What is a Gel Battery (VRLA Battery)?

Gel battery also known as VRLA (valve regulated lead-acid) batteries or gel cells, contains acid that has been gelled by the addition of silica gel, turning the acid into a solid mass that looks like gooey Jell-O. They contain less acid than a regular battery. Gel batteries are commonly used in wheelchairs, golf carts and marine applications. There are several advantages to using gel batteries.

Solar Street Light battery - Advantages of Gel (VRLA) Batteries

Gel Battery Advantages / Features:

  • Maintenance Free – Less maintenance means more time for relaxation.
    They are maintenance free. Since the battery system is designed to eliminate the emission of gases, the volume of free electrolyte (battery acid) that could be released is very small. There is therefore no need to check the level of the electrolyte or top off water lost due to electrolysis.

  • Leak-Proof Battery – No leaks mean no rust.
    The VRLA batteries are leak-proof and will not leak even if the container is cracked or broken. In these sealed lead-acid batteries, a glass-mat separator absorbs the electrolyte and holds it between the lead plates. Because the acid electrolyte is held by the absorbent mat, the battery will not leak or spill.

  • Rechargeable with a proper Battery Charger – Using the right charger is required with Gel Cell batteries.
    Gel or VRLA battery requires no maintenance once the charging system has been properly set up. It is finicky when it comes to being recharged, so it is important that the correct battery charger be used on a gel cell battery, otherwise poor performance may result.

  • Additional Safety Gear not Required – Shipping gel cell batteries is simple and safe.
    The gel / VRLA batteries require no additional safety gear to carry on board a ship and no special handling precautions when being shipped since they do not leak, spill or corrode and their contents are completely sealed.

  • Easy Operation in Most Temperatures– Wrap up and enjoy the outdoors without worrying about battery failure.
    The VRLA batteries can operate in a variety of temperatures from very high to very low (between -40 degrees Fahrenheit to 140 degrees Fahrenheit) and may last a bit longer in hot weather applications than other batteries.

  • Worry-Free, Heat and Shock Resistant – They are non-corrosive so there is no worry about sulfuric acid leaking from it.Because plastic cases of VRLA batteries are ruggedly built, these batteries can also withstand vibration, heat and shock.

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Solar Lights Blog - Advantages of Gel (VRLA) Batteries