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Battery Crimping Tool with 20PCS Wire Lugs

$48.99 USD $50.98 USD
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Battery Crimping Tool with 20PCS Wire Lugs combines a heavy-duty hex crimper, cable cutter, twenty 1AWG copper lugs with 1/2-inch (M12) stud holes, and adhesive-lined 3:1 heat shrink for secure battery-cable connections. The tool covers AWG 8 through 1/0, while the included lugs are specifically 1AWG/M12.

Kit Specifications
Included Component Specification Quantity Material / Construction Application
Battery cable lug crimper AWG 8, 6, 4, 2, 1 and 1/0; 15 in long 1 High-hardness carbon steel; EDM-cut hex crimping dies Heavy-gauge copper cable lugs
Cable cutter Maximum cable capacity not published 1 Metal cutting blades Clean cable preparation before stripping
Copper wire lugs 1AWG barrel; 1/2 in (M12) stud hole 20PCS Heavy-wall 99.99% pure copper, as published Battery, inverter, marine, RV and solar power connections
Heat shrink tubing 1/2 in diameter × 1.76 in length; 3:1 ratio Included; separate count not published Red/black dual-wall polyolefin with adhesive lining Insulation, strain relief and moisture sealing

Lug media also publishes an overall lug length of 1.84 in (46.8 mm), palm width of 0.75 in (19.1 mm), and barrel length of 0.63 in (16 mm). Confirm that both the 1AWG barrel and M12 stud hole fit the cable and hardware before installation.

Crimping Die Guide
Die Mark Matching Cable Size Included Lug Match Selection Check
8 8 AWG No Use only with an 8 AWG lug barrel
6 6 AWG No Use only with a 6 AWG lug barrel
4 4 AWG No Use only with a 4 AWG lug barrel
2 2 AWG No Use only with a 2 AWG lug barrel
1 1 AWG Yes — 20PCS, M12 Use this die position for the supplied 1AWG lugs
1/0 1/0 AWG No Use only with a 1/0 AWG lug barrel
Applications

Use this kit for high-current battery leads, power inverters, RV and boat wiring, solar battery banks, golf carts, service vehicles and custom heavy-gauge harnesses. The supplied 1AWG/M12 lugs suit connections that require a 1/2-inch stud hole. The crimper can also handle other AWG 8–1/0 lugs purchased separately when their barrel size matches the selected die.

Do not use the supplied lugs on cable other than 1AWG or on studs other than M12/1/2 inch. Do not use the tool for ferrules, open-barrel terminals or connector profiles not designed for hex cable-lug crimping.

How to Choose
  1. Verify the conductor is 1AWG and the terminal stud is M12 or 1/2 inch before using the supplied lugs.
  2. For replacement lugs, match the lug barrel to the cable gauge and choose the corresponding AWG 8–1/0 die mark.
  3. Check that the lug palm, stud hole and barrel dimensions provide adequate clearance for the battery or bus connection.
  4. Use the supplied 3:1 tubing only when it slides over the lug barrel and can recover tightly around the cable insulation.
How to Crimp and Seal
  1. Disconnect all power and remove jewelry before working on battery cables.
  2. Cut the cable square with the included cutter, then strip only enough insulation for the conductor to fill the lug barrel.
  3. Insert the conductor fully into the 1AWG lug and select the die position marked 1.
  4. Center the barrel in the die, keep fingers clear, and close the handles through a complete crimp.
  5. Inspect the crimp and perform a firm pull test. Reject any lug that rotates, slips or shows damaged strands.
  6. Center the heat shrink over the barrel transition and apply controlled, even heat until the tubing recovers and adhesive appears at the edges. Allow it to cool before loading the cable.
Safety & Compatibility
  • Work only on de-energized circuits and protect battery terminals from accidental short circuits.
  • Wear eye protection and keep hands away from the cutter and crimping jaws.
  • Do not use the tool outside AWG 8–1/0 or substitute an incorrect die position.
  • Use the connection only within the cable, lug, equipment and environmental ratings supplied by the system manufacturer.
Frequently Asked Questions

What cable sizes can the crimping tool handle?

The published die range is AWG 8, 6, 4, 2, 1 and 1/0. Match the die mark to the lug barrel and conductor gauge.

What wire lugs are included?

The kit includes 20PCS copper wire lugs sized for 1AWG cable with a 1/2-inch (M12) stud hole.

Does the kit include heat shrink tubing?

Yes. Product media shows red and black 3:1 dual-wall adhesive-lined tubing sized at 1/2 inch diameter by 1.76 inches long. The separate tubing count is not published.

Can I crimp other lug sizes with this tool?

Yes, the tool supports compatible hex-crimp cable lugs from AWG 8 to 1/0, but only 1AWG/M12 lugs are supplied in this bundle. Purchase the correct lug size separately and match it to the die.

How do I know the crimp is secure?

The conductor should be fully seated, the barrel should show a centered hex compression, and the lug should pass a firm pull test without slipping or rotating.

Browse battery and cable crimping tools, compare copper cable lug and ring terminal kits, and review the crimping tool selection guide. For service parts, see the 20PCS battery cable lug kit and browse adhesive-lined heat shrink tubing.
 
 
 
 
Mechanic under open hood using Haisstronica case of heat shrink electrical terminals while repairing automotive wiring
Mechanic using Haisstronica heat shrink wire kit while working on a car engine bay, securing connectors for repairs

FAQ

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You can return any item within 30 days of purchase. If you wish to return a product, you must notify Haisstronica within 7 days of receiving your item. Unfortunately due to logistics, we cannot accept return requests after this period.
All items being returned must be in new and resalable condition.
Refunds will be provided after the items have been received and inspected by Haisstronica. A 10% stocking fee will be deducted from the total amount.
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Infographic of wiring connectors kit applications, covering solar arrays, boats, string lights, car batteries and panels
  • Keep it organized: The durable portable toolbox will not break during movement; ensure that the various connectors do not interfere with each other and are neat and orderly.
  • High Quality Connectors: The heat-shrinkable insulation is flexible and won't break, pure copper conducts electricity strongly, and the adhesive melts at the proper temperature and wraps the wires tightly to achieve a waterproof connection. Can be used in professional wire connection procedures.
  • Buyer Confidence: We stand behind the quality of our products. If for any reason you are not satisfied with your purchase, please contact us. We offer a 30-day money-back guarantee and a 12-month replacement warranty, giving customers a 100% satisfaction guarantee for risk-free purchases!
Close-up of insulated wire connectors joining red, blue, and yellow wires

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