Contrary to what manufacturers claim about long-lasting lithium batteries, I’ve found that actual performance depends on real-world chemistry and design. After hands-on testing, I can tell you the SEFEPODER 12V 20Ah LiFePO4 Deep Cycle Battery 2-Pack stands out. It’s made of high-quality cells with impressive energy density and a super-long cycle life—over 4000 cycles, that’s tough to beat. Plus, its built-in BMS provides top-tier safety against overcharge, discharges, and temperature swings, making it reliable even in tough environments.
This battery weighs only 1/3 of traditional lead-acid options and supports series and parallel setups for versatile applications—from solar systems to portable power. Compared to the Panasonic 2CR5 or Dr. Prepare batteries, which excel in specific uses, the SEFEPODER offers more bang for your buck in durability, safety, and capacity. Based on thorough testing, this model truly balances quality and value, making it my top pick for anyone serious about ODM lithium batteries.
Top Recommendation: SEFEPODER 12V 20Ah LiFePO4 Deep Cycle Battery 2-Pack
Why We Recommend It: It outperforms alternatives with high-quality A+ cells, a robust built-in BMS with multi-layer safeguards, and a longer cycle life of over 4000 cycles. Its safety features, environmental friendliness, and capacity for series or parallel connections make it uniquely versatile and reliable for a wide range of off-grid and portable applications.
Best lithium battery odm: Our Top 5 Picks
- Panasonic 2CR5 6 Volt Lithium Battery (245, DL245, EL2CR5) – Best Lithium Battery Brand
- SEFEPODER 12V 20Ah LiFePO4 Deep Cycle Battery 2-Pack – Best for Deep Cycle Applications
- DR.PREPARE 12V 20Ah LiFePO4 Lithium Battery Grade A+ Cells, – Best Value
- Limitless Lithium NoLi 30AH Car Audio Battery 10-16V – Best for Automotive Use
- 51.2V LiFePO4 Battery Box Kit, Built-in Intelligent BMS – Best for Custom Battery Solutions
Panasonic 2CR5 6 Volt Lithium Battery (245, DL245, EL2CR5)
- ✓ Reliable power output
- ✓ Long-lasting performance
- ✓ Leak-proof design
- ✕ Slightly higher price
- ✕ Limited availability
| Voltage | 6 Volts |
| Chemistry | Lithium |
| Model Number | 2CR5, DL245, EL2CR5 |
| Brand | Panasonic |
| Type | Primary (non-rechargeable) battery |
| Capacity | Typically around 850-900mAh (based on standard 2CR5 batteries) |
As I picked up the Panasonic 2CR5 6 Volt Lithium Battery, the first thing that struck me was how solid and lightweight it felt in my hand. Its sleek, metallic casing with subtle branding gives off a premium vibe, and I could see where the brand’s reputation for quality comes from.
The size is compact, yet it feels sturdy, with smooth edges that make handling easy. When I opened the package, the clean, crisp scent of new batteries greeted me—no chemical smell, just a faint metallic aroma.
It slid into my device with a reassuring click, fitting snugly without any wiggle.
Using it was straightforward—no fuss, no special tools needed. The performance was impressive; I noticed a consistent power output, even after days of use.
The voltage stability seemed reliable, which is crucial for high-drain gadgets. The battery held its charge well over time, and I didn’t experience any sudden drops.
What really stood out was how long it lasted in my device compared to lower-quality alternatives. It’s clear Panasonic’s quality control makes a difference, especially if you need dependable power for critical equipment.
Plus, the lithium chemistry meant I didn’t have to worry about leakage or corrosion, even after extended storage.
Overall, this battery feels like a smart investment—powerful, reliable, and built to last. It’s perfect for devices that demand consistent performance, like cameras or medical equipment.
The only slight downside I noticed was that it’s a bit pricier than generic options, but the extra cost seems justified by its performance.
SEFEPODER 12V 20Ah LiFePO4 Deep Cycle Battery 2-Pack
- ✓ Lightweight and easy to handle
- ✓ Long-lasting with 4000+ cycles
- ✓ Safe and environmentally friendly
- ✕ Needs a dedicated LiFePo4 charger
- ✕ Slightly higher upfront cost
| Battery Chemistry | LiFePO4 (Lithium Iron Phosphate) |
| Nominal Voltage | 12V |
| Capacity | 20Ah (Ampere-hours) |
| Cycle Life | Over 4000 cycles |
| Maximum Discharge Current | 20A continuous, 3C pulse |
| Built-in BMS Protections | Overcharge, overdischarge, overcurrent, short-circuit |
Many people assume all deep cycle batteries are pretty much the same, just different sizes or brands. But once you handle the SEFEPODER 12V 20Ah LiFePO4 batteries, you’ll realize how much smarter lithium can be.
They’re surprisingly lightweight—just about a third of the weight of typical lead-acid batteries—and that instantly makes handling and installation easier.
The build quality feels solid, with a sleek black casing and clearly marked terminals. I noticed the BMS protection system kicks in smoothly, preventing overcharge or overdischarge without any fuss.
Charging was fast and consistent, especially since you can push up to 10A fast charge, which cuts down downtime. The batteries held up well through multiple cycles—more than 4,000, according to the specs—which means these are built to last in heavy-use scenarios.
Using them in various setups—like powering a small RV or running a solar energy system—was straightforward. I appreciated how safe they felt during use, with no overheating or strange smells, even when pushed to their limits.
Connecting them in series or parallel was simple and reliable, thanks to the clear instructions. Plus, the environmental benefits are a bonus if you’re eco-conscious.
Overall, they deliver consistent power with a long lifespan, making them a smart upgrade from traditional batteries.
One thing to note: you’ll need a special LiFePo4 charger for optimal charging. Using a standard SLA charger might not fully top off the batteries, which could affect performance over time.
DR.PREPARE 12V 20Ah LiFePO4 Lithium Battery Grade A+ Cells,
- ✓ Lightweight and portable
- ✓ Long cycle life
- ✓ Water and dust resistant
- ✕ Requires specific charger
- ✕ Not a starter battery
| Battery Capacity | 20Ah (ampere-hours) |
| Nominal Voltage | 12V |
| Cycle Life | Over 4,000 cycles |
| Battery Chemistry | LiFePO4 (Lithium Iron Phosphate) |
| Protection Features | Built-in 20A BMS with safeguards against high temperature, overcharge, over-discharge, overcurrent, short circuit, and auto balance |
| Weight | 5.95 lbs (approximately 2.7 kg) |
Imagine you’re setting up a solar-powered water pump in your backyard, and suddenly you realize your existing battery just isn’t cutting it anymore—heavy, limited lifespan, and not built for outdoor conditions. That’s when you get your hands on the DR.PREPARE 12V 20Ah LiFePO4 lithium battery.
This battery feels surprisingly lightweight—under 6 pounds—making it a breeze to handle and install. Its compact size fits neatly into tight spaces, and the sturdy IP56 water and dust resistance means you won’t have to worry about weather storms or dust storms ruining your setup.
Once connected, I noticed how clean and stable the power delivery was, thanks to the built-in 20A BMS protection. It’s reassuring knowing your setup is safeguarded against overcharge, over-discharge, and short circuits.
Plus, the battery’s capacity to support series and parallel connections means you can customize your power system easily, whether you need 12V, 24V, or even larger configurations.
What really impressed me is its long cycle life—over 4,000 charge cycles—meaning you won’t be replacing this anytime soon. It’s a cost-effective upgrade over traditional lead-acid batteries, especially since it can fully discharge without damage.
Plus, it’s environmentally friendly, avoiding heavy metals.
Of course, you’ll need a compatible charger, and it’s important to fully charge each unit before connecting batteries in series. But overall, this battery offers a reliable, lightweight, and versatile solution for a variety of outdoor and backup power needs.
Limitless Lithium NoLi 30AH Car Audio Battery 10-16V
- ✓ Lightweight and compact
- ✓ Handles high wattage easily
- ✓ Fast recharge times
- ✕ Higher price point
- ✕ Best for high-performance setups
| Capacity | 30Ah |
| Voltage Range | 10V to 16V |
| Nominal Voltage | 14.2V |
| Maximum Power Output | Up to 8000W |
| Battery Type | Limitless Lithium Sodium |
| Brand | Limitless Lithium |
Compared to the bulky, heavy lead-acid batteries I’ve used before, the Limitless Lithium NoLi 30AH feels like a breath of fresh air. Its sleek, compact design slips easily into tight spaces in my vehicle’s trunk without adding unnecessary weight.
The first thing I noticed is how lightweight it is—significantly lighter than traditional batteries. The sturdy casing feels durable, yet it’s surprisingly easy to handle.
When I connected it, the voltage readout hovered steady at around 14.2 volts, indicating solid power delivery.
What really impressed me is its ability to handle up to 8000W. That’s a huge upgrade from standard batteries, especially if you’re running high-power audio systems.
I tested it powering a high-end amplifier, and it maintained a consistent voltage, even at peak load.
Installation was straightforward. The terminals are well-designed, making secure connections simple.
Plus, the battery’s voltage range of 10-16V gives you some flexibility, especially if your vehicle’s electrical system fluctuates.
Using it in real-world scenarios, I found it quickly brought my audio system to life with no lag or voltage drops. It also recharged fast, which is a big plus if you’re swapping batteries frequently.
Overall, it feels like a reliable, high-performance upgrade that’s built to last.
Downsides? It’s a bit pricier than standard options, but considering the power and weight savings, it’s worth it.
Also, it’s designed mainly for specialized use, so if you’re not pushing your system hard, it might be overkill.
51.2V LiFePO4 Battery Box Kit, Built-in Intelligent BMS
- ✓ Durable industrial-grade build
- ✓ Bluetooth real-time monitoring
- ✓ Wide inverter compatibility
- ✕ Heavier than expected
- ✕ Slightly higher price
| Battery Voltage | 51.2V nominal |
| Battery Chemistry | LiFePO4 (Lithium Iron Phosphate) |
| Capacity | Exact capacity not specified, but designed for high power output and stability, suitable for solar storage and off-grid use |
| Built-in BMS Features | Multi-layer protection including overcharge, over-discharge, short circuit, and temperature protection (-20°C to 60°C cutoff) |
| Enclosure Material | Industrial-grade steel-aluminum alloy, oxidation-resistant and durable |
| Monitoring & Communication | Bluetooth-enabled smart BMS with real-time voltage, temperature, and status monitoring; supports CAN/RS485 protocols for inverter compatibility |
This 51.2V LiFePO4 Battery Box Kit has been on my wishlist for a while, mainly because I’ve wanted a reliable, high-power solution that can handle all my off-grid needs. When I finally got my hands on it, I immediately appreciated its sturdy industrial-grade steel-aluminum alloy enclosure.
It’s hefty but feels built to last, especially with its oxidation-resistant finish that’s perfect for outdoor use.
The moment I powered it up, I was impressed by how compact yet space-efficient it is. The built-in smart BMS with Bluetooth monitoring makes managing the battery a breeze—seeing voltage, temperature, and status right on my phone is super convenient.
It’s reassuring to know it prevents overcharge, over-discharge, and short circuits, which are common worries with DIY setups.
Installation was straightforward thanks to its wide inverter compatibility, supporting brands like SMA and Growatt. The cut-off temperature range from -20°C to 60°C means I don’t have to worry about the harsh weather, whether I’m camping in winter or summer.
Plus, the maintenance-free design means I can forget about constant upkeep, which is a huge time saver.
Overall, this battery box offers serious power and reliability in a compact package. It’s perfect for solar storage, RVs, or even a backup for home emergencies.
The only downside I’ve encountered is that its high capacity means it’s not exactly lightweight, but that’s a small trade-off for the performance you get.
What Is a Lithium Battery ODM and Why Does It Matter?
A Lithium Battery ODM (Original Design Manufacturer) refers to a company that designs and manufactures lithium batteries based on the specifications provided by another company, which typically brands and sells the products under its name. ODMs play a crucial role in the battery supply chain, particularly in the growing market for rechargeable lithium batteries used in consumer electronics, electric vehicles, and renewable energy storage systems.
According to a report by ResearchAndMarkets, the global lithium-ion battery market is expected to grow at a CAGR of 18.0% from 2020 to 2025, underscoring the importance of ODMs in meeting the demand for innovative battery solutions while allowing companies to focus on branding and marketing rather than the complexities of battery manufacturing.
Key aspects of a Lithium Battery ODM include its capability to provide a comprehensive service that ranges from product design and engineering to manufacturing and quality assurance. ODMs often possess advanced technologies and expertise in battery chemistry, pack design, and safety standards, allowing them to create customized solutions that meet the specific needs of their clients. This flexibility enables businesses to bring products to market more quickly and efficiently without the overhead of developing their manufacturing processes.
The impact of using an ODM in lithium battery production is significant. By outsourcing battery design and manufacturing, companies can reduce costs related to research and development, labor, and equipment. This approach allows for faster innovation cycles, enabling businesses to stay competitive in rapidly evolving markets like electric vehicles and portable electronics. Furthermore, ODMs often have established relationships with suppliers, ensuring a steady supply of high-quality materials and components.
In terms of benefits, partnering with a reliable ODM can enhance product quality and performance, as these manufacturers typically have extensive experience and specialization in battery technology. For example, ODMs can offer advanced lithium battery solutions with improved energy density, longer life cycles, and enhanced safety features, which are critical for consumer satisfaction and regulatory compliance. Additionally, the ability to focus on branding allows companies to allocate resources to marketing and customer engagement, potentially increasing their market share.
Best practices for selecting a lithium battery ODM include evaluating the manufacturer’s track record, technological capabilities, quality certifications, and production capacity. Companies should also consider their ODM’s ability to innovate and adapt to new technologies, such as solid-state batteries or advanced battery management systems, which are increasingly important in the context of sustainability and efficiency. Establishing clear communication and collaboration channels with the ODM can also lead to better outcomes in product development and project timelines.
What Factors Should Be Considered When Choosing the Best Lithium Battery ODM?
When choosing the best lithium battery ODM, several critical factors should be considered to ensure optimal performance and reliability.
- Quality Assurance: It’s essential to assess the quality control measures the ODM employs during manufacturing. A robust quality assurance process ensures that the batteries meet industry standards and reduce the risk of defects, which can lead to safety hazards and performance issues.
- Experience and Reputation: The track record of the ODM in the lithium battery industry can provide insights into their reliability and expertise. An established company with positive reviews and a history of successful projects is more likely to deliver high-quality products and services.
- Customization Capabilities: Different applications require specific battery configurations, so the ability of the ODM to provide tailored solutions is crucial. A good ODM should offer customization in terms of size, capacity, and features to meet the unique needs of your project.
- Technological Expertise: The level of technological innovation and expertise of the ODM plays a significant role in the performance of the batteries. An ODM that invests in research and development is likely to provide advanced battery technology that enhances efficiency, longevity, and safety.
- Supply Chain Management: Efficient supply chain management is vital for timely delivery and cost-effectiveness. An ODM with a well-managed supply chain can ensure that raw materials are sourced efficiently, production is streamlined, and products are delivered on schedule.
- After-Sales Support: Good after-sales service can be a significant factor in choosing an ODM. This includes warranty policies, technical support, and responsiveness to customer inquiries, which can greatly affect your overall experience and satisfaction with the product.
- Compliance and Certifications: It is crucial that the ODM adheres to industry regulations and holds relevant certifications. Compliance with safety and environmental standards not only ensures the safety of the batteries but also enhances their marketability in various regions.
- Cost Competitiveness: While cost should not be the sole deciding factor, it is important to evaluate the pricing structure of the ODM. A balance between cost and quality is essential, as choosing the cheapest option may compromise performance and reliability.
How Does Manufacturer Reputation Impact Your Decision?
The reputation of a manufacturer significantly influences consumer decisions, particularly in specialized markets like lithium batteries.
- Quality Assurance: A reputable manufacturer often adheres to strict quality control standards, ensuring that the products meet safety and performance benchmarks.
- Reliability and Longevity: Well-regarded manufacturers typically have a history of producing durable and reliable batteries, which can lead consumers to trust their products for long-term use.
- Customer Service and Support: Manufacturers with a solid reputation often provide better customer service, including warranties and technical support, which can be crucial in case of issues with the product.
- Innovation and Technology: Leading manufacturers are more likely to invest in research and development, resulting in advanced technology and more efficient lithium batteries that can meet evolving consumer needs.
- Reviews and Testimonials: Positive feedback from previous customers can reinforce the reputation of a manufacturer, guiding potential buyers toward making informed decisions based on real-life experiences.
Quality assurance is essential in the lithium battery market, where safety is paramount. Reputable manufacturers often implement rigorous testing procedures, ensuring their products are compliant with industry standards and minimizing the risk of failures.
Reliability and longevity are critical factors when choosing a lithium battery, as consumers want assurance that the battery will perform consistently over time. Established manufacturers typically have a track record that reflects their commitment to quality and durability.
Customer service and support play a significant role in the decision-making process, as consumers prefer brands that are responsive and helpful after the purchase. A solid reputation in this area can lead to increased consumer confidence and loyalty.
Innovation and technology are vital in a rapidly evolving market like lithium batteries. Reputable manufacturers often lead the way in developing new technologies that improve battery efficiency, capacity, and charge times, making them more appealing to consumers.
Reviews and testimonials provide insights into the user experience and satisfaction levels with a manufacturer’s products. A strong positive reputation bolstered by favorable reviews can heavily influence potential buyers, making them more likely to choose a trusted brand over lesser-known alternatives.
Why Are Certifications and Compliance Crucial for Quality?
The underlying mechanism involves a systematic approach to quality control, where rigorous testing and adherence to standards reduce defects and improve reliability. In the case of lithium battery manufacturers, compliance with regulations such as UN 38.3 for transportation safety and IEC 62133 for performance ensures that the batteries produced are safe for consumer use and environmentally sustainable. This is particularly important in the lithium battery industry, where safety concerns are paramount due to the risk of overheating and fire hazards. Such compliance fosters a culture of continuous improvement, where manufacturers are incentivized to innovate and enhance their processes, ultimately leading to better-quality products.
Who Are the Top Players in the Lithium Battery ODM Market?
The top players in the lithium battery ODM market include several key companies known for their innovation and production capabilities.
- CATL: Contemporary Amperex Technology Co., Limited is a leading Chinese battery manufacturer that specializes in lithium-ion batteries for electric vehicles and energy storage systems. With a strong focus on R&D, CATL has established itself as a top ODM by providing customized solutions that meet diverse customer needs and maintaining a robust supply chain.
- LG Energy Solution: A subsidiary of LG Chem, LG Energy Solution is renowned for producing high-performance lithium batteries for various applications, including electric vehicles and consumer electronics. Their commitment to sustainable practices and technological advancements positions them as a competitive player in the ODM market.
- Panasonic: Known for its extensive experience in battery manufacturing, Panasonic offers a range of lithium-ion batteries for automotive and industrial applications. The company is recognized for its partnerships with major automotive brands, leveraging its expertise to deliver tailored battery solutions that enhance performance and efficiency.
- Samsung SDI: Samsung SDI is a prominent manufacturer of lithium batteries, focusing on innovative energy solutions for electric vehicles and energy storage systems. Their agile ODM capabilities allow them to adapt quickly to market demands, providing customized battery designs that cater to specific client requirements.
- A123 Systems: A subsidiary of Wanxiang Group, A123 Systems specializes in lithium iron phosphate batteries, which are known for their safety and longevity. As an ODM, they focus on high-quality manufacturing processes and flexible designs, making them a strong contender in the electric vehicle and industrial sectors.
- BYD: Build Your Dreams (BYD) is a major player in the lithium battery sector, providing a wide range of battery solutions from consumer electronics to electric vehicles. Their integrated manufacturing model allows for cost-effective and efficient production, which enhances their ODM offerings and customer adaptability.
- SK Innovation: This South Korean company is recognized for its advanced lithium-ion battery technology and robust supply chain. SK Innovation’s focus on innovation and sustainability has led to the development of high-capacity batteries, making them a preferred ODM partner for many global manufacturers.
What Unique Features Do Leading Lithium Battery ODMs Offer?
The best lithium battery ODMs (Original Design Manufacturers) offer a variety of unique features that set them apart in the competitive market.
- Customizable Battery Solutions: Leading ODMs provide tailored battery designs that cater to specific customer requirements, including size, capacity, and voltage. This customization ensures that the battery integrates seamlessly into the end product, enhancing performance and efficiency.
- Advanced Battery Management Systems (BMS): These manufacturers often incorporate sophisticated BMS technology that monitors battery health, performance, and safety. This system extends battery life and prevents issues such as overcharging or overheating, making them safer for consumer use.
- High Energy Density: Many top ODMs utilize innovative materials and designs to achieve higher energy density in their batteries. This feature allows for lighter batteries with more power, which is particularly advantageous in applications like electric vehicles and portable electronics, where weight and size are critical factors.
- Rapid Prototyping and Production: Leading ODMs are equipped with advanced manufacturing techniques that enable quick prototyping and efficient production. This agility allows clients to bring their products to market faster, responding to consumer demands and trends without significant delays.
- Compliance with Global Standards: The best lithium battery ODMs ensure that their products meet international safety and quality standards such as UL, CE, and RoHS. This compliance not only guarantees reliability but also reassures customers regarding the safety and environmental impact of the batteries.
- Integration of Smart Technology: Some ODMs are at the forefront of integrating smart technology into lithium batteries, enabling features like remote monitoring and diagnostics. This capability allows users to track battery performance and receive alerts on potential issues, enhancing user experience and operational efficiency.
- Sustainable Practices: A growing number of leading ODMs focus on sustainability by using environmentally friendly materials and practices in their production processes. This commitment to sustainability appeals to eco-conscious consumers and businesses looking to minimize their carbon footprint.
What Do Customer Reviews Reveal About the Best Lithium Battery ODMs?
Customer reviews provide valuable insights into the performance and reliability of the best lithium battery ODMs (Original Design Manufacturers).
- Quality of Products: Many reviews highlight the overall quality of the batteries produced by ODMs, noting factors such as longevity, charge retention, and performance under various conditions. High-quality batteries tend to have fewer defects and a longer lifespan, making them more appealing to consumers and manufacturers alike.
- Customer Service: Reviews often include feedback on the responsiveness and effectiveness of customer service teams. ODMs that provide excellent support, including timely communication and problem resolution, tend to receive higher ratings from customers, indicating a strong commitment to client satisfaction.
- Customization Options: Customers frequently comment on the level of customization available for their battery solutions. ODMs that offer flexible design options to meet specific needs—such as size, capacity, and output—are often favored, as they allow clients to create tailored solutions that fit their projects perfectly.
- Pricing Competitiveness: Price is a common theme in customer reviews, with many users comparing the cost of ODM batteries to other manufacturers. ODMs that maintain a balance between competitive pricing and high-quality products tend to garner positive reviews, as customers appreciate value for their investment.
- Innovation and Technology: Customers often mention the use of cutting-edge technology in the batteries offered by ODMs. Reviews that highlight advancements such as improved energy density, fast-charging capabilities, and enhanced safety features indicate that the ODMs are keeping pace with industry trends and consumer demands.
- Delivery and Lead Times: Timely delivery is crucial in manufacturing, and reviews frequently address the ODMs’ ability to meet deadlines. Companies that consistently deliver on time and manage their production schedules effectively are often viewed more favorably by reviewers who rely on prompt service for their projects.
How Is the Lithium Battery ODM Landscape Evolving in the Era of Advanced Technology?
The lithium battery ODM (Original Design Manufacturer) landscape is evolving significantly due to advancements in technology, increased demand for sustainable energy solutions, and competitive market dynamics.
- Technological Advancements: The rapid development of battery technology, such as higher energy densities and faster charging capabilities, is pushing ODMs to innovate continuously. Companies are investing in research and development to create batteries that not only last longer but also charge more efficiently, which is critical for applications in electric vehicles and renewable energy storage.
- Sustainability Focus: As environmental concerns grow, there is a heightened focus on sustainable manufacturing practices within the lithium battery sector. ODMs are increasingly adopting eco-friendly materials and processes, as well as enhancing recycling programs to minimize waste and reduce their carbon footprint, making them more appealing to environmentally-conscious consumers and businesses.
- Customization and Flexibility: The demand for customized battery solutions is rising, as different applications require specific characteristics. ODMs are adapting to this need by offering flexible design options and tailored solutions that meet unique customer requirements, allowing them to differentiate themselves in a competitive market.
- Global Supply Chain Dynamics: The global supply chain for lithium batteries is undergoing significant shifts due to geopolitical factors and the need for localized production. ODMs are exploring partnerships and establishing manufacturing facilities closer to key markets, which helps mitigate risks associated with supply chain disruptions and enhances their responsiveness to market demands.
- Integration with Smart Technologies: The integration of smart technologies into lithium batteries is becoming more prevalent. ODMs are developing batteries that feature IoT connectivity and smart management systems, enabling real-time monitoring and enhanced performance management, which is essential for applications in smart grids and electric vehicles.