Replacement SA1250FO-02 Battery for Hopkins Trailer Breakaway System

Question

Question:

I need a replacement breakaway battery but Im not sure which one I need. My current one is a Hopkins brand 12V5.0AH with the Model number of SA1250FO-02. Do you carry replacements for this one? Thank you.

asked by: Larry R

1

Helpful Expert Reply:

We've got the exact replacement breakaway system battery you're looking for. You'll need the Hopkins # HM20008.

As you can see in the provided photo, the # HM20008 is a direct replacement.

expert reply by: Mike L

1

Replacement Hopkins SA1250FO-02 Breakaway System Batterey
(click to enlarge)

Answer 1

Trailer wiring generally uses 16 gauge wire, part #16-1-1. However, with a long trailer like yours you may want to go with a larger like 14 gauge #DW07550-1 or even 12 gauge #12-1-1. Each size is sold by the foot. You will need to have the lights at…

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Answer 2

To measure for the correct leaf spring length, you should jack up the trailer so that the axle hangs free, then measure straight across from the center of one eye to the center of the other eye. Because springs tend to flatten out as they wear, this…

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Answer 3

Since wire color codes are NOT universal, we always recommend wiring by function, rather than wire color. If you look at the Trailer Wiring FAQ article I have linked you to, you can see some diagrams showing the proper way to wire a vehicle and…

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Answer 4

That's a very good question, we tend to be extra cautious and say to use 10 gauge wire because that would be more than enough. When you get into longer trailers that will end up using a lot of wire the heavier gauge wire becomes more necessary.…

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Answer 5

So it sounds like you are trying to use the Curt Push-To-Test Trailer Breakaway Kit with Built-In Battery Charger #C52044 to charge an auxiliary battery on your enclosed trailer to power lights, and it makes sense that this would not work. This kit…

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Answer 6

A trailer breakaway kit like #34-285 will apply full power to your electric trailer brakes in the event of the vehicle and trailer suddenly being uncoupled. Such kits consist of a breakaway switch and cable, a breakaway battery and a box to contain…

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Answer 7

A breakaway kit can be wired in one of two ways to the trailer brake system. The first way would be to use the Engager Trailer BreakAway Kit with Charger and Tester, item #20099 , and splice off of the power wire that maintains the trailer's…

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Answer 8

The lid of the Junction Box part #3375601101 that you referenced does not have an O-ring or seal built into it. The lid has a pretty deep channel though that fits to the base of the box well enough that it does a decent enough job keeping moisture…

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Answer 9

Yes the Bright Way Trailer Breakaway Kit with Breakaway Switch, 0.5-Amp Charger, 5 Ah Battery, and Wire Loom #3802336 is a great replacement for your current breakaway setup. This kit comes with a breakaway switch, a 0.5 amp charger, a 5-amp hour…

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Answer 10

On a 7-Way connector the suggested minimum wire gauge for the White (ground) wire, the Red or Black (power) wire, and the Blue (brake power) wire is 12 gauge. The minimum wire gauge for the remaining Green (right turn/brake) wire, the Yellow (left…

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Answer 11

If you check out the middle diagram on the picture I attached you'll see the correct 7-way wiring diagram that matches the colors of the wires you have. The wiring colors you mentioned are considered 7-Way RV Standard.

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Answer 12

Most likely the yellow wire on your trailer is what carries the reverse or auxiliary power circuit and would be connected to the center pin of the 7-Way like #PK12706. This would line up with standard 7-Way wiring for a 5th wheel or travel trailer. I…

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Replacement SA1250FO-02 Battery for Hopkins Trailer Breakaway System

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