The Battery Charging Stages - Defined. What are 3-stage, 6-stage, & 9-stage battery chargers? Let's find out!

The Battery Charging Stages - Defined. What are 3-stage, 6-stage, & 9-stage battery chargers? Let's find out!

Justin G% -m /% e /% y

We've just launched 4 new battery chargers; these chargers feature all of the latest technology and can charge nearly any battery type (model dependent)!

wagan tech battery charger

Our smallest battery charger, the 1.5A Intelligent Battery Charger (#7402) is capable of charging and maintaining most standard 12V SLA or lead-acid type batteries. This charger is a 3-stage charger defined by these stages:

3- Stage Charging:
Bulk Charge, Absorption Charge, and Maintenance Charge

1 - Bulk Charging is the first stage in which the charger identifies the battery and its needs, then applies a high voltage/amperage charge to do the bulk of the charging.

2 - Absorption Charging is when the battery has reached ~80% of its capacity and begins to lower the input current to the battery. This is sometimes known as the "cool-down" cycle.

3 - The third and final cycle is known as the Maintenance Charge (also known as "trickle" or "Float" charge). In this stage, the battery has already reached 95%; the battery charger will continue to apply a steady current until the battery reaches 100% capacity - at that time, the charger will continue to monitor the battery and apply a charge if it detects any loss.

 

 Our 8A & 15A Intelligent Battery Chargers (#7406 & #7407 respectively) both feature 6-Stage Intelligent Charging profiles.

6-Stage Battery Charging:
Soft-Start, Bulk Charging, Absorption, Check (Evaluation), Reconditioning, Maintenance

1 - Soft-Start is used to protect the battery and optimize charging, the Soft Start action is applied - a slow charge current is applied to the battery then ramps up over time.

2 - Bulk Charging is the first stage in which the charger identifies the battery and its needs, then applies a high voltage/amperage charge to do the bulk of the charging.

3 - Absorption Charging is when the battery has reached ~80% of its capacity and begins to lower the input current to the battery. This is sometimes known as the "cool-down" cycle.

4 - Evaluation Diagnostic is the last diagnostic mode to ensure the battery is at its optimal health.

5 - The Reconditioning Cycle helps to desulfate the battery and finalizes the charge.

6 - The final cycle is known as the Maintenance Charge (also known as "trickle" or "Float" charge). In this stage, the battery has already reached 95%; the battery charger will continue to apply a steady current until the battery reaches 100% capacity - at that time, the charger will continue to monitor the battery and apply a charge if it detects any loss.

wagan tech battery charger

The next charger in our new Intelligent Battery Charger Line is the 4.0A Intelligent Battery Charger (#7403) and is capable of charging the same 12V batteries as the 1.5A model, but adds 6V batteries and LiFePo4 (lithium) batteries too! This charger is a 9- Stage Charger that includes these stages:

9- Stage Charging:
 Primary Evaluation (Diagnostic), Recovery, Soft Start, Pulse, Reconditioning, Bulk Charge, Absorption Charge, Evaluation (Diagnostic), and Maintenance Charge.

1 - Primary Evaluation is the first stage in which the charger runs a diagnostic test on the battery's condition, charge, and overall health.

2 - Recovery charge is the second stage where the charger will begin to restore a deeply discharged battery. This step is skipped if the battery does not require it.

3 - To protect the battery and optimize charging, the Soft Start action is applied - a slow charge current is applied to the battery then ramps up.

4 - The Pulse Cycle is initiated to help "knock off" sulfation build-up on the plates that may be inhibiting the battery's ability to reach full capacity.

5 - The Reconditioning Cycle helps to prepare the battery for bulk charging and finalizes the recovery charge.

6 - Bulk Charging is the first stage in which the charger identifies the battery and its needs, then applies a high voltage/amperage charge to do the bulk of the charging.

7 - Absorption Charging is when the battery has reached ~80% of its capacity and begins to lower the input current to the battery. This is sometimes known as the "cool-down" cycle.

8 - Evaluation Diagnostic is the last diagnostic mode to ensure the battery is at its optimal health.

9 - The final cycle is known as the Maintenance Charge (also known as "trickle" or "Float" charge). In this stage, the battery has already reached 95%; the battery charger will continue to apply a steady current until the battery reaches 100% capacity - at that time, the charger will continue to monitor the battery and apply a charge if it detects any loss.

8.0A Intelligent Battery Charger (#7406)

Feeling confused or Overwhelmed right now? Don't Be!

I know there is a lot of information in this blog that may be difficult to digest right now; have no fear, the easy answer is here!

If you're simply looking for a charger to maintain your 12V vehicle (motorcycle, RV, ATV, SxS, Dirtbike, Car, Van, Truck, Etc.) then all you need is the 1.5A Intelligent Battery Charger (#7402)

If you're having trouble starting your vehicle with a "bad" battery or want to charge a battery that is a few years old, then the 4.0A Intelligent Battery Charger (#7403) is an excellent choice as it not only charges, but reconditions the battery.

If you're still in over your head, call or email us and we'd be glad to help!

To see all of our Battery Chargers - Click Here!

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