how many amps is this rated for and how long is it rated for

It is rated at 5 amps continuous. It is designed to be used with a trickle charger which charges at no more than 3 amps - 12 volts. I am sure that it could handle more up to the capacity of the connector and or wires however I do not know what that would be. It is a very well made device. From your question it sounds like you plan another use for it so common sense comes into play. Good luck on your project. Harold

does this connector have a typical cap or cover over thr ends to protect from dirt/water etc?

Yes, it has a plastic cap/cover to protect the connectors... at least mine does.

Red goes to positive and does the black go to negative or it should be grounded?

Red to positive and black to negative simply because the cable fitting has a convenient bolt to securely attach it to . (Battery is grounded anyway)

will the eyelets fit the larger screws on rv gel batteries

The eyelets will not fit the terminal screw post on a regular size battery. However, they are easily changed and the effort is well worth it. I have three Interstate deep cycle batteries on my fishing pontoon and one of these units on each battery. Each battery has its own battery box. When it is charging time, just plug the charger into this pig tail and charge. No removing the batter box lid to get to the battery terminals. Great little piece of equipment. Highly recommend Big Spoodie

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⚡ Stay charged, stay ready — power your ride with ease!

COLOR CODED CLARITY - Instant cable ID for foolproof setup
COMPACT 18 INCH REACH - Ideal length for tight battery spaces
DURABLE LIGHTWEIGHT - Built tough at just 0.8 oz for on-the-go reliability
PRECISION COMPATIBILITY - Designed exclusively for Schumacher ≤5A chargers
EFFORTLESS QUICK CONNECT - Snap in and power up without hassle

The Schumacher WM-12 Quick-Connect Ring Connection Cable is a lightweight, 18-inch accessory engineered for seamless connection to Schumacher battery chargers and maintainers rated 5 Amps and under. Perfect for motorcycles, lawn tractors, and power sport batteries, it features color-coded cables for easy identification and a durable ring terminal design to keep your battery charged and maintained effortlessly.

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Manufacturer	Schumacher
Brand	Schumacher Electric
Model	Schumacher WM-12 Ring Connection Cable for Battery Chargers and Maintainers
Item Weight	0.8 ounces
Product Dimensions	3.9 x 2.7 x 1 inches
Country of Origin	China
Item model number	WM-12
Is Discontinued By Manufacturer	No
Manufacturer Part Number	WM-12

Schumacher Electric 18-Inch Ring Connection Cable, for Car Battery Chargers and Maintainers, Quick Connect, for Motorcycle, Power Sport, and Lawn Tractor Batteries, WM-12

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