What is the amperage rating of this lug?

I don't know and couldn't find an amperage rating for these cable lugs. However, they are more than heavy enough to carry the amperage for any application that you would use 4/0 cable for. They are high quality cable lugs and not cheap junk. I have used them for everything from battery cables on my diesel Ford truck to cable ends on my 220V Lincoln welder without a single issue.

Are these copper lugs safe to use for 120v?

Yes. They are certified up to 600 Volts AC at 275 Degrees F.

what size is the opening to fit 2/0 awg wire. Chart says 11.7?? My cable meassures 15.2mm

Even if the chart say for 2/0 wire, I do not believe it can be use in that gane. I will use it in a #2 awg wire where it fits fine. Do not buy this item for a 2/0 wire.

I've got a one time use for these, is there a way to crimp them without a special tool? I hate to buy one and never use it again

could use a pair of pliers or channel locks. But it wont be as secure as using a $13 hammer lug crimper https://www.amazon.com/Mofeez-Hammer-Lug-Crimper-Tool/

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⚡ Power Up Your Connections with Pro-Grade Copper Precision!

EFFORTLESS INSTALLATION - High flare opening and pre-cut shrink tubes speed up wiring jobs—crimp or solder with ease.
VERSATILE APPLICATION RANGE - Perfect for solar panels, marine, automotive, golf carts, and DIY electrical projects—be ready for anything.
HEAVY DUTY CLOSED END DESIGN - Protects batteries and cables from solder leaks and environmental damage for reliable performance.
MAXIMUM CONDUCTIVITY ZERO CORROSION - 100% annealed copper with tinned surface ensures peak current flow and long-lasting durability.
HEAT SHRINK TUBING FOR ULTIMATE PROTECTION - 3:1 dual-wall adhesive tubing seals connections against moisture and wear, rated up to 600V and 325°C.

TKDMR’s 10-pack of 1/0 AWG 3/8" copper battery lugs combines UL-listed heavy-duty construction with premium annealed copper and tinned surfaces for superior conductivity and corrosion resistance. Each lug includes a 3:1 dual-wall heat shrink tube (5 black, 5 red) certified for high voltage and temperature, ensuring moisture-proof, durable connections. Designed for easy crimping or soldering, these tubular ring terminals are ideal for professional and DIY electrical wiring in vehicles, solar setups, marine, and more.

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Yes, all products are sourced directly from authorized retailers in the US, UK, UAE and India. We maintain strict quality control processes and verify each product before shipping. All items come with applicable manufacturer warranties and are covered by our standard return policy.

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Manufacturer	TKDMR
Part number	TK-CWLT000188
Item Weight	180 g
Product Dimensions	12 x 12 x 1.3 cm; 180 g
Size	1/0 Awg - 3/8" (M10) Ring
Color	copper
Material	Copper
Specification met	UL
Batteries Included	No
Batteries Required?	No
Item Dimensions LxWxH	12 x 12 x 1.3 cm

10 x 1/0 AWG-3/8" Battery Lugs, Copper Wire Lugs, UL Listed Heavy Duty Battery Cable Ends, Tubular Ring Terminals, AWG Crimp Wiring Lugs, Battery Terminal Connectors with 3:1 Heat Shrink Tubing

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