This presentation answers the frequently asked questions on VRLA Gel batteries and will give a good overview to the readers.

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FAQS ON
VRLA GEL BATTERIES

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FAQs on VRLA Gel Batteries
Q. Why are VRLA Gel batteries so called?
VRLA Gel batteries are so called because they are VRLA (which is what makes
them maintenance free) and they use gel.
Q. What does Gel or T Gel stand for?
A. Gel or T Gel stands for thixotropic gel. Gel batteries or T Gel batteries are the
same as VRLA Gel batteries. They are one and the same.
VRLA Gel batteries use a composite separator made of a glass mat bonded to a
porous polyethylene or polyvinylchloride sheet. The batteries are then filled with
a thixotropic gel mixed with sulphuric acid.

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FAQs on VRLA Gel Batteries
Q. What are advantages of VRLA Gel batteries?
A. The advantages of VRLA Gel batteries are:
• Perform better than VRLA AGM batteries in regular deep discharge (>80%
DOD) applications
• Perform better than VRLA AGM batteries in low power applications

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FAQs on VRLA Gel Batteries
Q. What are disadvantages of VRLA Gel batteries?
A. The disadvantages of VRLA Gel batteries are:
• Higher self-discharge rate compared to VRLA AGM batteries
• Don’t perform as well as flooded or VRLA AGM batteries in cold temperatures
(<40° F)
• Don’t perform as well as flooded or VRLA AGM batteries when they regularly
reach a shallow depth of discharge (<20% DOD)
• More expensive than flooded and VRLA AGM batteries

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FAQs on VRLA Gel Batteries
Thank you!