Amidst the global energy transition, commercial and industrial (C&I) energy storage systems are becoming a powerful tool for businesses to achieve cost reduction and enhance energy management. Today, we’ll take a deep dive into a typical 100kW/215kWh C&I energy storage system to see how its powerful features and flexible operating modes can create tangible value for businesses.

Core Functions: Safety and Stability as the Foundation

The primary design principle of this energy storage system is to ensure the safety and stability of the power grid. It is equipped with two key functions:

• Anti-islanding: This is one of the most critical safety features of an energy storage system. When a grid fault or blackout occurs, the system immediately disconnects from the grid, preventing power from being fed back and thereby protecting maintenance personnel and equipment.
• Black Start: In the event of a complete grid outage, the energy storage system can use its stored energy to independently start up and supply power to critical loads. This ensures operational continuity, making it ideal for applications requiring uninterrupted power, such as data centers and hospitals.

Operating Modes: Flexible and Dynamic for Maximum Profit

The true value of an energy storage system lies in its flexible operating modes. It can intelligently switch modes based on different electricity tariffs and power needs to maximize profitability:

• Peak Shaving & Valley Filling: This is the most classic mode. The system charges during off-peak hours (usually at night) when electricity prices are low and discharges during peak hours (typically during the day) when prices are high. This “buy low, sell high” strategy effectively reduces a company’s peak electricity costs and significantly lowers overall utility bills.
• Time-of-Use Arbitrage: Similar to peak shaving, this mode focuses on capitalizing on price differences across various time slots. The system automatically determines the optimal charging and discharging times to maximize economic returns.
• PV/Wind Prioritized Savings: For businesses with existing solar or wind power systems, the energy storage system works in synergy with them. It prioritizes the use of clean energy generated during the day. When there’s excess power, it stores the surplus for use at night or on cloudy/windy days, maximizing the use of renewable energy and reducing reliance on the grid.
• Off-grid Supply for Remote Areas: In remote areas with no grid access or unstable power supply, the system can function as a standalone power source, providing a stable and reliable electricity supply to the load.

Application Scenarios: Covering Diverse Needs

Thanks to its flexible operating modes, this 100kW/215kWh energy storage system can be widely applied in various scenarios, providing solutions for different types of projects:

• Solar-plus-Storage Projects: Complements existing solar power plants by increasing self-consumption rates and addressing the intermittent nature of solar generation.
• Wind-plus-Storage Projects: Solves the instability of wind power by storing generated electricity and providing a smooth, consistent output when needed.
• Solar-Wind-Storage Projects: Combines the advantages of both solar and wind power to create a more stable and efficient microgrid system.
• EV Charging Stations with Storage: In EV charging stations, the storage system acts as a buffer. It can charge during low-demand periods and discharge during peak charging times, relieving grid pressure and lowering the charging station’s operating costs.
• Grid Sale Projects: In regions that permit selling power back to the grid, the system can sell its stored energy or surplus generated power, creating an additional revenue stream.

This 100kW/215kWh C&I energy storage system is more than just a piece of equipment; it’s an intelligent energy management solution. It empowers businesses to take control of their power consumption, achieving genuine energy savings, increased efficiency, and cost reduction in an era of rising energy costs.

If you are interested in C&I energy storage systems or are considering implementing this technology for your business, please contact us.

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Introduction

As the core component of modern electronic devices, lithium batteries significantly impact our daily lives. Their lifespan directly influences the performance and longevity of devices such as electric vehicles and energy storage systems. So, what factors contribute to the degradation of lithium batteries? This article will delve into the root causes of battery degradation and highlight the advantages of ELFBULB POWER batteries, providing practical tips to extend their lifespan.

Factors That Shorten Lithium Battery Lifespan

• Overcharging and Over-discharging: Frequently charging the battery to its full capacity or completely draining it can accelerate battery degradation.
• High Temperatures: Elevated temperatures accelerate the chemical reactions within the battery, leading to capacity loss.
• Low Temperatures: Cold temperatures reduce battery activity and affect charging and discharging efficiency.
• Fast Charging: Frequent use of fast charging can generate excessive heat, accelerating battery aging.
• Physical Damage: Physical impacts, such as squeezing, collisions, or punctures, can damage the internal structure of the battery.
• Battery Aging: Even under normal conditions, lithium batteries naturally degrade over time.

How to Extend the Lifespan of ELFBULB POWER Batteries

• Proper Charging: Avoid overcharging and over-discharging; keep the battery between 20% and 80% capacity.
• Control Temperature: Store the battery in a cool, dry environment and avoid exposing it to extreme temperatures.
• Use the Correct Charger: Use the original charger provided by ELFBULB POWER to ensure safe charging.
• Limit Fast Charging: Minimize the use of fast charging to reduce heat generation.
• Regular Calibration: Periodically fully discharge and recharge the battery to maintain its activity.
• Handle with Care: Avoid short circuits, water ingress, and other physical damage.

Advantages of ELFBULB POWER Batteries

• Customization: ELFBULB POWER offers customized lithium battery solutions, allowing for flexible adjustments to capacity, size, voltage, and other parameters based on customer needs.
• High-Quality Materials: High-quality battery materials are used to ensure excellent performance and longevity.
• Strict Quality Control: Each battery undergoes rigorous testing and inspection to guarantee consistent product quality and reliability.
• Wide Range of Applications: ELFBULB POWER batteries are widely used in energy storage systems, electric vehicles, power tools, and more.

Conclusion

Extending the lifespan of lithium batteries requires a comprehensive approach, including proper charging habits, a suitable operating environment, and the selection of high-quality battery products. ELFBULB POWER, as a professional lithium battery manufacturer, is committed to providing customers with high-quality, high-performance lithium battery products. By choosing ELFBULB POWER batteries and following the recommended usage guidelines, you can maximize battery lifespan and improve the overall performance of your devices.

Lithium batteries have become an indispensable part of our daily lives, powering everything from smartphones to electric vehicles. However, like any battery, lithium batteries have a limited lifespan. Understanding how to calculate lithium battery run time is crucial for getting the most out of your batteries and extending their lifespan.

Factors Affecting Lithium Battery Run Time

Lithium battery run time depends on several factors, including:

• Battery Capacity: Measured in ampere-hours (Ah), it represents the amount of electricity the battery can store. The higher the capacity, the longer the run time.
• Discharge Current: Measured in amperes (A), it represents the current the battery provides. The higher the current, the shorter the run time.
• Operating Voltage: Measured in volts (V), it represents the voltage the battery provides. The higher the voltage, the lower the current required, and therefore the run time may be longer.
• Ambient Temperature: Lithium batteries last longer in warmer environments and shorter in colder environments.
• Battery Aging: Over time, lithium batteries lose capacity, leading to shorter run times.

Lithium Battery Run Time Calculation Formula

The most basic lithium battery run time calculation formula is as follows:

Run Time (hours) = Battery Capacity (Ah) / Discharge Current (A)

For example, if you have a 2000 mAh lithium battery and a 1A discharge current, the run time would be:

Run Time (hours) = 2000 mAh / 1A = 2 hours

However, this formula only provides a rough estimate. Actual run time may vary due to the other factors mentioned above.

More Accurate Calculation

For a more accurate calculation of lithium battery run time, you can use the following formula:

Run Time (hours) = Battery Capacity (Ah) * Operating Voltage (V) / (Discharge Current (A) * Average Voltage (V))

The average voltage is usually slightly lower than the nominal voltage, typically between 3.7V and 4.2V, depending on the battery type.

Using Online Calculators

There are also many online lithium battery run time calculators available that can simplify the calculation. These calculators will typically ask you for specific information about your battery and device and provide a more accurate run time estimate.

Tips for Extending Lithium Battery Run Time

Here are some tips for extending lithium battery run time:

• Reduce Screen Brightness: The screen is a major power drain. Lowering the brightness can significantly extend battery life.
• Close Unused Apps and Features: Even in the background, many apps and features consume power. Closing unused apps and features can help save power.
• Use Wi-Fi Instead of Cellular Networks: Cellular networks consume more power than Wi-Fi. Connect to Wi-Fi whenever possible to extend battery life.
• Avoid Extreme Temperatures: Lithium batteries last shorter in extreme temperatures. Do not expose your device to direct sunlight or hot or cold environments.
• Update Software Regularly: Software updates often include battery optimizations. Make sure your device is always running the latest software version.
• Replace Old Batteries: Over time, lithium batteries lose capacity. If your battery run time has shortened significantly, it may be time to replace it with a new one.

Lithium battery cells have become an indispensable part of modern life, powering our smartphones, laptops, electric vehicles, and even large-scale energy storage systems. However, with the vast array of lithium battery products available, selecting a high-quality lithium battery cell can be a daunting task. This article will delve into the world of lithium battery cells, providing you with comprehensive knowledge and a step-by-step guide to help you make an informed decision.

1. Demystifying Lithium Battery Cells

At the heart of every lithium battery lies the lithium battery cell, composed of a positive electrode, a negative electrode, an electrolyte, and a separator. The chemical reaction between the positive and negative electrode materials generates electrical energy, while the electrolyte facilitates ion transport, and the separator prevents direct contact between the electrodes, ensuring safe operation.

Lithium battery cells can be categorized into three main types based on their shape: cylindrical, prismatic, and pouch cells, each with its own set of advantages and drawbacks.

• Cylindrical batteries: Compact, high energy density, low cost, but relatively lower safety.
• Prismatic batteries: Enhanced safety, efficient heat dissipation, customizable, but slightly lower energy density.
• Pouch batteries: Flexible, lightweight, highly customizable, but larger in size.

2. Renowned Lithium Battery Cell Brands

The global lithium battery cell industry is populated by numerous outstanding manufacturers, some of which have established themselves as industry leaders and gained the trust of consumers:

• CATL (Contemporary Amperex Technology Limited): A Chinese powerhouse, the world’s largest producer of power batteries, leading the way in technology and production capacity.
• BYD (Build Your Dreams): A prominent Chinese(New Energy Vehicle) manufacturer, boasting a complete lithium battery supply chain and excelling in cost control.
• Gotion High-Tech: A distinguished Chinese lithium battery company specializing in power battery manufacturing, holding a competitive edge in prismatic batteries.
• EVE Energy: A prominent Chinese lithium battery enterprise primarily focused on the production of lithium iron phosphate batteries, offering exceptional cost-performance.
• CALB (China Aviation Lithium Battery): A Chinese military enterprise at the forefront of lithium battery technology for aerospace applications.
• Envision Power: A well-known new energy company in China, focusing on the R&D and manufacturing of energy storage batteries, it has launched energy storage battery core products with high safety, long life and high energy density.
• Hithium: A well-known lithium battery company in China, focusing on the R&D and manufacturing of energy storage batteries, it has launched cost-effective large-capacity energy storage battery products.

3. Selecting the Ideal Lithium Battery Cell: A Comprehensive Guide

When making your choice of a lithium battery cell, carefully consider the following factors based on your specific needs:

• Application Scenario: Different applications demand varying battery performance characteristics. For instance, electric vehicles require high energy density batteries, while energy storage systems prioritize long lifespans and high safety standards.
• Performance Metrics: Pay close attention to crucial battery specifications such as energy density, cycle life, charging speed, and operating temperature range.
• Brand and Price: Opting for reputable brands ensures quality and售后服务(after-sales service). Simultaneously, balance your budget with product performance to select the most cost-effective option.

4. Frequently Asked Questions (FAQs) about Lithium Battery Cells

1. Can lithium battery cells explode?

Answer: Theoretically, any battery can explode; however, lithium battery cells are relatively safer. By choosing qualified products from reputable brands and adhering to proper usage and maintenance guidelines, the risk of explosion is minimized.

2. Are lithium battery cells allowed on airplanes?

Answer: Yes, but subject to airline regulations. Generally, passengers can carry no more than two lithium battery cells, each with a rated energy of no more than 270Wh.

3. How to maintain lithium battery cells?

Answer: Shield lithium battery cells from extreme heat and humidity, and maintain their performance through regular charging and discharging cycles.

Conclusion

Lithium battery cells play a pivotal role in technological advancements, significantly enhancing our lives. We hope this comprehensive guide has empowered you with the knowledge and tools to make informed decisions and select the most suitable lithium battery cell for your needs.

1. What is BMS?

A Battery Management System (BMS) is an electronic system designed to manage rechargeable batteries (individual cells or battery packs). It monitors and estimates various battery states, calculates secondary data, reports this information, and controls the battery environment to ensure safe usage and extend battery life.

2. Key Functions of BMS

2.1 Monitoring Battery State

• Voltage: Monitors total voltage, voltage of individual battery cells, or voltage at periodic sampling points.
• Temperature: Records average temperature, coolant inlet temperature, coolant outlet temperature, or temperature of individual battery cells.
• Current: Tracks battery charging and discharging currents.

2.2 Battery Charging Control

• BMS controls the battery charging process, including re-injecting recovered energy (e.g., regenerative braking energy) back into the battery pack.

2.3 Battery Thermal Management

• Passive or active methods are used for battery thermal management, with coolants ranging from air to liquids or phase-change materials.
• Air cooling is simple but less efficient, while liquid cooling offers higher heat dissipation potential but requires more complex systems.

2.4 Calculation of Secondary Data

• Minimum and maximum voltage of battery cells.
• State of Charge (SoC) or Depth of Discharge (DoD) to indicate battery charge level.

3. Importance of BMS

BMS is a critical component for ensuring safe battery operation and extending lifespan. It is widely used not only in electric vehicles but also in solar energy storage systems, drones, portable devices, and more.

Whether for environmental or economic reasons, optimizing battery performance and safety remains crucial. Ongoing BMS development and innovation will continue to drive advancements in battery technology.

Electric bikes have gained popularity in recent years as a convenient and eco-friendly mode of transportation. One key factor that determines the range of an electric bike is its battery capacity, typically measured in volts (V) and ampere-hours (AH). In this article, we will explore the range of an electric bike with a 48V 13AH battery and discuss factors that can affect how far you can go on a single charge.

Understanding Battery Capacity

The battery capacity of an electric bike is crucial in determining its range. A 48V 13AH battery means that the battery can deliver 48 volts of power at a rate of 13 ampere-hours. This translates to a total energy capacity of 624 watt-hours (48V x 13AH = 624Wh). The higher the watt-hour rating, the longer the range of the electric bike.

Factors Affecting Range

1. Terrain: Riding on flat terrain will typically give you a longer range compared to hilly terrain where the motor will have to work harder.
2. Riding Style: Aggressive acceleration and high speeds can drain the battery faster, reducing the overall range.
3. Weight: Heavier riders or those carrying loads will consume more power, leading to a shorter range.
4. Assist Level: The level of pedal assist or throttle usage can also impact the battery consumption.
5. Weather Conditions: Riding against strong winds, in extreme heat or cold, can affect the efficiency of the battery.

Average Range for 48V 13AH Battery

On average, a 48V 13AH battery can provide a range of 25-50 miles on a single charge, depending on the factors mentioned above. Some electric bikes with efficient motors and lightweight designs may achieve even higher ranges, while others with less efficient components may fall at the lower end of the spectrum.

Tips to Maximize Range

1. Maintain Optimal Tire Pressure: Properly inflated tires can reduce rolling resistance and improve efficiency.
2. Pedal More: Using pedal assist to supplement the motor can extend the range of the electric bike.
3. Avoid Excessive Weight: Minimize the load you carry on the bike to conserve battery power.
4. Regular Maintenance: Keep your electric bike well-maintained, including chain lubrication and brake adjustments, to ensure optimal performance.

In conclusion, the range of an electric bike with a 48V 13AH battery can vary depending on several factors. By understanding these factors and following tips to maximize range, you can make the most of your electric bike and enjoy longer rides on a single charge.