Why Does My Schumacher Battery Charger Turn On And Off Repeatedly?

You were trying to charge your battery using the Schumacher battery charger, but it keeps turning on and off. Do you want to know why this happens to your charger? We researched this problem and have the answer for you.

There are two reasons why the Schumacher battery charger may keep on turning on and off:

  • Overheating automatically turns the charger off.
  • A reverse connection or improper connection of cables won't charge the battery.

These two are the most common reasons why a charger is malfunctioning. Would you like to know how to solve these issues? Does your Schumacher show other signs of problems? Continue reading through the post to learn more about your battery charger issues and how to fix them.

Why Does Schumacher Battery Charger Keep On Turning On And Off?

Schumacher battery chargers have a built-in protection system that will automatically turn off once overheated. This protection system is to prevent further damage and accidents. Let it cool down before plugging it back and see if it works.

Another reason the battery charger keeps on turning on and off is the reverse connections, and it won't charge the battery. Try to unplug the charger and reverse them to see if this can solve the issue. If this still won't work, you may need to replace your battery.

Click here to check the Schumacher battery charger on Amazon.

Why Schumacher Battery Charger Blink Yellow Light?

Charging the car battery

The blinking yellow light on the Schumacher charger while connected to the battery means the battery is in ABORT MODE where the battery won't finish charging.

Try to unplug and replug the battery charger four to five times to fix this problem.

Why Does Schumacher Battery Charger Not Recognized?

Why does schumacher battery charger not recognized

There are reasons why the Schumacher battery charger does not recognize the battery:

Fully Drained Battery

The battery won't charge if it's fully drained. One reason why batteries get drained is the cold weather. Leave the charger attached for a while and the charger will recognize the battery if it reaches at least four volts.

Unsecured Clips

 battery charging cables

If the clips are not secure or properly attached to the battery, the charger won't recognize the battery. Try to rock, unplug, and replug the clips to see if this fixes the issue.

Faulty Battery

Mechanic checking car battery

If the charger is on and the battery still won't charge, try to test the charger on another battery. If the other battery works, then the old one is faulty and you need to replace it.

Why Won't Schumacher Battery Charger Turn On?

Check the power source and the breaker first. If confirmed that everything works fine, the Schumacher battery charger could be the problem. You may need to replace the regulator board or replace the charger itself.

Why Does Schumacher Battery Charger Have Clicking Sound?

The clicking sound in the Schumacher battery charger while in use is usual. Let the charger run for about 20 minutes or more.

Ensure that the leads are attached to the correct poles. If they are properly attached, then the issue could be the battery.

Try to connect the charger to another battery and see if it makes the same clicking sound. If it is, the problem could lie with the connection. Try to change the charger connector or cables and see if the clicking sound stops.

Click here to check the cable connector on Amazon.

How To Care For Schumacher Battery Charger?

Keeping the charger in good condition and maintaining it will save you from further trouble. These are the things to keep in mind in taking care of the Schumacher battery charger:

  • Ensure you use the charger in an open, well-ventilated space for air circulation.
  • Make sure that the charger is compatible with the batteries and that you charge in the correct mode.
  • Always refer to the user's manual and follow the instructions on how to use the charger.
  • Schumacher battery chargers can manage 6 volts and 12 volts batteries. Knowing this basic is essential to utilize the charger.
  • Do not use a higher voltage charger than the batteries to avoid damage or an accident. You should know that any battery can explode if you have used the wrong charger voltage.

What Are Different Schumacher Battery Charger Models?

Are you looking for a charger replacement? Schumacher battery chargers have widely available models for agricultural, automotive, marine, motorcycles, power sports, ride-on toys, and solar. Look for a specific charger for your vehicle, battery type, and voltage requirement.

Here are some of the available Schumacher Battery Chargers:

SP1297 12V Fully Automatic Battery Charger And Auto Desulfator

This battery charger delivers 3 Amps and is compatible with lawn tractors, cars, motorcycles, marine batteries, and power sports. It automatically detects 12V batteries. You can use this charger in AGM, Lithium-ion, and deep-cycle batteries.

The charger has a hook attachment for easy hanging wherever you need it. The SP1297 is smart-charging. It has multi-stage charging for safety, precision, and longer battery life.

Click here to check the SP1297 battery charger on Amazon.

SC1353 56V/12V Fully Automatic Battery Companion

SC1353's fully automated battery charger is compatible with marine vehicles, trucks, SUVs, cars, and RVs. Its auto-voltage detection identifies both 6V and 12V batteries.

Click here to check the SC1353 automatic charger on Amazon.

SP1298 12V Fully Automatic Battery Charger

The SP1298 battery charger is compatible with motorcycles, cars, lawns, marine, tractors, and vehicles with lithium batteries. It has a scrolling digital display for instructions and an easy-to-use function.

Click here to check the SP1298 12V battery charger on Amazon.

SC1344 Wireless Smart Charger

SC1344 is a wireless and fully automatic battery charger and auto desulfator.

This charger is compatible with power sports, motorcycles, lawn tractors, and motorcycles. SC1344 is smart-charging, and you can monitor your charging through Schulink's wireless Bluetooth technology.

Click here to check the SC1344 Wireless Smart Charger on Amazon.

SDC371 12V Intelligent Battery Charger

SDC371 intelligent battery charger is a solar charging, compatible with boats, yachts, cars, and RVs.

This charger has three stages of charging: boost mode, float mode, and absorption mode, which allow the unit to charge the battery fully and safely.

Click here to check the intelligent battery charger on Amazon.

SC1586 6V/12V Fully Automatic Battery Charger And Maintainer

This battery charger is compatible with motorcycles, cars, and power sports batteries. You can use it with AGM, standard, gel, or deep-cycle battery types.

The SC1586 is fully automated and detects both 6V and 12V batteries. The charger stops once the battery is charged.

Click here to check the SC1586 battery charger on Amazon.

CR6 6V/12V Universal Charger For Ride-On-toys

CR6 universal charger is specifically for 3 and 4 wheels ride-on-toy batteries, such as Action Wheels, Power Wheels, Kid Trax, Rollplay, Huffy, Razor, Peg Perego, and Dynacraft. This battery is safe and reliable to use for kids.

Click here to check the CR6 universal charger on Amazon.

CR7 6V/12V Universal Charger For Ride-On-Toys

This charger is compatible with Dynacraft, Razor, Huffy, Power Wheels, Tap12V Pulse Performance Products, and more.

This charger has LED indicators and battery charging status. Automatically detects 6V and 12V batteries; safe and reliable to use for kids.

Click here to check the CR7 universal charger on Amazon.

SP-200 2.4W Solar Battery Maintainer

SP-200 is a solar-powered battery charger and maintainer, compatible with cars, motorcycles, snowmobiles, trucks, and boats.

This solar maintainer converts sunlight into power and does not need electricity. It optimizes the battery's health and extends life.

Click here to check the solar battery maintainer on Amazon.

SP-1500 12V Solar Battery Charger With Solar Charge Controller

The SP-1500 provides 12V charge to motorcycle, boat, car, truck, snowmobile, and RV batteries. The solar panel battery is water-resistant.

Place the panel facing upward in an exposed area to sunlight; it works whether it's sunny or cloudy. The package includes an SPC-7A charge controller that avoids overcharging damage.

Click here to check the SP-1500 solar battery charger on Amazon.


Battery charger and car in auto repair shop

Taking care of the battery charger is necessary to prolong its life and avoid inconvenience when you need it the most. Also, ensure that you use a compatible charger for specific batteries to prevent further troubles. Refer to your user's manual to check the compatible charger for your battery.

If you want to find out more about batteries, chargers, and other helpful tips about vehicles, please visit these posts:

How Long To Charge A Car Battery With 12 Volt Charger

Can You Overcharge A Lead Acid Battery?

Should I Disconnect My Car Battery When Changing The Radio?

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One comment

  1. Model 1308
    Turns on and off
    The boys bought this a couple years ago for the Lakehouse, they could never make it work, so I brought it back to the shop to see what I can do, I can’t make it work either

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