Can you jumpstart an AGM battery?

Can You Jumpstart an AGM Battery? Exploring the Facts and Best Practices

Automotive batteries play a crucial role in powering the electrical systems of vehicles, and occasionally, they may encounter a situation where they lose their charge. When this happens, a common solution is to jumpstart the battery using another vehicle.

However, if you have an Absorbent Glass Mat (AGM) battery, you may wonder if the same jumpstarting technique applies. In this article, we will delve into the topic of jumpstarting AGM batteries, explore the do’s and don’ts, and provide you with the necessary information to handle such a scenario effectively.

Understanding AGM Batteries:

AGM batteries are a type of valve-regulated lead-acid (VRLA) battery. They are designed with a highly absorbent glass mat separator that holds the electrolyte solution between the lead plates. This construction provides numerous advantages, including improved electrical performance, increased resistance to vibration, and enhanced durability.

AGM batteries are commonly found in modern vehicles, motorcycles, boats, and other applications where a reliable power source is required.

Jumpstarting an AGM Battery:

Jumpstarting an AGM battery follows a similar process to jumpstarting a traditional flooded lead-acid battery. However, it is important to consider a few key points to ensure a safe and effective jumpstart:

  1. Use a Compatible Power Source: When jumpstarting an AGM battery, it is recommended to use a vehicle with a compatible AGM battery or a portable jump starter specifically designed for AGM batteries. These power sources are equipped to deliver the appropriate voltage and current levels required by AGM batteries, minimizing the risk of damage.
  2. Observe Proper Precautions: Prior to jumpstarting any battery, it is crucial to read the vehicle’s owner’s manual and follow the manufacturer’s instructions for both the vehicle and the jump-starting device. Safety precautions, such as wearing protective eyewear and ensuring proper connection, should always be followed.
  3. Correct Connection Procedure: Connect the positive (+) jumper cable to the positive terminal of the discharged AGM battery. Connect the other end of the positive cable to the positive terminal of the donor battery or jump starter. Next, connect the negative (-) cable to the negative terminal of the donor battery or jump starter, and then attach the other end of the negative cable to an unpainted metal surface on the vehicle with the discharged AGM battery, away from the battery itself. This prevents sparks near the battery, reducing the risk of explosion or acid leakage.
  4. Start the Vehicle and Disconnect: Start the vehicle with the charged battery and allow it to run for a few minutes to provide sufficient charging to the AGM battery. Afterward, carefully disconnect the jumper cables in reverse order: negative (-) cable from the vehicle being jump-started, negative (-) cable from the donor vehicle or jump starter, positive (+) cable from the donor vehicle or jump starter, and finally, positive (+) cable from the AGM battery.

Prevention and Maintenance:

Jumpstarting should be viewed as a temporary solution rather than a regular practice. To prevent a dead AGM battery, it is important to keep up with regular maintenance, such as checking the battery’s charge level, cleaning the terminals, and ensuring proper vehicle usage to avoid unnecessary power drainage.

Additionally, investing in a battery charger designed for AGM batteries can be beneficial. These chargers are specifically designed to charge AGM batteries safely and efficiently, helping maintain their longevity.

Jumpstarting an AGM battery is indeed possible, but it requires adherence to proper procedures and safety precautions. Utilizing a compatible power source and following the correct connection sequence will help prevent potential damage and ensure a successful jumpstart. However, it is essential to remember that regular maintenance and proper battery care are key to avoiding dead battery situations. If you are uncertain or uncomfortable with jumpstarting an AGM battery yourself, it is always advisable to seek assistance from a professional.