Services

Established in 1995, PEC Technology (Thailand) Co., Ltd. stands as a premier provider of comprehensive power system and energy storage solutions [1]. With over 28 years of invaluable experience in power electronics and the battery business, led by Mr. Kasiean Sukemoke [2], we offer unparalleled engineering design services to develop robust, efficient, and reliable power infrastructures. Our commitment is to ensure the longevity and optimal performance of critical power assets, including UPS, emergency lighting, and various long and short-duration power backup systems [3]. As an official distributor of high-quality C&D products, our designs integrate cutting-edge technology and proven reliability [1].

Core Pillars of Our Engineering Design Service

Our engineering design process is meticulously structured to address every facet of your power system needs, from initial concept to detailed implementation specifications.

Strategic Battery Technology Selection

Choosing the right battery chemistry and design is paramount for system performance and longevity. Our expertise encompasses a broad spectrum of technologies:

• Conventional Lead-Acid Batteries: Including Lead-Calcium-Tin Alloy, Pure-Lead + Catalyst, Advanced Lead-Carbon, and Tubular types [3]. These offer varied design lives (3/5/10/10+ years) and moderate quality and price [3].
• Lithium-Ion Batteries (Li-ion): We design systems utilizing Lithium-Iron Phosphate (LFP), Lithium Nickel-Manganese-Cobalt (NMC), and Lithium Manganese-Oxide (LMO) [4]. These are chosen for their high cycle life (up to 6000 cycles for energy applications), extended service life (10-15 years at 25°C), compact and lightweight design, and improved thermal stability (thermal runaway temperature at 250°C) [4, 5]. Design considerations include SOC accuracy and careful price/quality assessment [5].
• Nickel-Based Batteries:
  • Nickel-Cadmium: Known for high cycle life (~1200 cycles), wide temperature range, and no thermal runaway issues due to aqueous electrolyte [6]. Our designs consider its need for a larger footprint, frequent maintenance, and non-environmentally friendly aspects [6].
  • Nickel-Zinc: Offers a service life of ~15 years and more cycle life (~500 cycles) for high power applications with a wide temperature range and no thermal runaway [6]. Designs must account for its higher cost and the necessity for a Battery Monitoring System (BMS) to prevent overcharge [6].
• Emerging Alternative Battery Technologies (Roadmap 2030):
  • Sodium-ion Batteries (SIBs): A cost-effective option for large-scale energy storage due to the abundance of sodium [7]. Our designs leverage their lower risk of thermal runaway (higher onset temperature of 200-250°C compared to LiBs at 150-200°C), non-flammable or less flammable electrolytes, and lower environmental impact [7-9].
  • Magnesium-Ion Batteries (MIBs): Considered for their enhanced safety with non-flammable electrolytes and no dendrite formation, along with high abundance and environmental benignity [10, 11]. While still in the research stage, they offer high theoretical specific capacity and energy density [12, 13].
  • Zinc-Ion Batteries (ZIBs): Suitable for Standby Power applications (UPS) due to high C-rate (up to 1C), high power density (up to 9,000 W/kg), and high safety from water-based electrolytes [14, 15]. Our designs address current challenges like dendrite growth and cathode material stability [14, 15].
  • Aluminum-ion Batteries (AIBs): Feature exceptionally high cycle life (>20,000 cycles), very fast charging (potentially minutes), and high C-rate (up to 180C) [16, 17]. The non-flammable and less corrosive electrolyte enhances safety, working well at room temperature [18].
  • All-Solid-State Lithium-ion Batteries (ASSLiBs): Represent the next generation, offering enhanced safety through non-flammable solid electrolytes, higher energy density (300-500+ Wh/kg), longer cycle life (800+ cycles), improved thermal stability, and reduced dendrite formation [19-22].
  • We also consider Zinc-Air (Zn-air) and Vanadium Redox Flow (V-REB) batteries for specific applications [23, 24].

Optimized System Architecture and Sizing

Our engineering designs focus on delivering optimal system performance and longevity through precise configuration:

• Current and Voltage Requirements: We meticulously size battery strings and overall systems, considering application-specific DC/AC voltage and current demands [25-27].
• Space Optimization: We design layouts that maximize energy density while adhering to space constraints [28]. VRLA batteries, for instance, are notably more compact than flooded types [29].
• Inter-Connector Design: Specifying appropriately sized inter-connector cables between battery blocks, rows, and racks ensures voltage balance across the system, crucial for uniform performance [30].
• Integration with Power Electronics: Our designs ensure seamless integration with UPS systems [31], rectifiers, and chargers, accounting for normal/float charge and discharge scenarios [32, 33].

Enhanced Safety and Reliability Integration

Safety and long-term reliability are engineered into every design:

• Material Selection: We prioritize components that enhance safety and durability. Our battery cases and covers are made from high-quality Polypropylene (PP), which is UL94-V0 flame retardant [34, 35]. PP offers superior impact resistance, chemical resistance, and lower water vapor transmission rate (WVTR) compared to ABS, significantly reducing water loss and extending battery life [34-40]. For example, a PP case can reduce water loss by approximately 75% compared to an ABS case over five years (182.5g vs. 730g) [39, 40].
• Pure Lead Technology: Our designs often specify C&D's Pure Lead Plus (PLP) and Pure Lead Max (PLM) VRLA batteries, which use 100% pure (virgin) lead for grids and active materials [41-46]. This design choice significantly reduces grid corrosion and self-discharge, extending design life up to 11-16 years at 25°C [41, 46].
• Catalyst Technology (PLM series): For VRLA batteries, our designs may incorporate catalyst technology to further balance internal cell chemistry, promote efficient oxygen-hydrogen recombination, and reduce water loss and gassing [46, 47]. This innovation can dramatically increase battery lifespan (e.g., from 8 years to over 15 years) and reduce internal resistance [34, 47, 48].
• Thermal Management: Our designs consider proper air circulation and spacing (approximately 0.5 inches or 1.25 cm between batteries) to ensure effective heat dissipation and prevent thermal runaway, a critical safety concern [49-52].
• Polarization Control: We design systems that aim to balance polarization on positive and negative electrodes, minimizing grid corrosion and preventing capacity loss over time [45, 53-57].

Proactive Monitoring and Maintainability Design

To ensure sustained performance and ease of management, our designs integrate advanced monitoring and facilitate maintenance:

• Battery Monitoring Systems (BMS): We design for the seamless integration of state-of-the-art BMS solutions, such as our BEMoS. BMS continuously monitors total system voltage, individual battery voltage, charge/discharge current, internal resistance (Ri), and temperatures [52, 58]. This enables real-time data analysis, proactive problem detection (e.g., high Ri, low cell voltage, thermal runaway indicators), and immediate alerts via pop-up, SMS, and email [52, 59-61]. BMS solutions are especially beneficial for large-scale UPS systems with high voltage and current demands [62].
• Maintainability Standards: Our designs adhere to international battery maintenance standards such as IEEE 450 for Vented Lead-Acid and IEEE 1188 for Valve Regulated Lead-Acid (VRLA) batteries [63]. This includes designing for accessible battery terminals for cleaning and torque checks, as well as clear battery numbering for easy identification during maintenance [30, 64].
• Site Preparation Guidelines: We provide design guidelines for site preparation, including recommendations for acid-resistant floor coatings and adequate lighting for maintenance tasks [49].

The PEC Technology Advantage in Engineering Design

Partnering with PEC Technology for your engineering design needs means leveraging decades of specialized expertise to achieve optimal power system performance. Our deep understanding of diverse battery chemistries, coupled with our rigorous design methodologies and commitment to quality, ensures that your power infrastructure is not only robust and efficient but also safe and long-lasting. By meticulously designing for reliability, safety, and maintainability, we help minimize downtime, maximize your investment, and deliver sustained operational excellence.

Contact PEC Technology (Thailand) Co., Ltd. today to discuss your battery engineering design requirements.

• Address: 181, 183 Sukontasawat Rd., Ladprao, Bangkok 10230 [65, 66]
• Email: sales@pectecth.co.th [65, 66]
• Phone Number: +66-2907-8521 [65, 66]
• Website: www.pectecth.co.th [65, 66]

Established in 1995, PEC Technology (Thailand) Co., Ltd. stands as a premier provider of comprehensive power system and energy storage solutions. With over 28 years of invaluable experience in power electronics and the battery business, led by Mr. Kasiean Sukemoke, we offer unparalleled installation services to ensure the robust, efficient, and reliable deployment of your power infrastructure [1-3]. Our commitment is to guarantee the longevity and optimal performance of critical power assets, including UPS, emergency lighting, and various long and short-duration power backup systems [4-7]. As an official distributor of high-quality C&D products, our installations integrate cutting-edge technology and proven reliability [2].

The Foundation of Reliability: Meticulous Installation

Proper installation is not merely a procedural step; it is the cornerstone of a power system's performance and lifespan. Meticulous installation practices are crucial for achieving maximum system reliability and the longest battery system life [8]. It helps prevent premature degradation, minimizes downtime, and ensures your power assets operate as designed for critical applications.

Our Comprehensive Installation Process

Our installation services are meticulously structured to address every facet of your power system deployment, adhering to industry best practices and standards.

1. Thorough Site Preparation

We provide comprehensive guidelines and conduct precise preparation of the installation environment [8].

• Ventilation & Lighting: We ensure that the battery room or installation area has adequate ventilation and sufficient lighting to support both operational efficiency and safe maintenance tasks [8]. Proper airflow is vital for heat dissipation and managing any gas evolution from batteries [8-10].
• Acid-Resistant Flooring: Recommendations include applying acid-resistant floor coatings (such as Epoxy) on battery racks and surrounding floor areas. This protection is essential to mitigate risks from potential electrolyte spills, particularly with vented (flooded) lead-acid batteries [8].
• Optimal Spacing: Batteries are precisely spaced (approximately 0.5 inches or 1.25 cm apart) on racks. This critical spacing facilitates effective heat dissipation and accommodates proper routing of inter-connector cables, preventing thermal issues that can severely shorten battery life [8, 11, 12].

2. Precision Battery Placement & Connections

Accuracy in placement and connection is paramount for uniform system performance.

• Battery Numbering: Each battery in a string is systematically numbered, typically starting from the positive terminal of the first battery. This clear numbering simplifies identification during routine maintenance and troubleshooting [13].
• Inter-Connector Sizing & Balance: We specify and install appropriately sized inter-connector cables between individual battery blocks, rows, and racks. Correct cable sizing is crucial for ensuring voltage balance across the entire battery string, which directly impacts uniform performance and extends battery lifespan [13]. Imbalances can lead to premature failure [14, 15].
• Terminal Care & Torque Checks: Battery terminals are thoroughly cleaned to reduce contact resistance [13]. All connections are tightened to precise torque specifications, and polarity checks are meticulously performed to ensure correct positive-to-negative connections [16]. Loose connections or incorrect polarity can lead to excessive heat, system malfunction, and safety hazards [17].
• Grounding Verification: Comprehensive grounding checks are conducted, verifying that the voltage between the battery terminals and any metallic structures is 0V, ensuring electrical safety [16].

3. Seamless System Integration

Our installation ensures the battery system integrates flawlessly with your existing power infrastructure.

• We integrate the newly installed battery banks with essential power electronics such as UPS systems, rectifiers, and chargers [7, 18].
• The installation includes the proper integration of circuit breakers or switches to allow for safe connection, disconnection, and isolation of the battery system when necessary [16].

4. Enhanced Safety and Material Excellence

Safety and long-term reliability are engineered into every installation.

• Flame Retardant Materials: We prioritize components made from materials that enhance safety and durability. Our battery cases and covers, for example, are constructed from high-quality Polypropylene (PP), which meets the UL94-V0 flame retardancy standard [19, 20]. PP offers superior impact resistance, chemical resistance, and, critically, a lower water vapor transmission rate (WVTR) compared to ABS [21, 22]. This significantly reduces water loss and extends battery life; for instance, a PP case can reduce water loss by approximately 75% compared to an ABS case over five years (182.5g vs. 730g) [23, 24].
• Managed Gassing: While VRLA batteries feature a highly efficient oxygen recombination process (up to 99% recombination rate), minimizing water loss and gas release [10, 25, 26], proper ventilation and air exchange are still designed into the installation to ensure safe operating conditions and prevent gas buildup [27].

The PEC Technology Advantage in Installation

Partnering with PEC Technology for your installation needs means leveraging decades of specialized expertise to achieve optimal power system performance.

• Proven Expertise: You benefit from over two decades of specialized knowledge in power electronics and battery systems, ensuring expert execution [3].
• Enhanced Reliability: Our meticulous installation practices significantly minimize risks associated with improper setup, ensuring the highest reliability for your critical power infrastructure [1, 8].
• Optimized Performance & Lifespan: Correct installation, combined with our in-depth understanding of battery technologies (including advancements like Pure Lead and Catalyst integration [28, 29]), ensures your batteries operate at peak efficiency and achieve their maximum design life [8, 29, 30].
• Compliance with Standards: Our installations adhere to stringent international battery maintenance standards, including IEEE 450 for Vented Lead-Acid batteries and IEEE 1188 for Valve Regulated Lead-Acid (VRLA) batteries [31]. This guarantees adherence to industry best practices and regulatory compliance.

Beyond Installation: A Holistic Approach

Our commitment extends beyond the initial setup. We offer comprehensive services, including ongoing maintenance and advanced Battery Monitoring Systems (BMS) (such as our BEMoS), to continuously optimize and safeguard your power assets [1, 32, 33]. BMS solutions provide real-time data on critical parameters like voltage, current, internal resistance, and temperature, enabling proactive problem detection and ensuring sustained performance throughout the battery's lifespan [33, 34].

Contact PEC Technology (Thailand) Co., Ltd. today to discuss your power system and battery installation requirements and ensure a reliable, long-lasting power solution.

• Address: 181, 183 Sukontasawat Rd., Ladprao, Bangkok 10230 [35]
• Email: sales@pectecth.co.th [35]
• Phone Number: +66-2907-8521 [35]
• Website: www.pectecth.co.th [35]

At PEC Technology (Thailand) Co., Ltd., founded in 1995, we understand that the reliability of your power and energy storage systems hinges on proactive care. With over 28 years of specialized expertise in power electronics and the battery business [1, 2], led by our founder Mr. Kasiean Sukemoke [1, 2], we offer comprehensive battery preventive maintenance services designed to maximize system reliability and extend the operational life of your battery assets [3]. Our services cover critical power infrastructure, including UPS systems, emergency lighting, and various long and short-duration power backup solutions [1].

Why is Battery System Maintenance Crucial?

Regular and meticulous preventive maintenance is not merely a best practice; it is essential for guaranteeing the longevity and optimal performance of your investment [3]. Effective maintenance ensures:

• Maximum System Reliability: Consistent performance and dependable power during emergencies or outages [3, 4].
• Longest Battery System Life: Prevention of premature degradation and optimization for maximum design life [3, 4].
• Timely System Adjustments: Indication of when to adjust the "system" (e.g., charger settings) [3].
• Proactive Cell Replacement: Indication of when to replace an individual cell before it impacts the entire system [3].
• Strategic System Replacement: Indication of when the entire battery system needs to be replaced [3].

Our Meticulous Preventive Maintenance Program

Our program encompasses a structured approach, from initial setup considerations to ongoing monitoring and detailed health analysis.

1. Foundational Installation Practices

While preventive maintenance focuses on ongoing care, proper initial installation is the bedrock of a battery system's health [3]. Our installation guidelines emphasize:

• Site Preparation: Ensuring the battery room or installation area has adequate ventilation and sufficient lighting for operational efficiency and safe maintenance [3].
• Protective Flooring: Recommendations for acid-resistant floor coatings (e.g., Epoxy) on battery racks and surrounding areas, especially for flooded batteries, to prevent damage from potential electrolyte spills [3].
• Optimal Spacing: Batteries are precisely spaced (approximately 0.5 inches or 1.25 cm apart) on racks to facilitate effective heat dissipation and proper inter-connector cable routing [3, 5].
• Connection Integrity: Thorough cleaning of battery terminals to reduce contact resistance [5], tightening all connections to precise torque specifications, and meticulous polarity checks [6]. Appropriate sizing of inter-connector cables is crucial for voltage balance across the battery string [5].
• Grounding and Integration: Verifying that voltage between battery terminals and metallic structures is 0V for electrical safety, and ensuring seamless integration with power systems via circuit breakers or switches [6].

2. Comprehensive Battery Maintenance Procedures

Our team conducts detailed inspections and measurements to assess battery health:

a. Initial Data Gathering & External Inspection

Before any hands-on work, our technicians collect vital information, including battery brand, model, manuals, and previous inspection data [6]. We record system type, charger, load, and the number of cells per string [6]. An external visual inspection checks for corrosion, swelling, electrolyte leaks, rust, or burn marks on terminals, batteries, and racks [7]. Any issues found are promptly addressed and cleaned [7].

b. Key Parameters Monitored

We meticulously monitor critical battery parameters, adhering to international standards such as IEEE 450 for Vented Lead-Acid batteries and IEEE 1188 for Valve Regulated Lead-Acid (VRLA) batteries [8, 9].

• i. System Voltage (Float Voltage):
  • Monthly measurement of the overall system voltage (from the positive terminal of the first battery to the negative terminal of the last) [8-10].
  • Ensuring the float voltage is correctly set according to the manual and compensated for temperature variations [8].
  • Undercharge (low float voltage) leads to batteries not fully charging, resulting in lower capacity and accelerated degradation [10].
  • Overcharge (high float voltage) accelerates grid corrosion, causes excessive gassing and water loss (dry-out), and can lead to thermal runaway (swelling) [10-12].
  • Ripple Voltage (Vac): Measured to ensure it does not exceed 0.5% of the DC voltage [13]. Abnormally high ripple voltage can indicate charger malfunction or system issues [13, 14].
• ii. Individual Cell/Block Voltage:
  • Quarterly measurement (every 3 months) of individual cell voltages [9, 13, 15].
  • Voltages should be consistent and close to the average system voltage [13]. Vented batteries typically have more consistent voltages (within ±0.05V per cell) than VRLA, especially new VRLA batteries in the first 6 months [13].
  • Abnormal voltages (too high or too low) indicate battery issues such as an uncharged battery, degraded capacity, shorted cells, or opened cells [15, 16].
• iii. Battery Current (Float Current & Ripple Current):
  • Float Current (Adc): Measured monthly while the battery is on float charge [9, 14]. A normal float current is very low (e.g., not exceeding 100mA/100Ah) [14]. C&D Pure Lead VRLA batteries typically have a lower float current (10mA/100Ah) compared to typical VRLA (40mA/100Ah) [17]. High float current can indicate incomplete charging, a shorted or hot battery, or an aged battery [12, 14].
  • Ripple Current (Aac): Should ideally not exceed 5% of the battery's Ah rating [14]. High ripple current can cause the battery to heat up and shorten its lifespan [14]. In UPS systems, higher Aac values are common [14].
• iv. Temperature (Ambient & Battery):
  • Ambient temperature is monitored monthly, ideally staying between 20-25°C for optimal battery life and efficiency [9, 18, 19]. High temperatures significantly shorten battery life; for every 8°C increase above 25°C, battery life is halved [18-21]. High temperatures also increase the risk of thermal runaway [11, 12, 18, 20, 21].
  • Battery temperature is measured quarterly (every 3 months) [9]. During float charge, battery temperature should be close to ambient, ideally within 1°C [18]. A cell that is 3°C hotter than adjacent cells indicates an abnormality [22].
• v. Internal Resistance / Ohmic / Conductance:
  • Quarterly measurement (every 3 months) of individual battery internal resistance (Ohms) or conductance (Siemens/Mhos) [9, 22, 23].
  • An increase in resistance (+30% to +50% from baseline) or a decrease in conductance (-20% to -40% from baseline) indicates battery degradation or failure [22, 23].
• vi. Specific Gravity (for Flooded Batteries):
  • For flooded (vented) lead-acid batteries, specific gravity of the electrolyte is measured to assess the state of charge [7, 12, 24].

c. Capacity Testing (Discharge Test)

This critical test involves discharging the battery at a specified current into a resistive load (dummy load) to determine its actual capacity [25].

• Procedure: Batteries are fully charged (at least 3 days float charge, or Equalize charge if recommended) [25]. All connections are tightened, and initial voltages and temperatures are recorded [25]. For VRLA, Ohmic values are recorded before discharge [25]. The battery is discharged at a constant current, and total voltage, current, and individual cell voltages are recorded at regular intervals [26]. After the test, the batteries are recharged using a spare charger at float or equalize voltage, limiting current to 0.1C [26].

3. Tools and Equipment for Maintenance

Our technicians utilize a range of specialized tools for accurate and safe maintenance:

• Digital Multi Meter (DMM) [7]
• Clamp meter [7]
• Thermometer [7]
• Hydrometer (for flooded batteries) [7]
• Torque wrench & block set [7]
• Ohmic tester [7]
• Flashlight, brass brush, cleaning cloths, soda bicarbonate, distilled water, and safety equipment [8].

The Advantage of Battery Monitoring Systems (BMS) - BEMoS

To elevate our preventive maintenance capabilities, PEC Technology offers advanced Battery Monitoring Systems (BMS), known as BEMoS (Battery Enterprise Monitoring System) [11, 27]. BMS significantly enhances reliability and reduces maintenance costs by providing [28]:

• Real-time Monitoring: Continuous measurement and display of total voltage, individual cell voltages, charge/discharge current, internal resistance (Ri), and battery/ambient temperatures [9, 11, 29]. BMS immediately alerts to abnormalities, adhering to IEEE 1188 monitoring parameters [9, 15, 20, 23].
• Proactive Problem Detection: Early detection of issues like high Ri, low cell voltage, or high temperature trends before they lead to system failure [20, 23, 28, 30].
• Data Logging & Analysis: Stores continuous data during float, charge, and discharge, allowing for historical trend analysis and troubleshooting [28, 31].
• Automated Alarms: Provides immediate notifications via pop-ups, SMS, and email for critical events, enabling rapid response [28, 32].
• Remote Monitoring: Allows access to battery data and status remotely via a web interface [32, 33].

BMS is especially beneficial for large-scale UPS systems with high voltage and current, where quick, short-duration discharges occur [28].

PEC Technology's Commitment to Your Power Infrastructure

Partnering with PEC Technology ensures your power systems benefit from decades of specialized knowledge and adherence to the highest industry standards. Our meticulous preventive maintenance, combined with the power of advanced Battery Monitoring Systems, significantly enhances the reliability and extends the maximum design life of your critical power assets [3, 4, 28]. We provide tailored solutions to meet diverse application needs, ensuring your operations remain uninterrupted.

Contact PEC Technology (Thailand) Co., Ltd. today to schedule your battery preventive maintenance and secure a reliable, long-lasting power solution.

• Address: 181, 183 Sukontasawat Rd., Ladprao, Bangkok 10230 [34-39]
• Email: sales@pectecth.co.th [34-39]
• Phone Number: +66-2907-8521 [34-39]
• Website: www.pectecth.co.th [1, 34-36]