How Long Can A Maintenance Free Battery Last?

by | Last updated on January 24, 2024

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Sealed lead acid batteries can have a design life of anywhere from

3 – 5 years all the way up to 12+ years

depending on the manufacturing process of the .

Can you maintain a maintenance free battery?


Although the inside of a maintenance-free battery cannot be physically cared for, the outside certainly can

. Try following these steps to ensure that the exterior of the battery is in top shape, and you can extend its life: Protect yourself. Before you start, put on a pair of gloves and wear eye protection.

When should I replace my maintenance free battery?

So the rule of thumb is simple for battery replacement: You have

approximately four years

before the battery will theoretically begin its slide from chemical powerhouse to chemical paperweight. At the four-year mark, start watching for symptoms (which we'll discuss in a bit) and be prepared to take action.

How do you revive a maintenance free battery?

Does maintenance free battery need water?


Adding distilled water is still required for maintenance free battery

in order to optimize its life span. Tip: Though using ‘maintenance free' batteries maybe convenient, but it's definitely not as economical as a normal car battery as it tends to fail earlier.

Are maintenance free batteries lead-acid?


Maintenance Free' is an unfortunate label for an automotive lead acid battery

as all batteries require some maintenance (keeping the battery top clean, keeping attached cables tight and clean, keeping the battery charged or re-charged as soon as possible following a significant discharge etc.

How long do AA batteries last?

On average, AA batteries last for about

5-10 years

, but it still depends on the different key factors discussed here. So, do not wonder if your AA cells last even longer than the range mentioned here or even if they run out of power before 5 years.

Can a dead lead acid battery be restored?

Essentially, every lead acid battery works the same way. They are also prone to the same type of degradation of the inner battery plates called sulphation. A sulfated battery is the most common malady of a dead battery, but

as long as an used lead acid battery is mechanically sound, a sulfated battery can be revived

.

Can sealed lead-acid batteries be reconditioned?


Battery reconditioning can be done on both a flooded lead acid or sealed battery

.

How long does it take to Desulfate a battery?

Depending on the size of the battery, the desulfation process can take from

48 hours to weeks

to complete. During this period the battery is also trickle charged to continue reducing the amount of lead sulfur in solution.

How long will a sealed lead acid battery last?

Sealed lead acid batteries can have a design life of anywhere from

3 – 5 years all the way up to 12+ years

depending on the manufacturing process of the battery.

What is the advantage of free maintenance sealed battery?

Sealed rechargeable batteries contain enough liquid that the electrolyte in them can move freely, but not so much liquid that you have to be concerned about leaking and evaporation. These kinds of batteries are usually

much easier to deal with

. In fact, they are commonly referred to as maintenance-free batteries.

Do batteries expire?

Unfortunately, yes.

All batteries have an expiration date mentioned on the packaging and on the cell itself

. The battery may still work after that date, but with minor performance.

Do batteries have a shelf life?

According to most manufacturers,

shelf life is 5-10 years when stored at room temperature

. There is no cycle life for alkaline batteries since they aren't rechargeable. Charging alkaline batteries is unsafe, and is not recommended by most professionals in the industry.

What brand of AA battery lasts the longest?


Energizer Ultimate Lithium

: The longest-lasting AA battery

That's one impressive performance and, with a 20-year storage lifespan and the ability to work in temperatures from -40°C to 60°C, they won't let you down.

Can a completely dead battery be recharged?


It is possible to recharge a dead battery

, and depending upon the situation you are in, a dead battery is generally an easy fix, whether you are stuck in your garage and can handle it yourself or you are in the middle of nowhere and need professional, quick, and efficient service in the blink of an eye.

How do you maintain a sealed lead acid battery?

  1. Recharge your battery after each use.
  2. Always store your battery fully charged.
  3. Disconnect the charger immediately once the battery is fully charged.
  4. When storing an SLA battery, be sure to keep it in a cool, dry place.
  5. Do not store an SLA battery in a discharged state.

What is an unsealed battery?

An unsealed battery is

one where there is liquid flowing freely in the battery

, which also facilitates the easy flow of electrolytes.

David Evans
Author
David Evans
David is a seasoned automotive enthusiast. He is a graduate of Mechanical Engineering and has a passion for all things related to cars and vehicles. With his extensive knowledge of cars and other vehicles, David is an authority in the industry.