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“Sealed, non-spillable”. Yeah right: @APCbySchneider batteries do leak. How to clean lead acid battery leaking residue.

Posted by jpluimers on 2015/12/26

I found out the hard way that the so called APC “Sealed, non-spillable” lead acid batteries inside their UPS systems do leak when used normally.

So I head to clean up before the damage would get bigger.

A few links on how to clean:

This is what you need:

  • Gloves
  • Goggles
  • Baking Soda (Sodium bicarbonate, in Dutch Zuiveringszout*)
  • Water
  • Wrench
  • Wire brush
  • Steel wool
  • Soft cloth(s)
  • Petroleum jelly (or in Dutch: vaseline** that is acid and fragrance-free)

Baking soda paste: 3 parts baking soda and 1 part water.

Baking soda solution: 1 parts baking soda in 10 parts water.

* ZuiveringszoutNatriumwaterstofcarbonaat (natriumbicarbonaat, dubbelkoolzure soda): E-nummer E 500 (ii).

In The Netherlands, you can get it expensively as “bakpoeder” ingredient (baking powder) or cheaply as cleaning agent called Zuiveringszout.

** Vaseline usually is petroleum jelly with extra ingredients, be sure to get the pure white one that is acid and fragrance free.


Source: “Sealed, non-spillable”. Yeah right +ApcbySchneider : How do I clean up this …

Follow-up: The details of one of my UPS-es. There is no such thing as leak free lead acid batteries, despite APC saying so…

One Response to ““Sealed, non-spillable”. Yeah right: @APCbySchneider batteries do leak. How to clean lead acid battery leaking residue.”

  1. […] I mentioned in my first post about the leaking, I cleaned the inside with sodium bicarbonate (easily to get – even in The Netherlands […]

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