Ampper Brass Battery Terminal Connectors, Top Post Battery Terminals Connector Battery Cable Ends for Marine Car Boat RV Vehicles (1 Pair)

This is a decent well made battery clamp made of brass. Most are made of lead. What I like is I use these in a marine and other applications. They are very durable and long lasting, and corrosion resistant. The one thing to be careful is over tightening! They are tight enough when both legs that the bolt go through are parallel and you cannot turn the the clamp on the battery post. Going further you can crack or break one of the legs. The brass is a copper & zinc derivative. Lead clamps on the other hand are forgiving but will start too loosen if over tightened. Lead is a good conductor but not as good as brass and not a good steward to the environment.

Nothing special here. Just a good quality connector for any battery connection. These also come with two circular felt strips to prevent battery terminal corrosion.

Works as should.

Way heavier than I thought they would be, should last a long time. I did notice that the bolt for cable attachment will fall out when the nut is removed, so hold onto it. The clamps are marked P and N but the bolts for squeezing the clamps tight are in the same position, the connectors are exactly the same. One should be in the opposed position so the nut is to outside of the battery post. You can’t switch the bolt around due to the locking tab that prevents the bolt from turning will be in the way. Won’t be a problem if your battery has a flat top but if it has raised one for a venting chamber then you might have a bit of a problem getting the clamp tight.

Purchased these for a top post (obviously) AGM battery I bought to power my winch/jack in my car trailer. The battery uses an A1 post size, and while I couldn't find any specs in the description as to whether they're SAE/JIS (A), DIN (A1), or EN (A2), I can confirm it fits A1.

Good

Very happy would buy again

I had to order a second set. The negative terminal on the first set fractured the first night it dropped below freezing. The terminals are cast brass. I don’t know if the fracture in the casting was there from the start, but it would’ve left me stranded had it not happened at home. Price was cheap enough that it wasn’t a big deal to buy the second set, but I’ll probably replace in the not so distant future.