SunArk solar lithium batteries enhance the efficiency, reliability, and flexibility of solar energy systems by storing and managing the generated electricity. They provide a means to optimize solar power utilization, reduce reliance on the grid, and improve energy resilience.
Brand:
SunArkMax charging current:
100AOperation Voltage:
42-54VdcLife cycles (80% DOD, 25%):
6000 CyclesLithium battery standard:
UL1642.IEC62619.UN38.3.ROHS.CE-EMCOperation temperature:
20°C to 60°C @60+-25% Relative HumidityStorage temperature:
o°C to 45*C @60+/-25% Relative HumidityStorage time / temperature:
5 months @ 25°C. 3 months @ 35*C: 1 month @ 45°C
A Solar lithium battery typically consists of several key components:
Lithium-Ion Cells: The primary energy storage component of a solar lithium battery is the lithium-ion cells. These cells contain lithium compounds and are designed to store and release electrical energy efficiently. Lithium-ion cells are lightweight, have a high energy density, and are commonly used in various electronic devices due to their superior performance.
Electrolyte: The electrolyte is a chemical substance that facilitates the movement of lithium ions between the positive and negative electrodes of the battery. It typically consists of a lithium salt dissolved in an organic solvent or a polymer gel. The electrolyte allows for the flow of ions while preventing the direct contact between the positive and negative electrodes.
Positive and Negative Electrodes: The lithium-ion cells have a positive electrode (cathode) and a negative electrode (anode). The positive electrode is typically made of lithium metal oxides, such as lithium cobalt oxide or lithium iron phosphate. The negative electrode is commonly composed of carbon-based materials, such as graphite.
Separator: The separator is a thin membrane that physically separates the positive and negative electrodes inside the battery. It allows for the movement of lithium ions while preventing the direct contact between the electrodes.
Current Collectors: Current collectors are metallic foils that collect and transfer the electrical current generated within the battery. They are typically made of materials that have excellent electrical conductivity, such as copper or aluminum.
Battery Management System (BMS): A solar lithium battery usually incorporates a battery management system, which monitors and controls the battery's voltage, current, temperature, and state of charge (SOC). The BMS ensures safe and efficient operation of the battery and helps optimize its performance and lifespan.
What functions does a solar lithium battery include?
Solar Power Storage: The primary function of a solar lithium battery is to store the excess electricity generated by solar panels. When the solar panels produce more electricity than is immediately required, the excess energy is stored in the battery for later use.
Load Shifting: Solar lithium batteries enable load shifting, which involves using stored energy during peak demand periods when electricity rates are higher or when solar power generation is insufficient.
Backup: Solar lithium batteries can provide backup power in the event of a power outage. This is particularly beneficial for off-grid systems or areas with unreliable grid infrastructure.
Power Smoothing: Solar power production can fluctuate due to factors such as varying sunlight intensity and cloud cover. Solar lithium batteries can help smooth out these fluctuations by absorbing excess power during high generation periods and releasing stored power during low-generation periods.
Peak Demand Reduction: By storing energy during off-peak periods and discharging it during peak demand periods, solar lithium batteries can help reduce peak demand on the electrical grid.
Grid Independence: Solar lithium batteries enable greater grid independence by increasing self-consumption of solar power.
How to choose a reliable LiFEPO4 battery cell?
Battery Chemistry: Lithium-ion batteries are commonly used in solar applications due to their high energy density, long cycle life, and good charge/discharge efficiency.
Capacity: Battery capacity is the amount of electrical energy a battery can store, typically measured in ampere-hours (Ah) or kilowatt-hours (kWh).
Cycle Life: Cycle life refers to the number of charge-discharge cycles a battery can endure before its capacity significantly declines. Higher cycle life is desirable as it ensures long-lasting performance and reduces the need for frequent battery replacements.
Efficiency: Battery efficiency influences the overall performance of a solar system. It determines how much energy is lost during charging and discharging processes.
Safety: Battery safety is crucial to prevent hazards like thermal runaway or fires. Consider batteries with built-in protection features like overcharge protection, over-discharge protection, short circuit protection, and temperature monitoring.
Manufacturer Reputation: Choose batteries from reputable manufacturers with a track record of producing reliable and high-quality products.
Price: Compare the prices of different battery options while considering the features, capacity, and performance.
How do we manufacture a complete solar lithium battery pack?
1. Calculate the exact battery bank capacity: Calculate the desired capacity and voltage for your battery bank based on your application needs.
2. Choose lithium batteries: Choose lithium batteries that meet your requirements and are designed for use in a rack configuration.
3. Choose a racking system: Select a racking system that is designed for the specific lithium batteries you are using.
4. Prepare the rack: Install the racking system and ensure it is securely mounted and stable.
5. Connect the batteries: Install the lithium batteries in the rack, following any guidelines provided by the battery manufacturer.
6. Configure the battery management system (BMS): If your lithium batteries require a BMS, install and configure it according to the manufacturer's instructions.
7. Test and verify: Once the batteries are properly racked and connected, perform thorough testing to ensure proper functioning and performance.
BTW, each battery will be charged to 100% before delivery.
FAQs:
Q1: Does SunArk support OEM/ODM?
A：Definitely, OEM&ODM service is supported with a certain quantity,including customize logo,package and label;
Q2: What's normally the production time?
A: The production time is normally 15 working days. but we will always prepare some stocks for popular models.
Q3: Can you provide DDP service？
A：Yes, if you are a personal customer and don't want to deal with the customs, we can provide DDP service to your address.
Q4: What about the warranty and how to claim?
A: Warranty period are 10 years since you receive the battery, our professional after-sales team will deal with all warranty issues.
With the booming of solar power systems, energy storage batteries demand has been increased Synchronously. SunArk developed deep cycle LiFEPO4 battery which have 6000 cycles life. the rack type design are more easire for customers to install and wiring. inside the battery, a 15S connection of ANC cells are used, also smart BMS to make sure it can communicate with solar inverters.
SunArk deep cycle rack mounted lithium batteries are mostly used in hybrid and off grid solar systems, with the ability to storage DC solar electricity in daytime and power the AC home loads at nightime through a solar inverter. by using 3.2V 100Ah battery cells, the output voltage can be set to 48V and 51.2V according to different requirements.
A long lifespan energy storage battery is crucial in solar systems, SunArk 48V 200Ah rack type lithium battery pack is consist of 30pcs 3.2V 100Ah ANC cells, total capacity 9600Wh, With long cycle life and warranty years reach 10 years. also it can be perfectly compatible with mostly branded inverters like Deye, Growatt, etc.
Racking lithium batteries refers to the process of arranging and organizing them in a specific configuration to create a battery bank. This is commonly done in applications that require a larger capacity and higher voltage than what a single lithium battery can provide. When racking lithium batteries, it's important to consider safety measures and the specific requirements of the batteries you are using.
A rack lithium battery refers to a configuration or arrangement of lithium batteries in a rack-like structure to create a battery bank with increased capacity and voltage. It involves organizing and connecting individual lithium battery cells together to form a larger and more powerful energy storage system.
A SunArk 48V energy storage battery refers to a battery system that operates at a nominal voltage of 48 volts. It is commonly used in various applications such as renewable energy systems, electric vehicles, and backup power systems.
SunArk 48V energy storage batteries are typically designed to provide a stable source of power and store energy for later use. They can be constructed using different chemistries such as lithium-ion, lead-acid, or nickel-cadmium, depending on the specific requirements of the application.
SunArk energy storage lithium batteries incorporate various safety features like battery management systems (BMS) for monitoring and controlling the battery's performance, protection circuits for preventing overcharging or overdischarging, and thermal management systems to maintain optimal operating temperatures. These additional components ensure the safe and efficient operation of the battery system.
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