How to repair a sealed lead acid battery

Written by susan raphael
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How to repair a sealed lead acid battery
(Ablestock.com/AbleStock.com/Getty Images)

A sealed lead acid battery, or SLA, battery refers to a low maintenance, valve controlled battery, that is rechargeable. You may find your SLA batteries no longer take a full charge and run out very quickly after a period of use. Do not throw these batteries away because you can easily repair them yourself. The steps are easy but it will take a lot of waiting time to get the batteries back to form.

Skill level:
Easy

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Things you need

  • SLA battery charger
  • SLA-powered device

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Instructions

  1. 1

    Place the battery into a SLA battery charger and let it charge completely. There should be some sort of indicator on the charger to tell you when the battery is full.

  2. 2

    Remove the battery from the charger and let it rest for 36 hours.

  3. 3

    Replace the battery in the charger and let it fully charge again. Take it out when complete and let it rest for another 36 hours.

  4. 4

    Repeat the charging and resting process two more times.

  5. 5

    Place the battery in a device that accommodates it and let the battery fully discharge.

  6. 6

    Recharge the battery once more until it is fully charged and use as normal.

Tips and warnings

  • Try not to let your SLA batteries run out completely to prolong their lives.

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