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Old 12-30-2013, 03:16 PM   #1
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Battery Terminals

I'm still using the old OEM "clamping bolt" style battery terminals.

Has anyone tried any of the new style terminal connectors, crimp style?
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Old 12-30-2013, 03:25 PM   #2
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Old 12-30-2013, 04:03 PM   #3
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I wish. . . At coffee this morning, one of my friends was chatting with a man at another table who owns a local trucking company.

He mentioned he took delivery of a new (truck) tractor and the battery terminals were clamp style instead of the lead pinch/bolt style, post and wing nut. I haven't seen anything new, but my style terminals are 40 plus year old technology. Just wondering if there was something new and better out there?
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Old 12-30-2013, 04:10 PM   #4
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Originally Posted by Edelweiss View Post
I'm still using the old OEM "clamping bolt" style battery terminals. Has anyone tried any of the new style terminal connectors, crimp style?
We just had to make a cable because one wasn't long enough with our new style battery posts. We did it at west marine, used one of those crumpets that you use a sledge hammer. Worked great!
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Old 12-30-2013, 04:15 PM   #5
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I like these. Best Place to buy Military Battery Terminals - Expedition Portal

I stole this fromm FF on a previous "Battery Terminal" discussion
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Old 12-30-2013, 04:23 PM   #6
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I like these. Best Place to buy Military Battery Terminals - Expedition Portal I stole this fromm FF on a previous "Battery Terminal" discussion
Those are for round posts which is not optimal for marine because they could vibrate off and arc which creates resistance. We had those style and had to buy the batteries with blades, luckily they used round post to bolt on stud converter, so we didn't have to break out the crimpers and battery cable.
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Old 12-30-2013, 04:37 PM   #7
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We just had to make a cable because one wasn't long enough with our new style battery posts. We did it at west marine, used one of those crumpets that you use a sledge hammer. Worked great!
If you have a bunch more to do, Harbor Freight carries a big crimper for $50 that seems to do a better clamping job than the West one. But by the time you buy all the parts and the tools you might find it cheaper to order pre-made cables online.
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Old 12-30-2013, 04:42 PM   #8
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If you have a bunch more to do, Harbor Freight carries a big crimper for $50 that seems to do a better clamping job than the West one. But by the time you buy all the parts and the tools you might find it cheaper to order pre-made cables online.
True, we only needed one about 15"'s long, but big at 3/0.
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Old 12-30-2013, 05:43 PM   #9
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If you have a bunch more to do, Harbor Freight carries a big crimper for $50 that seems to do a better clamping job than the West one. But by the time you buy all the parts and the tools you might find it cheaper to order pre-made cables online.
I agree Sunset. If you are doing a lot of wiring chages you can't beat having your own hydraulic crimper. Mine has paid for itself ten fold already.
8 Ton Hydraulic Wire Terminal Crimper Battery Cable Lug Crimping Tool 9 Dies | eBay
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Old 12-30-2013, 05:57 PM   #10
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All this crimping is great but don't forget the good quality heat shrink.
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Old 12-30-2013, 05:59 PM   #11
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I agree Sunset. If you are doing a lot of wiring chages you can't beat having your own hydraulic crimper. Mine has paid for itself ten fold already. 8 Ton Hydraulic Wire Terminal Crimper Battery Cable Lug Crimping Tool 9 Dies | eBay
I have similar but non hydraulic crimper, actually two. One is for 2-6 awg and the other is for up to 4/0

I don't know how anybody gets by without them for any serious electrical work.
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Old 12-31-2013, 08:27 AM   #12
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I will only have the basic battery-room cabling requiring big-time crimping. I did get a decent crimper for the smaller wires. When I'm done measuring in there I will have to decide whether pre-made cables (24, 36, 72) will get the job done or whether I need custom lengths and a crimper. I already have a large bin of slowly rusting never-used tools for my compressor!
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Old 12-31-2013, 08:52 AM   #13
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Are we talking about the terminals that attach to the battery or how to attach them to the cable?

Batteries for marine use should have threaded stud terminals so the correct terminal on the cable should be a ring terminal. And throw away the wingnut that may come on the battery. Use a standard SS hex nut.

For attaching the terminal to the cable, buy your cable and terminals at West Marine and they will let you use their crimper for free. Or order everything from Marine Wiring, Boat Cable and Electrical Genuinedealz.com or similar vendors and they will install the terminals for a nominal fee.
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Old 12-31-2013, 09:38 AM   #14
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Batteries for marine use should have threaded stud terminals so the correct terminal on the cable should be a ring terminal. And throw away the wingnut that may come on the battery. Use a standard SS hex nut.

This is for tiny batteries such as used on an IO boat.

For larger batts ( golf cart, 8-D or L-16 or bigger) the FLAG style terminal is preferred , and for non marine round terminal batts the NAPA military conversion unit comes fairly close to the proper flag terminal in use.

Most commercial battery folks (not boat parts shops) can order what style terminal you prefer , given a bit of notice.

This is frequently the best way to order batts as they will usually come from the same mfg. batch.

>Use a standard SS hex nut.< NOT

The SS nuts should be replaced with copper nuts and washers , esp if a high load is expected. Bow thruster, Windlass , Inverter etc.
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Old 12-31-2013, 02:19 PM   #15
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I agree Sunset. If you are doing a lot of wiring chages you can't beat having your own hydraulic crimper. Mine has paid for itself ten fold already.
8 Ton Hydraulic Wire Terminal Crimper Battery Cable Lug Crimping Tool 9 Dies | eBay
Dave, do you have one of these? If so, how is it holding up? Too bad it doesn't go up to 4/0. It sure is a good price for a crimper.

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Old 12-31-2013, 03:18 PM   #16
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Dave, do you have one of these? If so, how is it holding up? Too bad it doesn't go up to 4/0. It sure is a good price for a crimper.

Ron
Yes, I have one that I have used for all my battery and wiring upgrades over the last two years. Works well, no complaints here. It comes with replacement seals in the kit. Havent had any leaks on mine They sell a 10 ton and 16 ton version on ebay. The 16 ton is about $75 and it will handle 4/0.
http://www.ebay.com/itm/16-Ton-Hydra...item485bd66a94
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Old 12-31-2013, 04:27 PM   #17
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Same one on sale right now at Harbor Freight for $53.

Hydraulic Wire Crimping Tool

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Old 12-31-2013, 06:55 PM   #18
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I went for a really nice one. This was like $250 and works really well. The downside is that at 25" long, it's clumsy in tight spaces, but I just make them in the salon rather than in the ER. I really like it though. I never have to change dyes or anything. It's all built into the "chuck". Still, at $250, I will take it to my grave that it's the best think since sliced bread ;-) Draw your own conclusions, but now I know it will work forever without breaking.

Here is where I learned a LOT about making battery cables: Making Your Own Battery Cables Photo Gallery by Compass Marine at pbase.com
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Old 12-31-2013, 09:50 PM   #19
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Here is where I learned a LOT about making battery cables: Making Your Own Battery Cables Photo Gallery by Compass Marine at pbase.com
Wow, I guess that blows the cheap hydraulic crimper tool out of the water.
Thanks for posting this.
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Old 01-01-2014, 01:07 AM   #20
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Wow, I guess that blows the cheap hydraulic crimper tool out of the water.
Thanks for posting this.
Dave, if you liked the link to PBase Tom provided you'd also likely enjoy this link too. I believe they are the same author.

Musings With Maine Sail - SailboatOwners.com

Both are excellent resources that I refer to often.
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