With the aging population and increasing demand for accessibility, stairlifts are becoming more common in homes and public buildings. As one of the key components of stair lifts, the performance and maintenance of stairlift lead-acid batteries directly affect the reliability and lifespan of the equipment.

1. Battery Power Needs and Operation in Stairlifts

Modern stairlifts are powered by lead-acid batteries, usually installed in the cabin (where the motor is located), which help move the lift up and down the stairs. The batteries are charged by connecting to charging points, and the charger provides low-voltage trickle charging from the main power supply to keep the batteries charged.

2. Battery Lifespan and Maintenance

The lifespan of lead-acid batteries typically ranges from 3 to 5 years, depending on usage and maintenance. It is recommended to perform an annual maintenance check to ensure the lift and batteries are working properly. Proper maintenance can extend battery life, so regular cleaning and checking of charging points and batteries is essential.

3. Common Problems and Solutions

If the battery isn’t charging, the issue may be caused by the following:

Power Supply Issue: Check if the main power outlet is on and ensure the power supply is working.

Charging Contact Issue: Make sure the stair lift is parked at the charging point. Check if the charging strip is clean and undamaged.

Charger or Circuit Issues: Verify that the charger and circuit are functioning properly. If needed, contact a professional for repairs.

Using the Lift During a Power Outage: If there is a power outage, the lift can still be used until the power is restored. However, to prolong battery life, limit the number of uses. A fully discharged battery won’t recharge and needs replacement. Uncharged batteries typically allow for about 8 trips up and down the stairs, depending on the model.

4. Battery Selection and Maintenance Tips

Stairlifts typically use battery 12V8Ah, 12V5Ah, 12V9Ah, 12V10Ah, or 12V12Ah lead-acid batteries. These batteries are safe, durable, and environmentally friendly. To prolong battery life, it’s recommended to have professional maintenance checks annually and regularly clean the charging strip to ensure good contact.

Kaiying Power specializes in producing high-quality lead-acid batteries, which are widely used in stairlifts and other accessibility devices. Our batteries are trusted for their excellent stability and performance. We are committed to providing safe, durable, and eco-friendly battery solutions to ensure the long-term, stable operation of your equipment.

Lead-acid batteries, as one of the most mature electrochemical energy storage technologies, rely heavily on the quality of their battery plates. The manufacturing of battery plates integrates precision processes from metallurgy, chemistry, and materials science. This article delves into the full production process of green plates (unformed plates), from raw materials to final shaping, revealing the modern industrial wisdom behind this traditional technology.

I. Raw Material Preparation: Metallurgical Purification of High-Purity Lead

1. Lead Ingot Melting

We utilize electrolytic lead ingots with a purity of ≥99.99%, which are melted into liquid lead in a lead melting furnace at 450-500°C. To enhance mechanical strength, alloying elements are added in proportion:

Positive Plates: 0.3%-1.2% antimony (Sb) is added to enhance corrosion resistance;

Negative Plates: Lead-calcium alloy (0.08%-0.12% Ca) is used to reduce the risk of hydrogen evolution.

2. Lead Powder Preparation (Lead Oxide Generation)

Molten lead is atomized into micrometer-sized lead particles through a lead powder machine (using the Barton method or ball milling method). These particles react with air in an oxidation chamber to form porous lead oxide (PbO):

2Pb + O₂ → 2PbO

The lead powder has a particle size controlled at 2-5μm and a specific surface area of 0.8-1.5 m²/g, ensuring high reactivity for subsequent reactions.

II. Paste Preparation: The Core Carrier of Electrochemical Active Substances

1. Formula Mixing

Lead oxide powder, deionized water, sulfuric acid (density 1.40g/cm³), and fibrous additives (such as lignin) are mixed in proportion in a paste mixer:

Positive Plate Paste: Lead powder:Sulfuric acid:Water ≈ 100:8:12, forming a porous PbO·PbSO₄ framework;

Negative Plate Paste: Expanding agents (such as carbon black, barium sulfate) are added to inhibit passivation.

2. Paste Maturation

The mixed paste is left to mature in an environment at 35-45°C with humidity >90% for 8-12 hours, completing the following reaction:

4PbO + H₂SO₄ → 3PbO·PbSO₄·H₂O + H₂O

This forms a stable basic lead sulfate network structure, with the paste density reaching 4.0-4.3g/cm³.

III. Grid Manufacturing: The Mechanical Framework of Battery Plates

1. Alloy Casting

Using die-casting or continuous expanded mesh processes, lead-calcium/lead-antimony alloys are formed into grid-like structures:

Thickness: Positive plates 1.8-2.5mm, negative plates 1.2-1.8mm;

Grid Design: Diamond or radial patterns to reduce internal resistance and enhance active material adhesion.

2. Surface Treatment

The grids are cleaned with dilute sulfuric acid (5%) to remove oxide layers, forming a micro-rough surface to enhance paste adhesion.

IV. Coating and Curing: Precision Shaping of Active Materials

1. Automated Coating

Grids are evenly coated with paste using a double-belt coater, with precise paste application within ±0.5g per plate. The thickness is controlled by rolling (positive plates 2.5-3.0mm, negative plates 1.8-2.2mm).

2. Curing and Drying

The coated plates undergo a three-stage curing process in a humidity-controlled tunnel kiln:

Surface Drying (40°C, 2h): Rapid dehydration to prevent cracking;

Crystal Transformation (65°C, 12h): PbO·PbSO₄ → 4PbO·PbSO₄;

Final Drying (50°C, 6h): Residual moisture <0.5%.

This results in porous, high-mechanical-strength green plates (positive plates PbO/PbSO₄, negative plates sponge-like Pb).

V. Quality Control: Precision Manufacturing Empowered by Digitalization

Online Inspection: X-ray thickness gauges monitor paste uniformity in real-time;

Physical Indicators: Plate hardness (Shore A 50-65), bending strength (>15MPa);

Electrochemical Pre-testing: Random sampling for 0.5C discharge testing, with capacity deviation ≤3%.

VI. Environmental Protection and Innovation: The Industrial Revolution of Green Manufacturing

Lead Dust Control: Fully enclosed production lines with bag filters, lead emissions <0.1mg/m³;

Paste Recycling: Centrifugal separation technology achieves a paste reuse rate >95%;

Smart Factory: MES systems optimize process parameters at the millisecond level, reducing energy consumption by 18%.

The manufacturing process from lead ingots to green plates represents the perfect integration of materials science and engineering technology. Kaiying Power ensures that each battery plate combines high energy density with ultra-long cycle life through full-process digital control and green process innovation, providing a reliable power core for global energy storage systems.

(Data support provided by Kaiying Power's R&D Institute)

The competition between lead-acid and lithium-ion batteries in the UPS backup power market reflects a balance between *cost efficiency* and *technological innovation*. By 2025, the market will see clear divisions: lead-acid batteries maintain dominance in reliability-driven sectors like healthcare and security, while lithium-ion solutions target high-growth areas like data centers and portable devices. Here’s a data-driven analysis based on industry reports (MarketsandMarkets, Bloomberg NEF):  

1. Why Lead-Acid Batteries Still Matter

Lead-acid batteries remain irreplaceable in scenarios demanding extreme durability and low costs:  

Medical Equipment: Used in 65% of fixed UPS systems (e.g., ventilator backups) due to deep-discharge resilience (92% capacity retention at 80% DOD) and minimal maintenance.  

Security Systems: Dominate fire alarms and access control units, withstanding high temperatures (30% longer lifespan at 45°C) and offering rapid global delivery (72-hour turnaround).  

Kids’ Ride-On Cars: Hold 90% market share with low cost (<$7 per 12V7AH unit) and plug-and-play compatibility.  

2. Lithium-Ion’s Rise in High-Value Sectors  

Lithium batteries are gaining ground through tech upgrades and policy support:  

Data Centers: AI-driven power demands favor lithium-ion BBUs (Backup Battery Units). NVIDIA’s GB300 servers now use lithium cells, with global BBU demand hitting 220 million units by 2025—60% driven by cloud giants like Microsoft and Google. 

Portable Medical Devices: Handheld ultrasound tools adopt 18650 lithium cells, cutting weight by 30% while meeting UL 1642 safety standards.  

Smart Security Cameras: Lithium batteries power wireless cameras, offering 2,000+ cycles (vs. 350 cycles for lead-acid) and cold-weather performance (-30°C operation).  

3. Regional Trends & Policy Impacts  

Southeast Asia: Frequent blackouts (>120 hours/year) keep lead-acid dominant (78% share), but India and Indonesia impose 15% tariffs to protect local producers.  

Europe & North America: Lithium penetration exceeds 60%, driven by EU’s CE certification (phasing out 30% of low-quality products) and Germany’s 5,000-cycle lifespan mandate for energy storage.  

China: Lead-acid demand grows 25% annually in western data centers (“East Data West Computing” project), while new energy policies push lithium adoption.  

4. Risks & Opportunities  

Lead-Acid Costs: High lead prices (~$2,450/ton) favor companies with in-house smelting (e.g., Yuguang Gold Lead), while smaller recyclers struggle.  

Lithium Tech Race: Samsung SDI’s “all-pole ear” cells boost power density by 15%, and Chinese firms like Tianneng Energy supply Microsoft/NVIDIA in non-U.S. markets.  

Regulatory Hurdles: EU’s RoHS 2.0 rules (lead content ≤0.1%) force lead-acid makers to upgrade recycling tech (e.g., silver paste recovery).  

Lead-acid and lithium batteries aren’t rivals—they fill unique niches. Lead-acid excels in cost-sensitive, high-reliability roles, while lithium powers innovation-heavy sectors. Success in 2025 depends on *knowing your customers*: hospitals prioritize safety certifications, data centers calculate total ownership costs (TCO), and parents want affordable kids’ toys.

In today's competitive market, brand value is increasingly important. The emergence of counterfeit and substandard products is a serious threat to brand reputation and market order. As a large lead-acid battery factory, Kaiying Power has recently discovered counterfeit batteries bearing our brand in the market. Although this is distressing, it also presents an opportunity for us to reaffirm our commitment to quality and strengthen our brand image to the market and consumers. Here are some strategies and actions we are taking in response to this incident.

1. Identifying Counterfeit Products

During market research, we identified counterfeit products through various issues on the battery casing, including:

Poor Casing Quality: Counterfeit batteries have thin casings with numerous scratches.

Inferior Silk-Screen Printing: The silk-screen printing on counterfeit batteries contains errors in text, data, and certification codes, and is often blurry. These issues not only affect the product's appearance but also indicate unstable internal quality.

Irregular Date Coding: The date coding on counterfeit batteries is irregular and does not accurately reflect the production date.

Irregular Terminals and Acid Leakage: The terminals on counterfeit batteries are poorly made and prone to acid leakage and corrosion, which can lead to unstable connections, affecting the battery's performance and safety.

These subtle differences, though easily overlooked, are crucial in quality control. Our batteries feature clear and accurate silk-screen printing, consistent laser date coding, and well-made terminals with strict prevention of acid leakage. This discovery further strengthens our commitment to quality and reminds us to focus more on detail presentation and education in market promotion. Below are some examples:

2. Comprehensive Harms of Substandard Lead-Acid Batteries to Equipment

The impact of substandard lead-acid batteries on equipment is multifaceted, mainly reflected in the following aspects:

Performance and Lifespan

Difficulty in Starting and Unstable Operation: Due to poor quality electrode materials and electrolyte, substandard batteries have increased internal resistance and rapidly decreasing discharge voltage. This not only makes it difficult to start equipment, such as motorcycles failing to start, but also causes voltage fluctuations during operation, leading to unstable equipment performance, like frequent restarts of data center servers.

Shortened Lifespan: Poor material quality can lead to incomplete chemical reactions and electrode material shedding, causing the battery capacity to drop quickly and shortening its lifespan. This increases the maintenance cost and downtime of equipment, such as the need for frequent battery replacements in UPS systems.

Safety and Environment

Equipment Damage and Safety Risks: Leakage and expansion issues can cause electrolyte to corrode the metal parts and electronic components of equipment, causing damage. Moreover, the poor quality casing of substandard batteries can easily break, potentially causing short circuits, overheating, and even fires, endangering personnel and property safety.

Environmental Pollution: Substandard batteries are prone to leaking harmful substances, such as lead and acid, during use and disposal, posing a threat to the ecological environment and human health. Discarded substandard batteries can contaminate soil and water sources if not disposed of properly.

Economy

Increased Maintenance Costs: Due to unstable performance, frequent inspections and maintenance are required, and the replacement frequency is high, which significantly increases the maintenance cost of equipment, affecting its economic efficiency and usability.

Faced with counterfeit and substandard lead-acid batteries in the market, we understand the importance of protecting consumer rights and maintaining market order. Through strict quality control, we ensure that every battery meets high-quality standards. We not only strictly monitor the production process but also focus on detail presentation and education in market promotion to help consumers identify genuine products. Our efforts can effectively combat counterfeit and substandard products, enhance consumers' trust in the Kaiying brand, and ensure the stable operation and safe use of equipment. We will continue to uphold our commitment to quality and provide consumers with higher quality products and services.

Since its establishment in 2000, Kaiying Power has been dedicated to the research and manufacturing of lead-acid batteries. With 25 years of technical expertise and large-scale production capabilities, we have become a reliable power solutions provider for global clients. Our products have obtained CE (EU), UL (USA), RoHS, and other international certifications, and are widely used in UPS systems, motorcycle starting, energy storage, and more. With an annual production capacity of 15 million units and an annual output value exceeding 1 billion RMB, we have been ranked among Quanzhou’s Top 100 Taxpayers for five consecutive years. Our modern production base was featured in CCTV’s Craftsmanship and Innovation documentary, showcasing our manufacturing strength.

Core Strengths

25 Years of Technical Expertise, Ensuring Stable Quality

Kaiying Power’s Quanzhou Industrial Park spans 200,000 square meters, featuring two fully automated production facilities and over 1,000 professional technicians. We utilize German hydraulic welding equipment and Japanese CCD visual inspection systems to ensure voltage deviation within ±0.03V for each batch, with end-customer complaint rates consistently 60% below the industry average.

Customized Solutions for Diverse Needs

We deeply understand customer application scenarios and provide tailored solutions.

Motorcycle Batteries for Russia: Customized high CCA (Cold Cranking Amps) batteries for extreme cold climates, achieving a 98% success rate in starting at -30°C, earning high praise from local distributors.

Electronic Scale Batteries for Mexico: Developed low self-discharge batteries to meet the special requirements of electronic scales, extending service life by 30% in high-temperature environments, driving continuous repeat orders.

UPS Batteries: Customized high-rate discharge batteries for a Southeast Asian data center, operating flawlessly for 3 years in 40°C environments, achieving 100% customer satisfaction.

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Customer Service

We focus on rapid response and customized support, offering end-to-end services.

Technical Consultation: Professional team provides product adaptation advice and technical support within 24 hours.

Production Optimization: Adjust production processes based on customer needs to ensure both delivery timelines and quality standards are met.

After-Sales Support: A global service network ensures solutions for quality issues within 48 hours.

Contact Us

Visit http://www.kaiyingpower.com to view product and test report originals, and request a customized quotation.

Electronic scales are essential tools in commercial, industrial, and home settings, where precision and stability are highly dependent on the performance of the power source. Among various battery options, 4V4AH and 6V4AH lead-acid batteries have become the mainstream choice in the industry due to their unique advantages. As a leading manufacturer of lead-acid batteries, Kaiying Power explains the reasons behind this:

High Voltage Compatibility for Accurate Measurement

The circuit design of electronic scales typically requires stable low-voltage input (such as 4V or 6V) to ensure the precise operation of sensors and chips. The voltage output of 4V4AH and 6V4AH batteries perfectly matches the power requirements of electronic scales, preventing measurement errors caused by voltage fluctuations. This is especially critical in high-precision weighing scenarios, such as laboratories and pharmaceutical fields.

Balanced Capacity and Longevity

4AH Capacity: Provides long-lasting power, meeting the needs of electronic scales for extended standby or frequent use (e.g., retail checkout counters, logistics weighing stations).

Lead-Acid Battery Characteristics: Long cycle life and low self-discharge rate ensure stable power even when stored for long periods, reducing replacement frequency and maintenance costs.

Compact Design and Strong Adaptability

Electronic scales often have limited internal space. The compact size and lightweight design of 4V4AH and 6V4AH batteries allow them to be easily integrated into various electronic scale structures, catering to both portable and fixed devices.

High Safety and Environmental Adaptability

Lead-acid batteries remain stable in complex environments, such as overcharging, high temperatures, or vibrations, with no risk of explosion. This meets the safety requirements for electronic scales used in industrial workshops and outdoor settings. Kaiying Power's batteries are even more reliable, with IP67 protection ratings and RoHS certification, ensuring environmental friendliness and durability.

Cost-Effective Solution

Compared to lithium batteries, lead-acid batteries are more cost-effective while offering recyclable environmental advantages. This makes them particularly suitable for enterprises that need to deploy electronic scales on a large scale, such as supermarket chains and warehouse management.

Kaiying Batteries' Commitment

As a professional lead-acid battery manufacturer, we provide customized power solutions for global electronic scale brands:

Strict Quality Control: Fully automated production lines ensure consistency in every battery.

Quick Response: Support for model customization and bulk delivery.

Global Certification: Adherence to international standards such as CE, UL, and ISO9001 ensures quality and reliability.

Accompanied by the factory manager, the Indian customer went deep into the production workshop to learn more about the production process, quality control system and technological innovation of lithium batteries. The factory's professional technical team gave a comprehensive explanation to the customer on key indicators such as the performance advantages, safety measures and service life of lithium batteries, and demonstrated the product's charging and discharging performance and stability test on site.

Indian customers expressed high satisfaction with this inspection work and fully affirmed the professional level and rigorous attitude of Hefei Jubao New Energy Tech Co., Ltd. The two parties also had an in-depth discussion on the future expansion of cooperation in the Indian market, and look forward to bringing more high-quality and reliable lithium battery solutions to Indian consumers through continuous technological innovation and product optimization, and jointly promoting the vigorous development of the new energy industry in India.

This factory inspection not only deepened the mutual trust between the two parties, but also laid a solid foundation for Hefei Jubao New Energy Tech Co., Ltd. to further expand its overseas market. In the future, Hefei Jubao New Energy Tech Co., Ltd. will continue to uphold the concept of high-quality development, continuously improve product quality and service level, and work with global partners to create brilliance together.

 The 12V400Ah 5Kwh Battery Pack for RVs of Jubao New Energy Is Here! 

Jubao New Energy has brought you a new surprise - the newly produced 12V400Ah 5Kwh battery pack for RVs has made a brilliant debut!

We have a deep cooperation with Gotion, introducing its advanced technology and strict quality control system to carefully create high-quality battery products.

The biggest highlight of this battery pack is the amazing large capacity. The 5Kwh energy reserve is like a powerful energy treasury for your RV. It can easily meet various power demands on the RV, whether it's for lighting, cooking, or using various electrical appliances. With it, you don't need to worry about insufficient power during the journey. Whether it's a long-distance trip or camping in the wild, it can continuously and stably provide sufficient power support for your RV. Choosing this battery pack of Juba New Energy means choosing high quality and starting a worry-free RV journey. Come and experience it and enjoy the infinite wonderfulness of RV life!

Jubao New Energy

Do you own a low-speed vehicle, such as an electric bike or electric scooter? If so, you may find that Low-Speed Vehicle Battery life becomes a worrying issue. Fortunately, we have some simple ways to help you maintain and extend the life of your low-speed vehicle battery. Let's find out together!

Avoid overcharging and discharging: When using a low-speed vehicle, try to avoid overcharging and discharging the battery. Overcharging can cause the battery to overheat and lose capacity, while over-discharging can damage the battery's performance. So, when the battery is close to being exhausted, charge it in time to avoid long-term discharge or over-discharge.

Proper charging method: When charging, it is also important to choose the appropriate charging method. Use the charger provided by the original manufacturer or certified charging equipment, and avoid using an inappropriate charger to avoid damage to the battery.

Avoid high and low temperature environments: Batteries are sensitive to temperature, and too high or too low temperatures will have a negative impact on battery life. When storing batteries, choose a dry, ventilated place with a suitable temperature. In extreme weather conditions, try to avoid exposing the battery to overheating or over-cold environments for a long time.

Regular battery maintenance: Check the appearance and connection lines of the battery regularly to ensure that there is no damage or rust. Keep the battery dry and clean to prevent moisture from entering the battery. If you find any problems with the battery, ask a professional to repair or replace it in time.

Reasonable use of low-speed vehicles: The life of the battery of a low-speed vehicle is closely related to the way it is used. Try to avoid overloading and do not drive continuously at high speed for a long time. Reasonable use of low-speed mode and energy-saving mode can reduce the pressure on the battery and extend the battery life.

Fully charge and discharge: Try to keep the battery in the medium power range. Too frequent partial discharge and charging will cause additional pressure on the battery. So, don't always wait until the battery power is very low before charging, and don't always use the battery immediately after it is fully charged. Moderate charging and discharging is beneficial to extend the battery life.

By paying attention to the above tips, you can extend the life of the battery of a low-speed vehicle. Remember, maintaining the good condition of the battery is essential to ensure the reliability and long-term use of low-speed vehicles. I hope these tips can help you and enjoy longer low-speed travel!

With the increasing awareness of environmental protection and the demand for renewable energy, low-speed vehicle batteries have become a highly sought-after energy solution. Compared with traditional automotive batteries, low-speed vehicle batteries are very different in design and purpose.

First, low-speed vehicle batteries usually use lithium battery technology, while traditional automotive batteries usually use lead-acid battery technology. Lithium batteries generate current by the migration of lithium ions between positive and negative electrodes, while lead-acid batteries generate current through the chemical reaction between lead and sulfuric acid. Lithium batteries have significant advantages in energy density, charge and discharge efficiency, and life, so they are widely used in low-speed vehicles.

Second, low-speed vehicle batteries usually have a smaller capacity and lower voltage. Low-speed vehicles are mainly used for short-distance travel and urban driving, so the requirements for cruising range and maximum speed are relatively low. The design of low-speed vehicle batteries pays more attention to economy and practicality, using relatively small capacity battery packs to reduce costs and improve energy utilization.

In addition, low-speed vehicle batteries usually use a simpler management system. Traditional automotive batteries require complex battery management systems to monitor battery status, balance charge, and prevent overcharging and over-discharging. The management requirements for low-speed vehicle batteries are relatively low, and generally only simple protection modules are needed to ensure the safe operation of the battery.

In addition, the cost of low-speed vehicle batteries is relatively low. Traditional car batteries are expensive because they need to meet the requirements of high energy density and large capacity. Low-speed vehicle batteries have a smaller capacity and use relatively cheap lithium battery technology, making their cost more controllable and economical.

In summary, low-speed vehicle batteries are an energy solution designed specifically for urban travel and short-distance driving. Compared with traditional car batteries, they use lithium battery technology, simple design, low cost, and focus on economy and practicality. As the demand for sustainable travel increases, low-speed vehicle batteries are expected to be more widely used in the future.