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Which Battery Works Best to Power Husky Brute Electric Trailer Jack HT87248  

Question:

Hi, a couple questions about the battery used to supply power to electric jack - What kind was used in the Installation video for the Husky HT87248? First time installing/using an electric jack on my EquiSpirit 2-horse trailer. I assume it is a 12v deep-cycle battery? Is that the same as a deep-cycle marine battery? How do I keep the battery charged? What is the life expectancy of the battery? How expensive are they? If I have to keep replacing the battery, Id rather wire to my 7-way plug and use that... Your input is greatly appreciated! Thanks,

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Expert Reply:

I can't say for certain which type of battery our customer had on their trailer when we installed the Husky Brute Electric Trailer Jack # HT87247, but 12V deep cycle batteries are most commonly used on these types of trailers because they are able to produce the most amp hours.

Because there are so many factors that impact how long a 12V battery can last on a trailer application, it makes it nearly impossible to estimate how long one will last before needing to be replaced. For example, trailers that are stored for long periods of time, leaving the battery to die will certainly reduce its longevity. Extremely cold or hot temperatures can also be a factor.

The 12V circuit on a 7-way will only be effective at providing a maintenance charge, however, it will not provide enough current to actually charge a depleted battery. The best way to keep the battery charged is by using a charger/maintener like # 329-GENIUS10 if you have access to shore power, or # PTW2997, which uses solar power to charge and maintain your battery. This will allow you to get the most life out of your battery.

Aside from small breakaway batteries, like # C52023, we do not carry any standard 12V batteries but pricing can vary based on the amp hour rating you choose. From what I found online, you can expect to pay between $100 and $200 on average for a marine/RV 12V deep cycle battery.

As far as internal construction, marine batteries are sort of a hybrid between standard starter car batteries (thinner plates) and deep cycle batteries (fewer but thicker plates) and they are classified as both starting and deep cycle batteries. This allows them to withstand more frequent and deeper discharges. They are also designed to stand up better to road vibration or bumps, making them ideal for RV/trailer use.

I've attached a few helpful articles as well as a video for you to check out at the bottom of the page.

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