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Lead Acid Battery

FIRSTEK - Your Car Battery Manufacturer with Reliable Solutions

With 20 years of industry experience, FIRSTEK enjoys a high reputation in the manufacturing and research and development of lead-acid batteries and lithium iron phosphate batteries.

High R&D Level

Our FIRSTEK R&D Institute is a comprehensive R&D center integrating material R&D and testing verification functions. We are committed to becoming a national-level technology incubation center and testing center, with research branches such as battery technology, battery applications, and battery equipment under our jurisdiction. At present, we have applied for and obtained a number of patents, and our research and development level is at the leading level in the industry.

Customize and OEM/ODM Your Project

FIRSTEK not only produces automotive batteries, VRLA/SLA batteries, LiFePO4 batteries, ESM (energy storage modules) and ESS (energy storage systems), solar home systems, but also customizes lithium-ion batteries and develops BMS to meet the battery needs of different applications.

 

 

 

Multiple Certifications

Our company has obtained multiple international certifications, including ISO9001, ISO14001, ISO45001, OHS MS18001, UL, CE, KS, VDS, CB, BIS, SASO. All our batteries are produced to strict standards. Our company has also won the title of high-tech enterprise.

 

Environmental Friendly

FIRSTEK closely integrates its business philosophy with the social environment and establishes an industrial chain including materials, batteries, system integration, recycling, etc. By mastering the echelon utilization technology of the entire industry chain, we form a closed loop of the echelon utilization industry chain, aiming to contribute to environmental protection.

 

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Brief Introduction to a Lead Acid Battery

 

 

Lead acid battery is a type of battery whose electrodes are mainly made of lead and the electrolyte is sulfuric acid solution. It is generally divided into two types: open type batteries and valve-regulated batteries. The former requires regular acid injection for maintenance, while the latter is a maintenance-free battery. Although it has a small energy-to-volume ratio and a very low energy-to-weight ratio, its ability to deliver high surges indicates that this battery has a relatively large power-to-weight ratio.

 

Main Features of Lead Acid Batteries

 

 
 

Maintenance Free

Sealed lead-acid batteries feature a valve-controlled, leak-proof structure that allows for trouble-free, safe operation in any position. There is no need to add electrolytes as the gases produced during charging recombine in a unique "oxygen cycle".

 
 

Easy to Operate

Due to leak-proof battery construction, lead-acid batteries require no special handling precautions or shipping containers (either surface or air).

 
 

Long Lasting

The design life of lead-acid batteries can range from 3 - 5 years all the way up to over 12 years, depending on the manufacturing process of the battery. There are many factors that affect battery life, including temperature, see our technical manual for more information.

 
 

Design Flexibility

Lead-acid batteries can be used in series and/or parallel for a choice of voltage and capacity. Thanks to recent design breakthroughs, the same battery can be used in cycling or standby applications. Our battery product portfolio is one of the largest in the industry.

 
 

Solid Structure

High-impact battery case made of non-conductive ABS plastic. Large-capacity batteries often come in polypropylene casings. All of these materials are highly resistant to shock, vibration, chemicals and heat. Flame retardant (FR) battery boxes and covers are available on our battery model combinations.

 
 

Compact Design

We use state-of-the-art designs, premium materials and carefully controlled platemaking processes to deliver exceptional high-energy output. High energy density provides excellent power/volume and power/weight ratios.

 
 

High Discharge Rate

Low internal resistance allows discharge currents up to ten times the battery's rated capacity. Therefore, relatively smaller batteries can be specified in applications requiring high peak currents.

 
 

Deep Discharge Recovery

Special separators, advanced plate compositions and carefully balanced electrolyte systems greatly improve the ability to recover from excessive deep discharge, which is evident in our pure lead, deep cycle gel and tubular gel batteries.

 

Benefits of Lead Acid Batteries

 

High Reliability

Lead-acid batteries are known for their ruggedness and reliability. They are resistant to high temperatures and harsh environments. Additionally, they have a long service life, with batteries in particular lasting up to twenty years with proper maintenance.

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Easy to Maintain

Another benefit of lead-acid batteries is their ease of maintenance. They don't require any special tools or expertise to keep working properly. Regular maintenance includes checking and adding distilled water to the battery, cleaning the terminals, and ensuring the battery is properly charged.

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Environmental Friendly

Unlike other battery technologies, lead-acid batteries are recyclable, making them an environmentally friendly option. When batteries reach the end of their useful life, the lead and acid can be recycled and used to make new batteries. Therefore, this minimizes waste and helps protect the environment.

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Compatibility

Lead-acid batteries are widely used and compatible with many different systems. Plus, they're available in a variety of sizes and potentials, making it easy to find one that meets your unique needs. Plus, since they've been around for so long, you can find them almost anywhere.

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Safe to Use

Lead-acid batteries are safe to use as long as proper handling procedures are followed. Unlike some other battery technologies that can be dangerous if not handled properly, lead-acid batteries are relatively stable. Remember to wear protective gear when handling batteries and avoid tipping or dropping batteries.

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Lead Acid Batteries Parameters

 

Product Name YTX14-BS Motorcycle Battery
Nominal Voltage 12V
Nominal Capacity 12 AH
Battery Technology Lead acid
Dimension (L*W*H*TH, mm) 150*87*145 mm
Container Material A.B.S. UL94-HB, UL94-V0 Optional.
Lead time within 25 days
Supply ability 20,000 pcs/day

 

Different Types of Lead Acid Batteries

 

 

Solar DC Power Generator System

Flooded Lead Acid Battery

Flooded lead-acid batteries are widely used in the automotive industry. This is a cost-effective solution with the lowest cost per amp hour. Modern wet cells also come in two variants, serviceable and maintenance-free. Traditional flooded lead-acid batteries require regular maintenance, such as watering, cleaning terminals, equalizing charging, etc.

Sealed Lead Acid Batteries

Also known as valve-regulated lead-acid batteries (VRLA), these batteries are now available in different sizes. The main form of manufacturing a sealed lead-acid battery is the plates in the battery and the thickness of the plates. Unlike wet batteries, these batteries do not degrade as easily and are the safest type of lead-acid battery. Sealed lead-acid batteries come in two variations: absorbent glass matte (AGM) and gel batteries (gel electrolyte).

Deep Cycle Lead Acid Battery

As the name suggests, deep cycle lead-acid batteries are designed for deep cycle applications. It has fewer plates than similar products and only releases 50% of its total capacity and charges again. Deep cycle lead-acid batteries are commonly used in golf carts, mobility scooters, power banks, etc. If you or your friends plan to purchase a deep cycle lead-acid battery, we recommend that you choose a battery with triple capacity. If the capacity is low and usage is high, there is a risk of damage to the battery.

Engine Starting Lead Acid Battery

Engine starting lead batteries, also called starter batteries, have a large number of thin plates to produce maximum current. It is designed to reach maximum current in a short period of time. In order to identify the quality of the starting battery, one should check the CCA (cold cranking amps) rating given on the battery. Engine starting lead acid batteries perform optimally until properly maintained.

Standby Lead Acid Battery

The basic and common battery type is the backup lead-acid battery, which is designed to maintain backup stored energy, especially in uninterruptible power supplies (UPS), network systems, telecommunications industries, etc. Backup lead-acid batteries are usually of the AGM type.

Marine Specific Battery

Batteries used in marine conditions need to have high power and withstand a lot of stress, so marine-specific batteries are designed in different combinations, including starting, deep cycle, and a combination of the two. Batteries designed for marine conditions are specifically labeled marine grade. Therefore, if you are planning to choose one, be sure to check the label and quality of the battery.

 

 
Applications of Lead Acid Batteries
 

Lead-acid batteries are one of the oldest and most widely used types of rechargeable batteries. They have many other applications besides the automotive industry, and their versatility and low cost make them a popular choice in a variety of other fields.

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Renewable Energy Storage
Renewable energy sources such as solar and wind are growing in popularity as the world seeks to reduce its carbon footprint and shift to more sustainable forms of energy. However, the intermittency of these energy sources makes them less reliable than traditional energy sources such as coal and natural gas. Lead-acid batteries can be used to store excess energy generated by renewable energy sources and then power homes and businesses when the sun is not shining or the wind is not blowing. Lead-acid batteries are an ideal solution for renewable energy storage because they are cheap, easy to maintain and have a long life.

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Telecommunications
Telecommunications networks rely on uninterruptible power supplies to operate. Lead-acid batteries are often used to provide backup power to cell towers and other communications infrastructure in areas where the grid is unreliable or unavailable. Batteries are typically connected to a charger powered by the grid or solar panels, ensuring they are always charged and ready to provide backup power in the event of a power outage.

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UPS Systems
Uninterruptible power supply (UPS) systems are critical to ensuring continued operation of computer systems and other electronic equipment during power outages. Lead-acid batteries are often used in UPS systems because they are reliable and can provide high levels of power output for long periods of time. They are also relatively cheap compared to other types of batteries and easy to replace at the end of their life.

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Electric Forklifts
Electric forklifts are increasingly popular in warehouses and other industrial settings due to their lower operating costs and lower environmental impact than gas-powered forklifts. Lead-acid batteries are commonly used to power electric forklifts because they are cheap, reliable and have a long life. The battery can be charged overnight, providing enough power for a full day's work.

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Marine Applications
Lead-acid batteries are commonly used in marine applications to provide necessary power for onboard lighting, communication systems and other electronic equipment. Marine batteries are designed to be more durable and resistant to corrosion than car batteries, making them an ideal solution for boats and other watercraft. They are also often used as backup power sources for navigation systems and emergency lighting.

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Medical Equipment
Many types of medical equipment, such as hospital beds, wheelchairs, and patient lifts, are battery-powered. Lead-acid batteries are a popular choice for these applications because they are reliable, easy to maintain and have a long life. They are also relatively cheap, making them an affordable option for medical facilities that need to power a large number of devices.

 

How to Choose the Right Lead-Acid Battery for Your Needs – a Guide

Lead-acid batteries are widely used to store energy in solar power systems, electric vehicles, and backup power systems. They are affordable, durable, and reliable. Indeed, with the wide array of types and options available in the market, selecting the suitable lead-acid battery for your specific requirements can be a daunting task. In this article, we will provide a guide on how to choose the right lead-acid battery for your needs.

 

Understand the Types of Lead-Acid Batteries
The first step in choosing the right lead-acid battery is to understand the different types. There are three main types:
● Flooded Lead-Acid Battery: This is one of the oldest and most common types of lead-acid batteries. As the name suggests, the battery is flooded with electrolyte, which is a mixture of water, sulfuric acid, and lead. They require regular maintenance, and water levels need to be topped up regularly.
● Sealed Lead-Acid Battery: This type of battery is permanently sealed, meaning that there is no need for maintenance. Due to their reduced likelihood of leaks and gas emissions, lead-acid batteries are considered well-suited for indoor applications.
● Gel Lead-Acid Battery: Gel batteries utilize a gel electrolyte instead of a liquid, rendering them more resistant to spills and leaks. In addition, gel batteries require less maintenance compared to flooded batteries.

 

Consider Capacity and Voltage
The subsequent step involves determining the appropriate capacity and voltage required for your specific application. The battery’s capacity is typically measured in ampere-hours (Ah), and it is crucial to select a battery with sufficient capacity to adequately power your devices. The voltage output of the battery should also be considered, as different applications require different voltage levels. For example, a solar power system may require a 12V battery with a capacity of 100Ah, while an electric vehicle may require a 48V battery with a capacity of 400Ah.

 

Evaluate Performance and Lifespan
When choosing a lead-acid battery, it is essential to consider the performance and lifespan of the battery. The battery’s performance is determined by its discharge rate, which is the amount of energy that the battery can deliver over time. A battery with a high discharge rate is better suited for applications that require a lot of power in a short time. The lifespan of a lead-acid battery is indeed affected by its depth of discharge (DOD). Correct, the depth of discharge (DOD) refers to the percentage of a battery’s capacity that has been discharged during its use. A battery with a higher DOD will have a shorter lifespan than one with a lower DOD.

 

Consider Application and Environment
The final factor to consider when choosing a lead-acid battery is the application and environment. Different applications and environments require different batteries. For example, an outdoor solar power system in a remote area may require a flood lead-acid battery that can withstand harsh environments. An indoor backup power system may require a sealed lead-acid battery that does not require maintenance and emits minimal gas.

 

Top 10 Tips: Lead-Acid Battery Maintenance

 

Monitor Levels
Maintaining the correct battery fluid levels is an essential part of extracting the full performance potential from any battery. Levels should neither be too low nor too high – top up the cells so that the plates and separators are just covered by electrolyte. Battery manufacturers recommend that levels are regularly checked. Doing so will also help prevent premature damage or failure. Always make sure that only distilled, de-ionised water is used when topping-up any lead acid battery.

 

Top-up After a Charge and NOT Before
As the water in batteries is critical to the transfer of energy, the introduction of fresh water must occur at the correct time during its charging cycle, which is after the battery has completed its charge and never before. Electrolyte expands when it gets warm so topping up before a charge can result in spillage of electrolyte.

 

Ensure Battery and Charger Compatibility
There is an important difference between a charger that simply works and one that is specifically designed to correctly charge a given type and make of battery. Check with battery suppliers to confirm that the correct charging equipment is being used. Using incorrect chargers can be extremely dangerous, can damage batteries and may also compromise insurance cover. Always follow the charging procedure shown in your charger’s manual.

 

Allow Batteries to Fully Charge
Batteries will always perform best after a full charge. Avoid the temptation to partially charge them, or to interrupt a charging cycle. Doing so could damage the battery permanently, reducing its capacity as well as potentially shortening its life.

 

Let Batteries Cool
A typical lead acid battery needs to be left for a good two hours to cool after every charge. Build this time into your charging schedule and make it a mandated part of your health and safety best practice.

 

Keep an Eye on the BDI
Equipment operators should continually monitor the status shown on Battery Discharge Indicators. Batteries should ideally be recharged when their indicator shows around 25% charge remaining. Doing so will keep them in optimum condition and allow the battery to deliver its maximum capacity for longer. Newer machines are also programmed to cut out the hydraulic function when 80% discharge is reached, preventing lift, however drive functions remain unaffected.

 

Check Cables, Plugs and Chargers
Battery leads can be prone to damage or corrosion, as can plugs and chargers. Check all equipment and connections and report any frayed wires or worn insulation. A weekly visual inspection will help identify any issues before they can affect the operation of the machinery.

 

Use Batteries Evenly
When operating more than one battery, such as in multiple shift environments, make sure that they are all used and charged evenly. This will avoid the risk of any one battery being over-cycled, which could result in a decrease in performance and shortening of its useful life. Implementing Battery Monitoring System technology will keep operators informed of batteries’ status and ensure even use.

 

Keep Lids Clean
The lids of battery cells should always be kept clean and free from debris. Doing so will prevent potential earth leakage and any subsequent reduction in capacity.

 

Think Safety!
Whenever working with batteries always wear suitable protective clothing and use appropriate safety equipment. Ensure spill kits and an eye wash station is located within your charging area. Remember to also provide good ventilation to all batteries and chargers when charging and keep battery compartment lids open if charging the battery in situ. And don’t forget to safely store the charge cables when not in use, this will avoid unnecessary damage as well as removing any potential trip hazards.

 

Process Quality Management

We implement the following quality management processes:

 

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Factory Photos

The picture below is our factory:

 

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Frequently Asked Questions

 

Q: What's in a lead-acid battery?

A: When fully charged, the negative plate is composed of lead and the positive plate is composed of lead dioxide. Concentrated sulfuric acid is an electrolyte and retains most of its chemical energy.

Q: How are lead-acid batteries made?

A: Lead batteries use lead alloy ingots and lead oxide, and are made from two chemically different lead substrates immersed in a sulfuric acid solution.

Q: How to maintain lead-acid batteries?

A: Perform a full saturation charge for 14 to 16 hours to keep the lead acid in good condition. If charging cycles don't allow, give the battery a full saturation charge every few weeks.

Q: Are lead-acid batteries wet or dry?

A: Different versions of lead-acid batteries include wet cells (flooded), gel cells, and absorbed glass mat (AGM). There are two types of wet cells, which are easy to repair and maintenance-free. Both are filled with electrolytes and are essentially the same.

Q: What type of battery is lead-acid?

A: The active materials lead and lead dioxide on the battery plates react with sulfuric acid in the electrolyte to form lead sulfate. Lead sulfate is first formed in a finely divided amorphous state and readily reverts to lead, lead dioxide, and sulfuric acid when the battery is charged.

Q: Can I choose SLAs with different capacities?

A: You can choose batteries of different capacities as long as they are within the same range. For example, if your current battery is 4Ah, you can choose a battery rated 4.5Ah or 5Ah.

Q: What is the lifespan of an SLA battery?

A: The life of a sealed lead-acid battery depends on a variety of factors, including application, operating temperature and charging method. Generally, SLAs can last between 300-500 cycles. Never store batteries in a discharged or partially charged state. To extend battery life, be sure to charge the battery before storing.

Q: What is the shelf life of sealed lead-acid batteries?

A: All SLA batteries self-discharge. If the battery is not recharged regularly, its capacity may not be restored. Typically, SLA batteries self-discharge 3% per month. We recommend that you check and charge it every three months. SLA batteries should not be stored without charging for more than six months.

Q: Do I need to drain my sealed lead acid battery to prevent memory effect?

A: Won't. SLA batteries do not suffer from memory effect. Draining the SLA battery's charge may cause it to become damaged.

Q: What should I do if my sealed lead-acid battery is dropped?

A: Use protective equipment before handling batteries and avoid contact with sulfuric acid. Use rubber or neoprene gloves, safety glasses, acid-resistant boots, aprons and clothing. Neutralize any spilled electrolyte or exposed battery parts with soda ash or sodium bicarbonate until the hissing stops. Place damaged batteries in a thick plastic bag or other non-metallic container. Recycle batteries immediately. Do not store old lead-acid batteries, especially those with damaged casings.

Q: Is there a difference between SLA, VLRA and AGM?

A: SLA (sealed lead acid) and VRLA (valve regulated lead acid) are different abbreviations for the same battery. This type of battery has the following features: maintenance-free, leak-proof, and location-insensitive. This type of battery has a safety vent that releases gas if the internal pressure gets too high. AGM (Absorbent Glass Mat) refers to a specific type of SLA/VRLA in which the electrolyte is absorbed into the separators between the plates consisting of spongy fine fiberglass mats. SLA batteries are divided into specific subsets of batteries.

Q: What are the limitations of lead-acid batteries?

A: Lead-acid batteries are not suitable for fast charging. Typical charging time is 8 to 16 hours. Regular full saturation charging is essential to prevent sulfation, and the battery must always be in a state of charge. Leaving the battery in a discharged state will cause sulfation and may prevent it from charging.

Q: Why do lead-acid batteries lose capacity over time?

A: All lead-acid batteries gradually lose electrical capacity due to the sulfation process, which causes the battery's internal resistance to rise.

Q: How does temperature affect lead-acid batteries?

A: When the ambient temperature is lower or higher than 25℃, the efficiency of lead-acid batteries will decrease. This may result in a loss of available capacity. As temperatures move away from the ideal 25℃, efficiency and usable capacity decrease over time.

Q: How to prevent lead-acid batteries from exploding?

A: When charging the battery, work in a well-ventilated area and never in a closed room. Always turn off the battery charger or ignition before disconnecting the battery. Always add concentrated acid to water, never add water to acid. Store the electrolyte in a plastic container with an airtight lid.

Q: Why do lead-acid batteries need water?

A: As more water is converted into hydrogen and oxygen, the water level inside the battery drops. This is why most lead-acid batteries require periodic "top-ups" (distilled or deionized water added to the electrolyte fill well) to ensure proper function.

Q: Why do lead-acid batteries get hot when charging?

A: This may be because the charging voltage is too high. If the voltage is too high (more than 14.4 V), the water will evaporate, explosive gases will be produced, and the battery will warm or even become hot.

As one of the most professional lead acid battery manufacturers and suppliers in China, we're featured by high quality and good service. Please rest assured to buy lead acid battery at reasonable price from our factory. Contact us for datasheet and quotation.

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