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Go Back   SailNet Community > On Board > Gear & Maintenance > Battery Cable Crimper
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Thread: Battery Cable Crimper Reply to Thread
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Topic Review (Newest First)
01-01-2013 06:37 PM
Drumbeater
Re: Battery Cable Crimper

I soldered mine just like above. Remember to slide your heat shrink on the wire before you solder it in case it will not fit over your connector. Just melt the solder into the connector until is full and shove the wire into it. Wait about 30 seconds or so before you release it. I use a steel bench vise to hold the connector vertical so you can fill it up.
01-01-2013 02:06 PM
captrice
Battery Cable Crimper

Buy a small propane torch and some large solder strip your insulation back 1 to 2 inches from your connector place in a vise or vice grips heat the connector apply the solder until it fills the connector. You will not get a better connection.
01-01-2013 05:43 AM
sww914
Re: Battery Cable Crimper

Quote:
Originally Posted by svHyLyte View Post
You might also want to take a look at SWAGE-IT - Swaging Tools and Sleeves. The Swage-It tool works well with battery cable fittings and, of course, has other uses as well.

FWIW...
I bought the Swadge-It for my wire halyards but I've used it more for battery cables. $30.00 or so (IIRC) well spent. Fills the double use rule on a boat perfectly.
01-01-2013 03:18 AM
L124C
Re: Battery Cable Crimper

Quote:
Originally Posted by eherlihy View Post
In my shopping I decided that were I to buy one, I would strongly consider this one for ~$60 from Harbor Freight;
The problem with this tool is that the dies are neither labeled correctly, nor are they to AWG spec. I understand that the "AWG 0" pictured above is actually closer to an AWG 6. Harbor Freight has been told about this numerous times, but continues to sell the under sized dies.
Yeah....Thats a BIG problem! I would stay away from that vendor. I'm no electrician but took one look and thought: "there is no way thats 0 AWG!". The tool looks like junk to me anyway.
12-31-2012 10:16 PM
SloopJonB
Re: Battery Cable Crimper

I have a "bolt cutter" style swaging tool now but in the past I have "crimped" new terminal ends on battery cables simply by putting them in a mechanics vice and cranking it down.

Not the prettiest and certainly not "proper" but they kept on working just fine. Heat shrink tubing pretties them up a lot.
12-31-2012 09:55 PM
Waltthesalt
Re: Battery Cable Crimper

wSince I rarely crimp/swage big wires what I did was to cut and prep the cables on the boat then take them to the West Marine store and used thier swager/crimper to put on the lugs. The crimper sits out there for anyone to use. I bought thier fittings. Worked great. Helps to have the shrink tube on the wire beforehand so you don't have to pull it over the lug afterwards.
12-31-2012 09:08 PM
mitiempo
Re: Battery Cable Crimper

Quote:
Originally Posted by eherlihy View Post
Yup... how'd you do dat?
Opened the pic on my desktop and re-sized smaller before posting it. I use Irfanview and Photoshop as well but any photo program will allow you to do the same re-sizing.

I will second the FTZ crimper @ $159. I bought mine a few years ago at GenuineDealz and have used it for hundreds of crimps since with great results.
12-31-2012 02:57 PM
Maine Sail
Re: Battery Cable Crimper

Quote:
Originally Posted by eherlihy View Post
In my shopping I decided that were I to buy one, I would strongly consider this one for ~$60 from Harbor Freight;
Hydraulic Wire Crimping Tool




The problem with this tool is that the dies are neither labelled correctly, nor are they to AWG spec. I understand that the "AWG 0" pictured above is actually closer to an AWG 6. Harbor Freight has been told about this numerous times, but continues to sell the under sized dies.
While the hydraulic part is a decent price it is an entirely useless tool, with the wrong sized dies. I have seen crimps made with this tool and they are horribly over crimped with "tags" half the size of the lug... You can very easily over crimp or under crimp battery lug connections and over crimping is equally as bad as under crimping. In my opinion it is $60.00 thrown out the window without the proper dies. This is a tool typical of HF quality control.

Personally I'd suggest adding $100.00 to it and buy the FTZ tool and you'll have it for a lifetime. Hell buy it use it and turn around and sell it for $130.00 to another forum member or split it with a buddy.

Battery lugs are no place to skimp on the quality of the connection. Some of these battery banks, especially when we get into AGM's, can throw 20,000+ amps into a short. The last thing you want is a faulty lug crimp..

The FTZ tool is only $159.00 at KL Jack and well worth the expense. I am a strong opponent of "hammer" or "dimple crimps" on battery lugs for marine applications. I much prefer a 360 degree "swage" type crimp.

As a test to compare between my hammer crimper and FTZ tools I made two crimps. One with my Ancor hammer crimper and one with my FTZ lug crimper. Before inserting the stripped wire I filled the very end of each lug with grains of sugar. I then crimped each lug and dropped them into a glass of water.

The "hammer crimped" lug had wet sugar after less than an hour. Water had penetrated the crimp enough to get to the sugar. The FTZ crimp was bone dry when I drilled into it. I then made another FTZ crimp and at six months the FTZ made crimp was still pouring out dry sugar, when I drilled into it..

That is a big difference in how these crimps will survive in a moist marine environment. Hammer/dimple/staking crimps can also "molest" and fracture individual wire strands, not good....

The FTZ tool makes such a well executed crimp that even solder will not penetrate the crimp band area. This tool makes battery lug crimps that exceed Mil Spec, I've load tested them. While the HFT is a neat tool, in concept, it is far from well executed.

If you don't want to buy the proper tool for the job I'd suggest using Genuinedealz. GD uses the FTZ tool as well......
12-31-2012 02:36 PM
eherlihy
Re: Battery Cable Crimper

Yup... how'd you do dat?
12-31-2012 02:08 PM
mitiempo
Re: Battery Cable Crimper

Like this
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