Schumacher Battery Charger

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All vehicle owners need to have a battery charger in their garage. You can never know when your battery will give up on you. It is always better to be prepared at all times. One of the best battery chargers on the market that keeps you well-prepared is the Schumacher SC1305.

Product Description

The Schumacher SC1305 Battery Charger is not only a good battery charger. It can also double as an engine starter. It has a maximum amperage rating of 50 amperes which should be enough to bring your dead battery back to life. In addition to its jumpstarting capabilities, the SC1305 also comes with a 10-ampere battery boosting feature. It is perfect for adding power to your energy-depleted battery. It also comes with a 6-ampere charging rating and a 2-ampere maintaining rating.

Schumacher Battery Charger

The best part about all of this is that the SC1305 manages the right amperage rating to deliver to your battery. It doesn’t require any effort on your part except for turning the device on and selecting the mode that you want the device to work in. It charges your battery until it reaches its full capacity. From here, the system goes into maintenance mode. It helps preserve the integrity of your battery while maintaining the optimal operation of the device.

An intelligent microprocessor is behind this innovative technology. It keeps track of the type and size of battery that is connected to the device’s charging cables. It then automatically adjusts the power ratings to help save your battery. The system also comes with an automatic desulfation mode. This is perfect for cars that have traditional wet cell batteries. The technology attempts to repair damaged cells by removing Sulfation.

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Another important feature of the Schumacher SC1305 is the float mode monitoring. This helps keep the battery charge at optimal levels. You can store your battery and the SC1305 will make sure that it has enough juice when you put it back in your car.


  • Intelligent microprocessor
  • Float mode monitoring
  • Multiple functions: jumpstarting, boosting, maintaining, and charging
  • Reverse hookup protection
  • Multi-stage charging


  • Small enough footprint that will not take too much space
  • Can work as a jump starter
  • Plug-and-play type of interface guarantees effortless charging
  • Unique float mode helps maintain the integrity of the battery


  • Can be very pricey compared to other ‘portable’ battery chargers
  • Does not come with short circuit and electrical discharge protection
  • Not a true ‘portable’ jump starter because the device requires plugging into an electrical outlet

How To Use

One of the advantages of the Schumacher SC1305 Battery Charger is that it is very easy to use. It has an advanced microprocessor that adjusts the device’s amperage rating depending on your battery. All one needs to do is to hook up the system to the battery and the SC1305 does the rest.

To charge a battery using the SC1305, connect the device’s clamps to the corresponding terminals on the battery. That is, black for negative and red for positive. Set the voltage selector to the correct output voltage that the battery requires. Plug the SC1305 to a suitable electrical outlet and switch it on. The on-board computer of the device will take it from there. It will charge the battery to full. You will also see the charging progress on the device’s large LCD screen. Once 100 percent charged, the device goes into an automatic maintenance mode. This helps protect your battery from getting overcharged and keeps its full charge status.

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If your battery comes with individual cells, make sure to open the tops and fill them with the correct electrolyte solution. Fill them to the right level only. Leave the openings uncapped. The battery charger also comes with an automatic desulfation mode. It will attempt to repair your battery so you can extend its service life.

To jumpstart your car, make sure that both your car and the SC1305 are turned off. Get the jumper cables and connect them in the right place. The red clamp goes to the positive battery terminal while the black clamp goes to a clean and unpainted metal surface in the car’s frame. Plug the SC1305 into an electrical outlet. Turn the jump starter on. Crank your engine. If it doesn’t start after 5 seconds, wait at least 3 minutes before giving it another try. If the engine fails to turn over after 4 or 5 tries, you have to replace your battery.

Once you get your engine started, turn off the Schumacher SC1305. Remove the black cable before the red one. Let your engine run for 15 minutes. Keep in mind that the Engine Start feature of the SC1305 only works as long as you have access to an electrical outlet.


How can I select the desulfation modes and charger profiles for the Schumacher Battery Charger?

A: The Schumacher Battery Charger automatically selects the desulfation mode and charger profile based on the type and size of the battery. You don’t need to dial in any other setting as the device already does everything for you.

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Is it possible to use this to charge a 6-volt battery for my lawn tractor?

A: This device can only recharge 12-volt batteries that have rated capacities of between 22 and 59 Ah. These include both AGM and STD lead-acid batteries as well as gel cell and deep cycle types of batteries.

How long is the Schumacher SC1305’s power cord?

A: Both the power cord and the charging cables of the Schumacher SC1305 are 6 feet in length.

My battery is not charging after connecting the device. What’s wrong?

A: The SC1305 comes with a built-in safety feature. It will not work if you connect the charging cables to the wrong battery terminals. If the unit still does not charge the battery after ensuring the correct placement of the cables, you can ask the assistance of Schumacher Electric.

Can I use it outdoors?

A: As long as you have access to an electrical outlet, you can use the device outdoors. Keep in mind that it doesn’t have a built-in battery that can provide power to the device. It still relies on AC power.

Originally posted 2023-09-06 11:52:58.

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