 1

Yes, the Progressive Dynamics PD9100L Series Battery Converter Charger #PD9160ALV can be used without a battery to power your 12v loads. I was able to find in the instruction where it says "The INTELI-POWER series of converters are designed…

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Answer 2

Yes, you're correct that Progressive Dynamics started including the 2-stage charging function with their PD9100ALV line without changing the item number. I've personally ran through all of our inventory and of the available models of…

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Answer 3

If you've recently upgraded to lithium batteries, and that's what has precipitated your installation of the #PD9160ALV, the most likely explanation here is that your coach does not have the appropriate gauge wiring between the batteries and…

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Answer 4

Because lithium batteries have a full charge voltage of 14.4 to 14.6 volts and require a different charge profile than lead acid, the typical/traditional battery charger/converter system will not be able to fully charge a lithium battery. You will…

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Answer 5

Yes. Because lithium batteries have a full charge voltage of 14.4 to 14.6 volts, your standard battery charger/converter system will not be able to fully charge a lithium battery so you will need to upgrade your system. The Progressive Dynamics…

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Answer 6

No, the Progressive Dynamics Inteli-Power RV Converter and Battery Charger - Lithium #PD9160ALV has built in safety features to protect your RV's electrical system. Such as a reverse polarity protection that will protect the converter if the…

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Answer 7

The Progressive Dynamics Inteli-Power RV Converter and Battery Charger part #PD9160ALV as you mentioned does not come with the smart system aka Charge Wizard. The smart system is for non-lithium batteries and is essentially a system that adjusts…

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Answer 8

Actually the Progressive Dynamics Inteli-Power RV Converter and Battery Charger #PD9160ALV that you referenced has a built in charge wizard and does not need an additional one installed/used.

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Answer 9

The Best Progressive Dynamics equivalent to your WF-8955 converter is going to be the Progressive Dynamics Inteli-Power RV Converter and Battery Charger for lithium batteries #PD9160ALV. It has the same input and output as your previous model but has…

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Answer 10

The Progressive Dynamics Inteli-Power RV Converter and Battery Charger - Lithium - 12V - 60 Amps #PD9160ALV has the 2-stage charging feature you're asking about. The voltage drops to a lover voltage rating (13.6V) once the battery is fully…

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Answer 11

You are good-to-go. The Progressive Dynamics Inteli-Power RV Converter and Battery Charger, #PD9160A that you currently have can be directly replaced with the #PD9160ALV model that is designed with lithium chemistry charging profiles. Each of these…

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Answer 12

The Progressive Dynamics Inteli-Power RV Converter and Battery Charger #PD9160ALV is a 60 amp charger so it would do a great job bringing a totally discharged battery back to life. One trick I have found that works really well is if a charger…

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Can Lithium Batteries be Connected to 12 Volt Charge Wire of Vehicle Alternator

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