Best Battery Powered Wire Crimper (2026): 4 Picks

Compared on paper

Specifications are manufacturer rated, as published on each listing and collected 5 November 2026. Where a listing contradicts itself, both figures are shown.

How scoring works

Each crimper is scored on performance, build, value, safety and warranty, with the weights published on the How We Pick page. None states a UL, ETL or CSA listing, so all score zero on safety, and only one gives a clear warranty term.

Scores run from 9.2 to 9.8: each product’s point total is placed on that range, so more points always means a higher score.

What the listings tell you

This roundup covers 4 wire crimper listings. 3 run on batteries and 1 is a manual hammer tool. Only 1 stated a warranty with a clear term, and none stated a UL, ETL or CSA listing. 2 stated a battery capacity. The Growlush is the only pick with 2 batteries in the box.

Buying guide: the best battery powered wire crimper for your garage

Crimp range: AWG and MCM

Start from the largest lug you crimp. The Growlush covers 6 AWG to 750 MCM, which spans battery lugs through heavy industrial terminals. The AMZCNC covers 0.5 to 50 mm², or 20AWG to 0AWG, which suits ferrule terminals and smaller cable ends. The TEMCo covers 8 AWG to 4/0 for battery and welding cables, and the Solsop covers AWG 10, 8, 6, 4, 2 and 1/0. A range that stops short of your largest lug leaves that job undone.

Dies and crimp profile

Dies decide which terminals a crimper fits. The Growlush includes 14 interchangeable dies and presses a hexagonal crimp, which the listing links to 360-degree uniform compression on copper and aluminum lugs. The AMZCNC includes 7 pairs of dies for ferrule, insulated and non-insulated terminals, plus cable end sleeves. The TEMCo presses an indent crimp with no die set stated, and the Solsop lists no dies at all, so those two suit a fixed lug size rather than a mixed drawer of terminals. A die set that covers the terminal types on hand beats a bigger set that misses one.

Battery and weight

Battery power trades weight for speed. The Growlush runs on 18V with two 4.0Ah batteries and a rapid charger, and the whole kit weighs about 15 lb, so it stays near the bench rather than riding in a pocket. The AMZCNC runs on a 2.0Ah battery and suits smaller terminals and lighter work. The TEMCo needs no battery at all, since a sledge hammer or a shop vise does the pressing, and it weighs 1.5 lb. A second battery in the box, as on the Growlush, keeps a long crimping session going while the first charges.

Warranty and after-sales

Only the TEMCo states a clear warranty term: a 1 year free return and a 5 year void-free warranty. The Growlush offers after-sales service within 18 months, which is a contact window rather than a warranty term. The AMZCNC and the Solsop state no warranty term, so keep the receipt and check the return terms on the listing before ordering.

Garage Fit Check

• The Growlush kit weighs about 15 lb, so keep a shelf spot near the bench; the TEMCo weighs 1.5 lb and mounts on the workbench.
• Charge both Growlush 4.0Ah batteries before a big job; the AMZCNC runs on a 2.0Ah battery.
• Check the die range against the lugs on hand: the Growlush covers 6 AWG to 750 MCM, the AMZCNC 0.5 to 50 mm².
• The TEMCo needs a 2 to 4 lb sledge hammer or a shop vise, so keep one nearby.
• The Solsop box lists 62PCS copper lugs and heat shrink tubing; check the contents, since the listing gives no other details.

FAQ: garage tools

What size wire crimper do I need for battery cables?

Match the crimper to the largest lug you crimp: the TEMCo covers 8 AWG to 4/0, the Growlush 6 AWG to 750 MCM and the Solsop AWG 10 to 1/0. Battery cables usually sit in that range, so check the lug size stamped on the cable end before choosing.

Are battery powered wire crimpers better than manual ones?

Battery hydraulic crimpers press with even force and retract on their own, which suits repeat crimps on large lugs. A manual hammer crimper needs a 2 to 4 lb sledge hammer or a shop vise for every crimp, so it suits a few lugs now and then rather than a full day of crimping. The Growlush retracts its piston on its own once the crimp cycle finishes, which saves a step on every crimp.

What is a hex crimp?

A hex crimp presses the lug into a hexagonal shape with 360-degree uniform compression, which the Growlush listing links to better contact on copper and aluminum lugs. The TEMCo makes an indent crimp instead, pressing a single dent into the lug.

Do wire crimpers come with dies?

Two picks here do: the Growlush includes 14 dies and the AMZCNC 7 pairs of dies. The TEMCo has no die set stated, and the Solsop lists no dies, so check the box contents on those two before ordering.

Related: the best wire loom kit, the best wire stripper kit, the best automatic wire stripper and the best spade connector for 10 gauge wire. Also see true RMS vs non true RMS multimeter and our diagnostics and electrical hub.