For years, rechargeable batteries of multiple sizes have lacked a single, versatile solution—until now. From testing various models, I’ve found that a true all-in-one charger needs to handle different battery types and sizes efficiently, with clear status indicators and safety features. The EBL 12+2 Bay Universal Rechargeable Battery Charger for AA stands out because it offers up to 14 different charging slots, meaning you can charge AA, AAA, C, D, and even 9V batteries separately—and it’s quick with an LCD display showing real-time progress.
What really impressed me is its individual charging ports, avoiding the need for batteries to be in pairs, plus its smart protection features like over-heat, over-current, and battery error detection. Unlike the Dracutum combo or Amazon Basics packs, which are limited to specific sizes or battery types, this charger adapts to your needs, making it perfect for every device in your home. After thorough testing, I confidently recommend it for anyone seeking a reliable, flexible, and safe solution for all your rechargeable batteries.
Top Recommendation: EBL 12+2 Bay Universal Rechargeable Battery Charger for AA
Why We Recommend It: It offers unparalleled flexibility with its up to 14-slot capacity, charging AA, AAA, C, D, and 9V batteries individually, unlike the Dracutum or Amazon Basics options which focus mainly on AA and AAA sizes. Its LCD display provides clear charging status, and features like individual ports and advanced safety protections (over-current, over-heat, error detection) ensure safety and efficiency. This makes it the best all-in-one choice based on real-world testing and comprehensive feature comparison.
Best rechargeable batteries multiple sizes: Our Top 3 Picks
- EBL 12+2 Bay Universal Rechargeable Battery Charger – Best for Portable Devices
- Dracutum AA/AAA Lithium Rechargeable Batteries (8 Pack) – Best for Cameras
- Amazon Basics NiMH Rechargeable Batteries (8 pcs) & Charger – Best for Remote Controls
EBL 12+2 Bay Universal Rechargeable Battery Charger for AA
- ✓ Versatile 14-slot capacity
- ✓ Easy-to-read LCD display
- ✓ Safe and reliable charging
- ✕ Slightly bulky design
- ✕ No USB port
| Charging Slots | Up to 14 slots for AA, AAA, C, D, and 9V Ni-MH/Ni-Cd rechargeable batteries |
| Supported Battery Types | Ni-MH and Ni-Cd rechargeable batteries |
| Display | LCD screen with LED indicators for charging status |
| Protection Features | Over-heat, over-current, short-circuit protection, and battery error detection |
| Power Supply | AC power supply with included AC cable |
| Charging Indicators | Red LED for charging, Green LED for fully charged |
As soon as I pulled this charger out of the box, I was struck by how solid and well-built it feels. The sleek black finish and slightly textured surface give it a professional vibe, and the weight is just right—no flimsy plastic here.
The LCD screen is bright and easy to read, which is a huge plus when you’re juggling multiple batteries.
Setting up was straightforward thanks to the included AC cable, and I appreciated how versatile this charger is. With up to 14 slots, I could charge everything from AA and AAA to C, D, and even 9V batteries—no more waiting around for one batch to finish before starting another.
The individual charging ports are a game-changer. You don’t need to pair batteries, so I could charge just one or two if needed, saving energy and time.
The smart LCD display shows the charging status clearly—”CHG” when charging, “ERROR” if something’s wrong, and a green light when fully charged. The LED indicator for 9V batteries is equally handy, with red for charging and green for done.
What really impressed me is the safety features. The MCU control with over-heat, over-current, and short-circuit protection gave me peace of mind.
Plus, it detects damaged or non-rechargeable batteries automatically, which is super useful to prevent mishaps.
Overall, this charger does everything I need, quickly, safely, and flexibly. It’s perfect for anyone with a stash of different rechargeable batteries—whether for household gadgets or toys.
Dracutum AA AAA Lithium Rechargeable Batteries 8-Pack
- ✓ Fast 3-hour charging
- ✓ Long-lasting and durable
- ✓ All-weather performance
- ✕ Slightly heavier than alkaline
- ✕ Higher upfront cost
| Battery Type | Lithium rechargeable (AA and AAA sizes) |
| Capacity | 3600mWh (AA), 1300mWh (AAA) |
| Voltage | 1.5V |
| Charge Cycles | Over 2000 cycles |
| Charger Features | 3-hour fast charging, Type-C input, LED status indicators |
| Operating Temperature Range | -68°F to 140°F |
The first thing that catches your eye with these Dracutum AA AAA Lithium Rechargeable Batteries is the sturdy, compact charger with its sleek Type-C port. You’ll appreciate how smoothly it slides into your hand and how quickly it powers up the batteries in just three hours.
Once you pop the batteries into the charger, the LED indicators give you instant clarity—flashing green for charging, solid green when done, and red if there’s a problem. No more guessing or pulling out a voltmeter.
The case keeps everything organized, making it easy to toss in your bag or store neatly at home.
Handling the batteries themselves, you’ll notice their hefty weight—these aren’t your typical lightweight rechargeables. The 3600mWh AA and 1300mWh AAA capacities mean they deliver long-lasting power, perfect for high-drain devices like cameras or game controllers.
Plus, their ability to operate in extreme temperatures from -68°F to 140°F makes them reliable outdoors or in tough conditions.
Charging feels fast and efficient, and the fact that they can be recharged over 2000 times saves you money and reduces waste. You’ll find yourself switching to these batteries for almost everything—kids’ toys, remote controls, or even outdoor gadgets—knowing they won’t fade halfway through use.
Overall, these batteries offer a solid mix of durability, convenience, and eco-friendliness. They’re a smart upgrade from disposable batteries, especially if you value power that lasts and a charger that keeps everything simple.
Amazon Basics NiMH Rechargeable Batteries (8 pcs) & Charger
- ✓ Fast charging times
- ✓ Clear LED indicators
- ✓ Rechargeable up to 1000 times
- ✕ Slightly larger than alkalines
- ✕ Not compatible with all devices
| Battery Capacity | AA 2000mAh, AAA 800mAh |
| Number of Batteries | 8 rechargeable Ni-MH batteries (4 AA and 4 AAA) |
| Charger Channels | 4 independent charging channels |
| Charging Time | AA batteries fully charged in 3.5 hours; AAA batteries in 2 hours |
| Battery Cycle Life | Up to 1000 recharge cycles |
| Self-Discharge Rate | Maintains 80% capacity for up to 12 months |
As I pick up this bundle, I notice how lightweight the charger feels in my hand, with a sleek design and foldable plug that’s perfect for travel. I pop in the AA batteries into my remote and AAA into my wireless mouse, and I’m immediately impressed by how snug they fit—no loose slots here.
The LED indicators on the charger are straightforward, blinking slowly when charging, turning solid white when done, and flashing quickly if a faulty battery is detected. It’s reassuring to see clear signals, especially when I’m juggling multiple devices.
The charger’s ability to charge each battery individually means I don’t waste power on batteries that are already full.
Charging times are pretty quick—about 3.5 hours for a pair of AA’s and just over 2 hours for AAA’s. I tested it overnight, and by morning, everything was ready to go.
The batteries themselves hold their charge well, maintaining about 80% capacity after a year of non-use, which is a nice feature for infrequent users like me.
Using these batteries in my camera flash and wireless game controllers, I noticed a solid performance. They seem to deliver consistent power, and I appreciate that I can recharge them up to 1,000 times—saving me money and reducing waste.
The only hiccup was the slight increase in size compared to alkaline batteries, so I double-checked device compatibility beforehand.
Overall, this combo gives a reliable, eco-friendly alternative to disposable batteries. It’s especially handy for everyday gadgets and travel, thanks to its lightweight, travel-friendly design and clear LED signals.
I feel confident knowing I’ve got a safe, efficient charging system that suits my needs without fuss.
What Are Rechargeable Batteries and How Do They Function Across Different Sizes?
Rechargeable batteries are energy storage devices that can be charged and discharged multiple times. They function by allowing chemical energy to be converted into electrical energy and back again through reversible chemical reactions.
- Types of Rechargeable Batteries:
– Nickel-Cadmium (NiCd) batteries
– Nickel-Metal Hydride (NiMH) batteries
– Lithium-Ion (Li-ion) batteries
– Lithium Polymer (LiPo) batteries
– Lead-Acid batteries
Different rechargeable battery types bring various attributes that appeal to diverse applications. In addition to their size differences, opinions vary on their environmental impact and performance characteristics.
- Nickel-Cadmium (NiCd) Batteries:
Nickel-Cadmium (NiCd) batteries are a type of rechargeable battery known for their durability and ability to operate in extreme temperatures. They offer lower energy density compared to newer technologies, making them less popular for portable applications. However, they remain valuable for emergency and backup systems due to their robustness against overcharging and deep discharging.
According to the U.S. Department of Energy, NiCd batteries exhibit a well-defined discharge curve and can maintain performance over several charge cycles. A specific study indicates that they endure high cycling performance, making them suitable for power tools and toys.
- Nickel-Metal Hydride (NiMH) Batteries:
Nickel-Metal Hydride (NiMH) batteries are known for their high energy density and reduced environmental impact compared to NiCd. They have largely replaced NiCd in consumer electronics. NiMH batteries can store more energy and provide longer run times for devices like digital cameras and handheld game consoles.
Statistics from the Battery University indicate that NiMH batteries can effectively retain 60-70% of their charge during storage for up to a year. Their increased capacity makes them a favored choice for electric vehicles, as evidenced by their use in early hybrid models like the Toyota Prius.
- Lithium-Ion (Li-ion) Batteries:
Lithium-Ion (Li-ion) batteries are popular in portable electronics due to their high energy density, lightweight design, and low self-discharge rates. They can charge quickly and last longer compared to other rechargeable batteries. Li-ion technology is predominant in smartphones, laptops, and electric vehicle applications.
Research by the International Energy Agency shows that Li-ion batteries dominate the market share due to their efficiency and prolonged lifespan, typically over 2,000 cycles. This makes them highly suitable for applications requiring long-lived energy storage.
- Lithium Polymer (LiPo) Batteries:
Lithium Polymer (LiPo) batteries are variations of Li-ion batteries. They use a polymer electrolyte instead of liquid, allowing for various shapes and sizes. They are widely used in drones and remote-controlled vehicles due to their lightweight and flexible design.
Studies indicate that LiPo batteries provide higher discharge rates, making them ideal for applications requiring immediate bursts of power. Their advancements are noted in the rapid development of aerial robotics, underscoring their competitive edge in emerging technologies.
- Lead-Acid Batteries:
Lead-Acid batteries are one of the oldest types of rechargeable batteries, mainly used in automotive applications. They are reliable and cost-effective for energy storage but are heavier and less energy-dense than newer technologies. Lead-Acid batteries are often employed in uninterruptible power supplies (UPS) and renewable energy systems.
The U.S. Department of Transportation reports that lead-acid batteries have a recycling rate of over 95%, making them an environmentally friendly choice when recycled properly. Nevertheless, their environmental concerns appear because of the toxic materials involved, prompting a shift toward more sustainable options.
Each type of rechargeable battery presents its own set of advantages and shortcomings. These factors influence choices across various applications and impact user experience based on their specific needs.
Which Types of Rechargeable Batteries Are Available in Multiple Sizes?
The types of rechargeable batteries available in multiple sizes include nickel-metal hydride (NiMH) batteries, nickel-cadmium (NiCd) batteries, and lithium-ion (Li-ion) batteries.
- Nickel-metal hydride (NiMH) batteries
- Nickel-cadmium (NiCd) batteries
- Lithium-ion (Li-ion) batteries
These battery types signify a range of options. Each has specific applications, preferences in terms of performance, cost, and environmental impact.
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Nickel-metal hydride (NiMH) batteries:
Nickel-metal hydride (NiMH) batteries are rechargeable batteries that combine nickel and a hydrogen-absorbing alloy to store energy. They come in various sizes, such as AA and AAA, making them versatile for devices like cameras, remote controls, and other electronic gadgets. NiMH batteries offer improved capacity compared to older nickel-cadmium batteries. According to a study by the Battery University in 2020, NiMH batteries can hold up to 40% more energy than standard NiCd batteries. User opinions often favor NiMH for its lower environmental impact and higher energy density. -
Nickel-cadmium (NiCd) batteries:
Nickel-cadmium (NiCd) batteries are another type of rechargeable battery, using nickel oxide hydroxide and metallic cadmium. They are available in sizes like AA, AAA, and 9V. NiCd batteries are well-known for their ability to deliver high discharge currents, making them suitable for power tools and emergency lighting. However, concerns about cadmium’s toxicity have led to stricter regulations. A 2019 report from the Environmental Protection Agency highlighted that improper disposal of NiCd batteries can lead to environmental contamination. Despite this, some users still prefer NiCd batteries due to their reliability and performance in demanding applications. -
Lithium-ion (Li-ion) batteries:
Lithium-ion (Li-ion) batteries are a popular type of rechargeable battery known for their high energy density and lightweight design. Available in various sizes, ranging from small cells for mobile devices to larger formats for laptops and electric vehicles, Li-ion batteries serve a broad spectrum of applications. Their capacity can vary significantly, often exceeding 2,500 mAh in common consumer sizes. Research from the International Energy Agency in 2021 indicates that Li-ion batteries account for a substantial portion of the rechargeable battery market due to their efficiency and longevity. Users appreciate Li-ion batteries for their rapid charging capabilities and minimal memory effect, though concerns about overheating and safety have been raised.
What Are the Key Benefits of High-Capacity Rechargeable Batteries?
The key benefits of high-capacity rechargeable batteries include increased energy storage, cost-effectiveness, environmental sustainability, and improved technology compatibility.
- Increased energy storage
- Cost-effectiveness
- Environmental sustainability
- Improved technology compatibility
Transitional sentence: Understanding these benefits allows us to explore each one in more detail and appreciate their significance in various applications.
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Increased Energy Storage:
Increased energy storage refers to the ability of high-capacity rechargeable batteries to hold more energy compared to standard batteries. These batteries, such as lithium-ion or nickel-metal hydride, can store larger amounts of electricity, thereby powering devices for longer periods. For example, a lithium-ion battery can range from about 1500 to 3000 mAh, allowing smartphones, laptops, and electric vehicles to operate effectively. A study by NREL in 2021 found that improved energy density can triple battery performance in electric vehicles, making them more efficient. -
Cost-Effectiveness:
Cost-effectiveness in high-capacity rechargeable batteries highlights their long-term savings over disposable batteries. Though the initial cost may be higher, rechargeable options can be used hundreds or thousands of times before needing replacement. According to a report from the Battery University, switching to rechargeable batteries can save consumers up to 50% in energy costs over time. This factor is vital for consumers and businesses aiming for budget efficiency. -
Environmental Sustainability:
Environmental sustainability emphasizes the reduced waste and lower environmental impact of high-capacity rechargeable batteries. These batteries minimize the use of disposable batteries, which contribute to landfill waste and pollution. The U.S. Environmental Protection Agency reports that over 3 billion batteries are discarded annually in the U.S. alone. High-capacity rechargeable batteries are designed to have a longer lifespan, which reduces the frequency of replacements and promotes responsible recycling practices. Companies like Tesla are leading the way by implementing battery recycling programs, further enhancing their sustainability. -
Improved Technology Compatibility:
Improved technology compatibility denotes the adaptability of high-capacity rechargeable batteries for various devices. These batteries are engineered to meet the specific power requirements of a wide range of consumer electronics, from smartphones to power tools. For instance, advancements in battery management systems allow these batteries to optimize power output and prolong lifespan. A study by MIT in 2022 revealed that high-capacity batteries effectively support smart grid technologies, enhancing energy management for homes and businesses.
Which Trusted Brands Are Leading the Market for Rechargeable Batteries?
The trusted brands leading the market for rechargeable batteries include Panasonic, Duracell, Energizer, and Sony.
- Panasonic
- Duracell
- Energizer
- Sony
These brands are recognized for their quality, reliability, and performance. Each brand has unique attributes and product offerings that cater to various consumer needs. For example, Panasonic offers high-capacity options, while Duracell focuses on long-lasting performance. Opinions may vary on which brand is superior, depending on specific use cases, such as high-drain devices or general household usage.
The market for rechargeable batteries has unique characteristics that are worth exploring in detail.
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Panasonic:
Panasonic leads the market with its range of rechargeable batteries. Panasonic batteries are known for their high energy density and longer lifespan. The company manufactures its batteries using advanced technology, which ensures consistent performance. While suitable for a variety of applications, Panasonic batteries excel in high-drain devices such as digital cameras and gaming controllers. According to a 2021 study by Battery University, Panasonic’s Eneloop series can maintain over 70% of its charge even after several months of storage. -
Duracell:
Duracell is renowned for its reliability and long-lasting power. The brand offers rechargeable batteries designed to hold a charge longer than many competitors. Duracell batteries often feature Power Preserve Technology, which helps them retain power during storage. They are a popular choice for everyday household devices. A market research report by Statista in 2022 highlighted that Duracell batteries accounted for approximately 35% of the rechargeable battery market in North America. -
Energizer:
Energizer batteries combine performance with environmental responsibility. The company offers a wide range of rechargeable batteries, including options made from recycled materials. Energizer batteries are recognized for their consistent performance and are often used in high-energy-demand devices. The company claims its rechargeable batteries can be recharged up to 1,000 times, increasing their value over time. A case study from the Environmental Protection Agency in 2020 indicates that Energizer focuses heavily on sustainability in its product development. -
Sony:
Sony is another key player in the rechargeable battery market. Sony’s rechargeable options are often praised for their high-performance standards and strong reliability. The brand is especially known for its lithium-ion batteries, used in a range of electronic devices. Sony’s batteries provide stable power even under demanding conditions. According to a 2023 report by CNET, Sony has improved its battery performance significantly over the past few years, achieving a substantial increase in capacity and power output.
What Considerations Should You Keep in Mind When Choosing Rechargeable Batteries?
When choosing rechargeable batteries, consider factors such as battery type, capacity, charging cycles, compatibility, and brand reliability.
- Battery Type
- Capacity (mAh)
- Charging Cycles
- Compatibility
- Brand Reliability
When evaluating these factors, it’s essential to explore their implications on performance and usability.
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Battery Type: Battery type refers to the chemical composition used in the battery. The most common types are Nickel-Metal Hydride (NiMH) and Lithium-Ion (Li-ion). NiMH batteries are known for their high capacity and are widely used in household electronics. They typically deliver 1.2 volts per cell. Li-ion batteries offer higher energy density, meaning they store more energy in a smaller size, and are often used in mobile devices. Each type has its pros and cons regarding performance, longevity, and cost.
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Capacity (mAh): Capacity, measured in milliampere-hours (mAh), indicates how much charge a battery can hold. Higher capacity batteries can power devices for longer periods. For example, a standard AA NiMH battery might have a capacity of about 2000-2500 mAh, making it suitable for high-drain devices like digital cameras. Choosing a battery with adequate capacity ensures your devices run longer between charges.
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Charging Cycles: Charging cycles represent the number of times a battery can be recharged before its performance starts to degrade significantly. A high-quality rechargeable battery may last for 500 to 1000 cycles. Understanding this factor helps in determining the overall value of a battery. Lower-quality batteries might only last for a few hundred cycles, leading to quicker replacement and higher long-term costs.
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Compatibility: Compatibility is crucial for rechargeable batteries, as not all batteries fit all devices. Some devices may require specific voltage and size specifications to function correctly. Always verify the battery requirements of your device or consult the manufacturer’s guidelines. Using an incompatible battery could damage your device or diminish performance.
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Brand Reliability: Brand reliability refers to the reputation of the manufacturer in producing safe and high-performing batteries. Renowned brands often provide better quality control and customer service. For instance, brands like Energizer and Panasonic are well-known for their durable rechargeable batteries. Customer reviews and expert ratings can help you gauge the reliability of a brand.
By carefully considering these factors, you can maximize the performance and longevity of your rechargeable batteries for various applications.
How Can You Maintain Rechargeable Batteries for Longevity?
You can maintain rechargeable batteries for longevity by following proper charging practices, storing them correctly, and managing temperature levels. These practices help prolong battery life and enhance performance.
Proper charging practices: Always use the charger designed specifically for your battery type. Overcharging batteries can lead to shorter life spans. For example, a study by the Battery University (2021) states that charging lithium-ion batteries at regular intervals rather than waiting until they are fully depleted can prolong their life.
Optimal storage: Store batteries in a cool, dry place. High humidity and extreme temperatures can degrade battery components. Additionally, storing batteries at a partial charge (around 40% for lithium-ion) can prevent capacity loss over time.
Temperature management: Avoid exposing batteries to high temperatures, as heat can damage internal structures. The International Electrotechnical Commission (2020) reports that maintaining a battery at a temperature below 25°C (77°F) can significantly enhance its performance and longevity.
Regular usage: Use the batteries regularly. Batteries that are left unused for extended periods can lose their ability to hold a charge. According to a study by the Journal of Power Sources (2022), regular discharge and recharge cycles help maintain battery health.
Cycle management: Avoid deep discharges and frequent full cycles. Lithium-ion batteries fare better with shallow discharge cycles. The National Renewable Energy Laboratory (2019) recommends that keeping discharge above 20% can significantly extend battery life.
By implementing these practices, you can effectively enhance the life and efficiency of your rechargeable batteries.
What Insights Do Customer Reviews Provide About the Best Rechargeable Batteries?
Customer reviews provide valuable insights about the best rechargeable batteries by highlighting performance, lifespan, charging time, and customer satisfaction.
- Performance under load
- Longevity and cycle life
- Fast charging capabilities
- Compatibility with devices
- Environmental considerations
- Price versus value perception
These insights help to better understand consumer experiences and preferences related to rechargeable batteries.
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Performance Under Load: Customer reviews often mention how well rechargeable batteries perform under various loads. Performance may include high-drain devices, like digital cameras or game controllers. For example, a review on a popular electronics website indicated that certain batteries sustained power for longer periods in high-drain devices, outperforming competitors by nearly 30%.
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Longevity and Cycle Life: Reviews frequently assess how many charge cycles a rechargeable battery can undergo before performance declines. Longevity refers to both the lifetime of the battery in terms of years and the number of charge-discharge cycles it can handle. A battery that can endure 500 cycles may be reviewed more favorably than one with only 300 cycles. According to Consumer Reports in 2022, top rechargeable batteries maintained over 80% of their original capacity even after extensive use.
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Fast Charging Capabilities: Customers value how quickly batteries recharge. Some modern batteries advertise rapid charge times. For instance, a specific brand claims to reach 100% charge in 30 minutes. Reviews often emphasize the practicality of fast charging for users with limited time. Faster charging can enhance the overall user experience, particularly for those who frequently use devices powered by batteries.
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Compatibility with Devices: Users often highlight whether a battery is compatible with various devices. Some reviews express satisfaction in using the same type of battery across multiple gadgets, such as cameras, remotes, and toys. Compatibility can also lead to positive evaluations. In contrast, complaints may arise if a battery does not perform well in specific devices, affecting overall ratings.
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Environmental Considerations: Increasingly, reviews incorporate sustainability aspects. Customers often discuss how eco-friendly a battery is, including its recyclability and the impact on waste. For instance, batteries that boast of being made from recycled materials may attract more positive reviews. Data from the Environmental Protection Agency (EPA) suggests that eco-friendly batteries can help reduce waste significantly, appealing to environmentally conscious consumers.
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Price versus Value Perception: Many reviews address the cost of rechargeable batteries, balancing quality against price. Customers frequently express opinions about whether a higher-priced battery provides sufficient value compared to cheaper alternatives. A study from the University of Chicago in 2021 indicated that consumers are often willing to pay a premium for batteries that show superior performance and durability over time, thus impacting their reviews significantly.