Why Choose Us
Wide Product Range
Our main products cover AGM VRLA batteries, GEL batteries, OPzV/OPzS batteries, font terminal batteries, 2V long-life batteries, lead carbon batteries, lithium batteries, Car batteries, etc.
Quality Guaranteed
Shimastu strictly works on quality control of all production steps, ensuring all the products a reliable performance and high quality, and the company has been certified with ISO 9001, ISO 14001, UL and CE, etc.
Wide Applications
Shimastu has been exporting to worldwide clients serving in the energy storage and power backup industry such as UPS/EPS, solar power systems, security systems, emergency lighting systems, telecom systems, data centers, etc.
High Quality Service
We specialize in research and development, manufacturing, sales, and marketing of full categories of batteries. We are committed to providing a high level of customer service, and 24/7 customer support, so all your problems can be responded to quickly.
A gel battery is a valve regulated, maintenance free, lead acid battery. Gel batteries are extremely robust and versatile. These type of batteries produce few fumes and can be used in places without much ventilation. The gel-like electrolyte is obtained by mixing sulphuric acid with silica to allow it to stiffen and become more viscous than liquid. Gel batteries are adequately designed to solve some problems you would encounter while using the popular wet lead-acid batteries.
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.
Application of GEL Batteries
UPS (Uninterruptible Power Supply) Systems
GEL batteries are commonly used in UPS systems to provide backup power during power failures or power surges. They ensure continuous power supply to critical loads, such as computers, servers, and telecommunications equipment.
Renewable Energy Systems
GEL batteries are widely used in solar and wind energy systems to store energy generated during daylight hours or windy conditions for use when the renewable energy sources are not available.
Telecommunications
GEL batteries are used in telecommunications towers and base stations to provide backup power for equipment such as radios, antennas, and transceivers. They ensure continuous communication services during power failures.
Marine Applications
GEL batteries are popular in marine applications due to their spill-proof design and ability to handle vibration. They are used to power boats, yachts, and other marine vessels, as well as onboard equipment such as navigation systems and fish finders.
Electric Vehicles
GEL batteries are sometimes used in electric vehicles, such as golf carts, forklifts, and electric scooters. They provide a reliable power source for these vehicles and offer longer runtime compared to some other battery types.
Security Systems
GEL batteries are used in security systems, including surveillance cameras, alarm systems, and access control systems. They provide backup power to ensure continuous monitoring and security during power failures.
Components of GEL Batteries
Positive and Negative Plates
GEL batteries have positive and negative plates made of lead-based alloys. These plates are coated with active materials that participate in the electrochemical reactions during charge and discharge.
Electrolyte
Unlike traditional flooded lead-acid batteries, GEL batteries use a gelled electrolyte. The electrolyte is composed of sulfuric acid mixed with a gelling agent, such as silica or fumed silica. This gelled electrolyte provides the necessary ionic conductivity for the battery to operate while maintaining a solid-like consistency that prevents leakage.
Separator
A separator is placed between the positive and negative plates to prevent direct contact and short-circuiting. The separator also serves as a barrier for the electrolyte, allowing it to diffuse but not flow freely between the plates. GEL batteries typically use a fiberglass or polypropylene separator.
Battery Case
The battery case is made of plastic or rubberized material that holds the plates, electrolyte, and separator. It also serves as a container for the battery, protecting the internal components and preventing leakage.
Terminals and Posts
GEL batteries have terminals or posts that connect the battery to the external circuit. These terminals are made of lead or lead alloys and are designed to accept cables or clamps for easy connection.
How Does a GEL Battery Work?
A gel battery sometimes called a gel cell battery, is a valve-regulated lead-acid (VLRA) battery. The battery components are gel-like electrolytes and sulphuric acid, which are combined with silica fumes. The presence of silica in the gel battery causes a chemical reaction to take place, resulting in the formation of the stationary gel-like substance from which the battery earns its name.
Gel batteries are made with flat or tubular positive plates. These batteries use the immobile gel mass in utilizing electrolytes and sulphuric acid in the same way as a typical lead-acid battery. Gel batteries have a one-way system of open valves that permit the gases within to recombine with water. This makes them require zero maintenance as there is no need to check for water level on the top.
These batteries are very versatile and produce very little gas or fumes. As a result, they can be safely installed in places with limited ventilation, such as residential homes.
These days AGM batteries are often mistaken as Gel batteries due to their numerous similarities.
- Both are recombinant – Meaning that the oxygen produced on positive plate is absorbed by the negative plate. Now instead of producing hydrogen, the negative plate produces water, thus maintaining the water content in the battery. This is the reason why AGM and Gel batteries are valve regulated, sealed, spill proof, maintenance free, resistant to vibration and can be installed in any position.
- The striking difference between the two is that of the electrolyte. Electrolyte being used in Gel batteries has a look of jelly whereas the AGM batteries have electrolyte absorbed in glass mat like separators. Due to the properties of electrolyte used in gel batteries the battery loses power fast at temperatures below 32 degree F whereas AGM batteries work efficiently in cold temperatures.
- Finally, gel batteries are best suited for deep discharge as they are more acid starved, protecting plates better compared to AGM batteries. The AGMs are more compatible where high current is required.
Differences Between Dry Batteries and Gel Batteries
Construction
The fundamental difference between dry batteries and gel batteries lies in their construction. Dry batteries consist of disposable cells, making them non-rechargeable and requiring replacement once their energy is depleted. On the other hand, gel batteries are rechargeable and designed for long-term use.
Electrolyte
Dry batteries utilize a paste electrolyte that facilitates the chemical reactions inside the cell but prevents recharging. In contrast, gel batteries use a gel-like electrolyte, which immobilizes the electrolyte, making it spill-proof and safe for various applications.
Maintenance
Dry batteries require minimal maintenance, as they are discarded after use. In contrast, gel batteries need periodic maintenance, such as equalization charging and cleaning of terminals, to ensure their optimal performance and lifespan.
How to Choose the Right GEL Battery?
Determine your power requirements
Calculate the power requirements of your application, including the voltage and current required to operate your device or equipment. This will help you determine the capacity (Ah) and voltage rating of the gel battery you need. If gel batteries cannot meet your needs, lithium batteries can be considered. As a top bess manufacturer, Grevault has many products to choose from.
Consider space and size constraints
Measure the space available to install the gel battery to ensure it fits correctly. Consider the size and shape of the battery, especially if space is limited.
Assess operating conditions
Evaluate the environmental conditions in which gel batteries operate. Consider factors such as temperature range, humidity, and vibration levels. Choose a gel battery that can withstand these conditions to ensure reliable performance.
Check cycle life and durability
Determine the life expectancy of a gel battery by checking its cycle life rating. The higher the battery life cycle, the longer the battery can withstand repeated charge and discharge cycles. Additionally, consider the battery's durability and construction quality to ensure it can withstand heavy use and environmental stress.
How to Extend the Life of Your Gel Battery?
To extend the life of your gel battery, you can follow these guidelines:
Proper Installation
Ensure that the battery is installed correctly and securely. Loose connections or improper installation can lead to corrosion and damage, shortening the battery's lifespan.
Regular Maintenance
Check the battery regularly to ensure it's in good condition. This includes checking for any cracks, leaks, or corrosion on the battery case or terminals. If any issues are found, address them promptly.
Maintain the Correct Electrolyte Level
Gel batteries require periodic topping up with electrolyte solution to maintain the correct level. Ensure you use the recommended electrolyte and follow the manufacturer's instructions for topping up.
Avoid Deep Discharges
Gel batteries are designed to be discharged and recharged, but frequent deep discharges can shorten their lifespan. Avoid draining the battery below 20% of its capacity whenever possible.
Keep the Battery Charged
If the battery is left discharged for extended periods, it can sulfate, leading to permanent damage. Make sure to keep the battery charged and maintain it on a float charge when not in use.
Operate Within Temperature Limits
Gel batteries have optimal temperature ranges for operation. Ensure the battery is operated within the recommended temperature range to avoid damage caused by excessive heat or cold.
Use the Correct Charging Equipment
Use a charger designed for gel batteries. Charging with the wrong equipment can damage the battery.
Perform Periodic Equalization Charges
Gel batteries benefit from periodic equalization charges, which help balance the charge levels of individual cells within the battery. Follow the manufacturer's recommendations for performing equalization charges.
Store Correctly
If the battery is not in use for extended periods, store it in a cool, dry, and well-ventilated place. Avoid storing it in direct sunlight or damp conditions.
Reviving a "dead" GEL battery, or any type of lead-acid battery, can be challenging, as batteries can lose their charge capacity over time due to sulfation, aging, or other factors. However, there are a few steps you can take to attempt to revive a GEL battery.
Charge the Battery
If the battery is completely discharged, the first step is to charge it. Use a battery charger that is compatible with GEL batteries and set it to the appropriate voltage and current settings. Charge the battery for several hours or until the charger indicates that it is fully charged.
Desulfation
If the battery has sulfated, which means sulfur deposits have formed on the plates, you may need to perform a desulfation process. This can be done using a desulfator, which is a special device that applies a low-level charge to the battery to break down the sulfur deposits. Follow the instructions provided by the desulfator manufacturer.
Equalize the Charge
After charging, perform an equalization charge to ensure that all cells in the battery are balanced. This involves charging the battery at a higher voltage for a short period of time to equalize the charge distribution among the cells. Be careful not to overcharge the battery during this process.
Check the Electrolyte Level
Ensure that the gelled electrolyte is evenly distributed throughout the battery. If there are any dry areas, you can carefully add distilled water to rehydrate the electrolyte. However, be careful not to overfill the battery.
Perform a Load Test
After charging and equalizing, perform a load test to check the battery's performance. This involves connecting the battery to a load tester, which simulates a real-world load on the battery to measure its voltage and current output. If the battery passes the load test, it may be ready for use.
Can a GEL Battery Be Used in Cold Temperatures?
GEL batteries can be used in cold temperatures, but their performance may be affected. GEL batteries are designed to operate in a wide range of temperatures, including cold environments. However, low temperatures can have an impact on the battery's performance and capacity. Here are some factors to consider when using GEL batteries in cold temperatures:
Reduced Capacity: Cold temperatures can cause a reduction in the battery's capacity. The chemical reactions inside the battery slow down, leading to a decrease in the amount of energy that can be stored and delivered. This means that the battery may not last as long as it would in warmer temperatures.
Slower Charging: Cold temperatures can also slow down the charging process for GEL batteries. It may take longer to fully charge the battery in cold weather compared to warmer temperatures.
Increased Internal Resistance: Cold temperatures increase the internal resistance of the battery, which can lead to a decrease in voltage and power output. This can affect the performance of the battery, especially under heavy loads.
Maintenance Considerations: In cold temperatures, GEL batteries may require more maintenance than in warmer climates. This includes checking the electrolyte level and ensuring that the battery is properly charged and maintained.
When handling a GEL battery, it is important to follow certain safety precautions to ensure your safety and prevent damage to the battery. GEL batteries contain sulfuric acid, which is corrosive and can cause harm if not handled properly. Here are some safety precautions to follow.
Wear Protective Equipment
When handling a GEL battery, always wear protective equipment such as safety glasses, gloves, and protective clothing. This will help prevent acid splashes or leaks from contacting your skin or eyes.
Avoid Short-Circuiting
GEL batteries can produce dangerous sparks or explosions if they are short-circuited. Avoid placing metal objects or tools between the battery terminals and keep them clean and dry to prevent corrosion.
Handle With Care
GEL batteries are fragile and can leak if handled improperly. Handle them with care, avoiding dropping or banging them against hard surfaces.
Keep Away from Flames and Heat
GEL batteries can explode or catch fire if exposed to extreme heat or flames. Keep them away from heat sources, open flames, or other ignition sources.
Ventilate the Area
GEL batteries release hydrogen gas during charging and discharging. To prevent the accumulation of this gas, it is important to ventilate the area where the battery is located.
Dispose of Properly
When a GEL battery is no longer usable, it should be disposed of properly to prevent environmental contamination. Follow local regulations and guidelines for battery disposal.
Can a GEL Battery Be Repaired if It Stops Working?
Repairing a gel battery that has stopped working is generally not recommended or feasible. Gel batteries are sealed units, and once they fail, it is typically due to internal damage or chemical imbalance that cannot be easily reversed. Repairing a gel battery often involves opening the battery case, which can expose dangerous acid and create a safety hazard. Additionally, attempting to repair a battery without the proper tools and knowledge can damage the battery further or pose a risk of injury. If a gel battery stops working, the best course of action is to replace it with a new one. Before purchasing a new battery, it is important to determine the cause of the battery failure. This could be due to aging, deep discharge, overcharging, or other factors. Understanding the cause can help prevent similar issues with the new battery. When replacing a gel battery, make sure to select a new battery that is compatible with your application and meets the specifications required by your device. It is also important to follow the manufacturer's recommendations for charging and maintaining the new battery to ensure its longevity and performance.
Certifications
Our batteries have been certified with ISO 9001, ISO 14001, UL and CE, etc.
Our Factory
Shimastu Electronic Technology Co.,Limited, a premier manufacturer of Sealed Lead Acid batteries&Lithium batteries,which was established in 2001 and located in Zhongshan City ,Guangdong Province,China,we specialize in research and development, manufacturing, sales and marketing of full categories of batteries,our main products cover AGM VRLA battery,GEL battery, OPzV/OPzS battery,Front Terminal battery,2V long life battery,Lead carbon battery, Lithium battery,Car battery etc.
Ultimate FAQ Guide to GEL Batteries
Q: What is a GEL Battery?
Q: How does a GEL Battery Work?
Q: What are the Advantages of GEL Batteries?
Maintenance-free: GEL batteries require little to no maintenance, as the gelled electrolyte eliminates the need for regular topping off with water.
Versatile Mounting Options: GEL batteries can be mounted in any position without leaking, making them suitable for a wide range of applications.
Longer Cycle Life: GEL batteries typically have a longer cycle life than traditional flooded batteries, due to their resistance to sulfation.
Q: What Applications are GEL Batteries Used for?
Renewable Energy Systems: They are also used in solar and wind energy systems to store and provide power when the sun or wind is not available.
Marine Applications: GEL batteries are popular in marine applications due to their leak-proof design and ability to handle vibrations.
Telecommunications: They are used in telecommunications equipment to provide reliable backup power.
RVs and Camping: GEL batteries are often chosen for RVs and camping applications because they are maintenance-free and can be mounted in any position.
Q: How do I Charge a GEL Battery?
Q: Can a GEL Battery be Overcharged?
Q: How do I Maintain a GEL Battery?
Check the Electrolyte Level: Although GEL batteries are maintenance-free, it is still a good practice to check the electrolyte level occasionally. If the level is low, add distilled water to the recommended level.
Monitor the Charging System: Ensure that the charging system is functioning properly and providing the correct voltage and current for your battery.
Store in a Cool, Dry Place: Avoid storing the battery in extreme temperatures or damp environments, as this can affect its performance and.
Q: What is the lifespan of a 200Ah gel battery?
Q: What is the life span of a gel battery?
Q: How many solar panels do I need to charge a 100AH gel battery?
Q: Why do gel batteries fail?
Q: Why is my gel battery draining so fast?
Q: Can you revive a dead gel battery?
Q: Are gel batteries worth the money?
Q: Can I replace gel batteries with lithium?
Q: How often should you charge a gel battery?
Q: When should I replace my gel battery?
Q: Which is better solar battery acid or gel?
Q: Can you revive a dead gel battery?
Q: Why is my gel battery draining so fast?
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