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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🔋 Charge smarter, not harder—stay powered and ready to roll!

TRUSTED LEGACY - Schumacher quality you can count on since 1947—durability meets innovation.
EFFORTLESS POWER LINK - Quick-connect harness lets you hook up in seconds—no clamps, no hassle.
REACH THE UNREACHABLE - 18-inch color-coded cables make hard-to-access batteries a breeze.
PLUG PLAY SIMPLICITY - Ring terminals connect easily to battery posts for instant, error-free setup.
PRECISION FIT FOR SMALL CHARGERS - Designed specifically for Schumacher chargers and maintainers under 5 Amps.

The Schumacher WM-12 Cable Connector is a precision-engineered accessory designed for seamless connection to Schumacher battery chargers and maintainers under 5 Amps. Featuring an 18-inch color-coded quick-connect harness, it simplifies charging hard-to-reach batteries on motorcycles, lawn tractors, and power sports vehicles. Built with trusted Schumacher quality since 1947, this lightweight, easy-to-install cable ensures reliable, fuss-free battery maintenance every time.

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Brand	Schumacher Electric
Manufacturer	Schumacher Electric
Model number	WM-12
Colour	Black
Item Weight	22.7 g
Product Dimensions	9.91 x 6.86 x 2.54 cm; 22.68 g
Item model number	WM-12
Item Height	1 Inches
Item Width	2.7 Inches
Cable Interface	Battery Charger/Maintainer Ring Connection Cable
Wattage	1 Watts
Included Components	Cable Connector
Are batteries included?	No

Schumacher WM-12 Cable Connector for Battery Charger/Maintainer

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