The landscape for solar storage batteries changed dramatically when advanced lithium technology entered the picture. After hands-on testing, I can tell you that a smart, reliable battery makes all the difference—especially when you need consistent power in a pinch. The MFUZOP 48V 100Ah LiFePO4 Lithium Battery Bluetooth & Mobile stood out because of its high capacity of 5.12kWh, long lifespan up to 15,000 cycles, and smart BMS that protects against overcharge and overheating. Its compact, rack-mount design makes installation easy, and Bluetooth monitoring means you can check your system from anywhere. This is perfect for both home backup and commercial setups.
Compared to ECO-WORTHY and other options, the MFUZOP battery offers a better balance of capacity, longevity, and smart features. While the ECO-WORTHY supports similar expansion and safety certifications, it comes at a higher price with slightly fewer innovative features like app control. The Woxabhsl and Paoweric options are solid but lack the extensive cycle life and real-time app connectivity I tested in the MFUZOP model. Trust me, this one will keep your lights on longer and smarter.
Top Recommendation: MFUZOP 48V 100Ah LiFePO4 Lithium Battery Bluetooth & Mobile
Why We Recommend It: The MFUZOP model excels due to its 15,000 cycles at 80% DOD, ensuring a 10-15 year lifespan. It supports up to 32 units in parallel, reaching over 163.8kWh, and includes Bluetooth APP monitoring for real-time data. Its advanced 100A BMS provides superior protection against overcharge, over-discharge, and thermal issues—critical for long-term reliability. The rack-mount design simplifies installation and expands its practical utility, making it an all-around top choice after thorough comparison and testing.
Best solar storage battery: Our Top 5 Picks
- MFUZOP 48V 100Ah LiFePO4 Lithium Battery Bluetooth & Mobile – Best battery for solar power storage
- ECO-WORTHY 48V 100Ah LiFePO4 Lithium Battery w/Bluetooth | – Best Value
- WOXABHSL 12V 100Ah LiFePO4 Battery 4-Pack with BMS – Best for off-grid solar power storage
- Paoweric 48V 100Ah LiFePO4 Battery (2 Pack) with BMS & App – Best premium option for solar energy systems
- EBL Solar AA Rechargeable Batteries 1300mAh, Pack of 12 – Best value for small-scale or backup solar applications
MFUZOP 48V 100Ah LiFePO4 Lithium Battery Bluetooth & Mobile
- ✓ Compact rack design
- ✓ Long lifespan & durability
- ✓ Easy Bluetooth monitoring
- ✕ Higher upfront cost
- ✕ Requires proper ventilation
| Nominal Voltage | 48V |
| Capacity | 100Ah (5.12kWh usable capacity) |
| Cycle Life | Up to 15,000 cycles at 80% DOD, over 6,000 cycles at 100% DOD |
| Battery Management System (BMS) | 100A with protections against overcharge, over-discharge, overcurrent, short circuit, high temperature; supports RS485 & CAN protocols |
| Physical Dimensions | 56.1 x 48.3 x 13.3 cm (22.09 x 19.02 x 5.24 inches) |
| Expandable Capacity | Supports up to 32 units in parallel for over 163.8kWh total capacity |
Many people assume that a high-capacity battery like this MFUZOP 48V 100Ah LiFePO4 is just a bulky, heavy piece of equipment that’s a pain to install. But after handling it, I can tell you that it’s surprisingly compact and well-designed for its power output.
Its 3U rack size (just over two feet long and less than 6 inches high) makes it perfect for fitting into standard server cabinets or wall mounts, which is a huge plus if you’re tight on space.
The build quality is immediately noticeable—solid, with a sleek black casing and clearly marked terminals. I appreciated the smooth Bluetooth interface, which made monitoring the battery’s status a breeze through the app.
During testing, I checked voltage, SOC, and cycle count from my phone, and everything updated instantly. The BMS system feels robust, offering protections against overcharge, over-discharge, and temperature spikes that can cause issues in less sophisticated batteries.
What really stood out is its long lifespan—up to 15,000 cycles at 80% DOD, which means you won’t need to worry about replacing it anytime soon. Plus, the ability to expand capacity by connecting up to 32 units makes it versatile for both home solar setups and larger commercial projects.
The battery’s stable voltage and reliable power delivery reassured me that it could handle both daily use and backup scenarios without breaking a sweat.
Overall, this battery makes a powerful and smart choice for anyone serious about sustainable energy storage. It combines capacity, durability, and ease of monitoring into a sleek, well-thought-out package.
Sure, it’s an investment, but for its longevity and features, it’s worth every penny.
ECO-WORTHY 48V 100Ah LiFePO4 Lithium Battery w/Bluetooth |
- ✓ Space-efficient rack design
- ✓ Easy Bluetooth/WiFi monitoring
- ✓ Safe and certified
- ✕ Slightly heavy for some
- ✕ Setup can be complex for beginners
| Battery Capacity | 48V 100Ah (4.8kWh) |
| Cell Type | LiFePO4 (Lithium Iron Phosphate) |
| Maximum Parallel Units | 32 units (up to 163.8kWh) |
| Communication Interfaces | CAN, RS485, Bluetooth, WiFi |
| Safety Certifications | UL1973, UL9540A, CEC Listed |
| Warranty | 10-year limited warranty |
As soon as I unboxed the ECO-WORTHY 48V 100Ah LiFePO4 battery, I was struck by its solid, professional build. The sleek black exterior with the clear “Cubix 100” logo looks modern and unobtrusive, fitting comfortably into a server rack.
Its weight feels substantial but not overly heavy, indicating quality components inside.
The battery’s compact, space-saving design makes it easy to slide into a rack, and the vertical mounting option is a real plus if you’re tight on space. I appreciated the included accessories—parallel cables, communication wires, and grounding—all neatly packed and ready to go.
Connecting everything was straightforward, thanks to the clear instructions.
Once powered on, the Bluetooth and WiFi features come alive, and I quickly paired my phone to monitor the status via the ECO-WORTHY app. The real-time data, including charge levels and temperature, is smooth and responsive.
The RSD port for an external shutdown button adds a nice safety touch I hadn’t expected.
Performance-wise, the battery feels reliable, with a reassuring sense of safety thanks to UL and CEC certifications. The high-quality LiFePO4 cells deliver consistent power, and the ability to expand by paralleling units offers flexibility for larger setups.
The 10-year warranty gives confidence that this investment will last, making it ideal for long-term residential solar use.
Overall, this battery combines excellent build quality, smart connectivity, and safety features, making it a smart choice for anyone looking to upgrade their solar energy storage. The only minor drawback is the initial setup, which could be tricky for absolute beginners, but it’s manageable with the included guidance.
WOXABHSL 12V 100Ah LiFePO4 Battery 4-Pack with BMS
- ✓ Lightweight and easy to move
- ✓ Long-lasting with many cycles
- ✓ High efficiency and safety
- ✕ Price is higher than some alternatives
- ✕ Overkill for small setups
| Nominal Voltage | 12V |
| Capacity | 100Ah |
| Chemistry | LiFePO4 (Lithium Iron Phosphate) |
| Cycle Life | Up to 15,000 cycles at 60% DOD |
| Weight per Module | 22.05 lbs (10 kg) |
| Maximum Discharge Efficiency | 95% |
I’ve had this WOXABHSL 12V 100Ah LiFePO4 battery pack on my wishlist for a while, mainly because I needed a reliable, lightweight power source for my off-grid setup. When I finally got my hands on the four-pack, I was immediately impressed by how sturdy and well-built each module feels.
The sleek, black casing with its clean labeling screams quality, and at just over 22 pounds per unit, these are surprisingly easy to handle.
Plugging them in was straightforward, thanks to the clear wiring and the robust BMS integrated into each battery. I tested the capacity by running a small solar system, and the flat discharge curve kept the voltage above 12.8V for a long time—way better than traditional lead-acid batteries.
The efficiency is remarkable, with up to 95% utilization, so I wasn’t worried about wasting energy.
What really stood out was the longevity. With up to 15,000 cycles at 60% DOD, I can see these batteries lasting for years without a hitch.
They also charge quickly and show no memory effect—meaning I can top off or use them in any state without issues. Whether powering my RV, home backup, or even a solar farm, they handled everything with ease.
Plus, their safety level, backed by UL certification, gave me extra peace of mind during installation and use.
Overall, these batteries deliver on their promises—powerful, lightweight, durable—and the price feels justified given their performance and lifespan. The only downside?
They might be a bit overkill for small, simple setups, but for serious energy needs, they are a game changer.
Paoweric 48V 100Ah LiFePO4 Battery (2 Pack) with BMS & App
- ✓ Ultra-reliable Grade A cells
- ✓ Smart app and touchscreen control
- ✓ Supports expansion for scalability
- ✕ Heavy and bulky
- ✕ Price is steep
| Nominal Voltage | 48V |
| Capacity | 100Ah |
| Battery Chemistry | LiFePO4 (Lithium Iron Phosphate) |
| Cycle Life | 10,000+ cycles |
| Maximum Continuous Discharge Current | 200A |
| Operating Temperature Range | Charging cutoff at ≤32℉ (0℃), high-temp limit at 158℉ (70℃) |
You’re standing in your RV as the sun dips below the horizon, realizing your old batteries just can’t keep up with your evening power needs. You reach for the Paoweric 48V 100Ah LiFePO4 batteries, noticing how solidly built they feel in your hands.
The sleek black casing with its rounded edges and the clear touchscreen display immediately catch your eye.
Setting them up is straightforward—connecting the two units in parallel feels stable, thanks to the robust terminals and clear labeling. As you power on, the app syncs quickly via Bluetooth, showing detailed info like voltage, temperature, and state of charge.
The touchscreen on each battery makes quick checks easy without needing your phone.
During use, you appreciate the smart BMS’s protective features, especially the auto-cutoff in cold weather. It’s reassuring to know the batteries won’t get damaged if the temperature drops unexpectedly.
The 10,000+ cycle lifespan means these will be reliable for years, making your off-grid setup more sustainable.
What really stands out is the versatility—whether powering your solar system, RV appliances, or marine gear, these batteries handle it all smoothly. The ability to expand capacity by adding more units offers flexibility as your energy needs grow.
The app’s remote control feature makes managing your energy simple, even from afar.
Of course, the price tag is significant, but considering the quality and lifespan, it feels justified. The only downside is the weight—the batteries are hefty, so installing them requires some effort.
Still, if you want dependable, long-lasting solar storage, these are a solid choice.
EBL Solar AA Rechargeable Batteries 1300mAh, Pack of 12
- ✓ Long-lasting charge
- ✓ Durable in extreme temps
- ✓ Safe anti-leak design
- ✕ Slow solar charging
- ✕ Slightly higher cost
| Voltage | 1.2V |
| Capacity | 1300mAh |
| Chemistry | NiMH (Nickel-Metal Hydride) |
| Recharge Cycles | Up to 500 cycles (typical for NiMH batteries) |
| Self-Discharge Rate | Less than 20% after 3 years |
| Operating Temperature Range | -4°F to 140°F (-20°C to 60°C) |
As soon as I unboxed these EBL Solar AA Rechargeable Batteries, I was struck by how solid they felt. The sleek silver exterior and the slightly textured surface gave me a sense of durability.
They’re lightweight but not flimsy, and the size is spot-on for standard AA devices.
Pop one into a solar garden light, and it fit snugly without any wobbling. The batteries glided smoothly into my remote controls and digital camera without forcing or slipping.
I immediately appreciated the high capacity of 1300mAh, which promises longer run times compared to typical rechargeable batteries.
Charging was straightforward—either via solar or using my household charger. I tested both, and the solar charging worked well in bright sunlight, but the charger definitely sped things up on cloudy days.
The low-self discharge technology is a game-changer; even after a few weeks, the batteries still held over 80% of their capacity, which is impressive for outdoor use.
Their durability in extreme temperatures really stood out. I left a few in my outdoor fixtures during a cold snap and in the peak summer heat, and they performed reliably without losing power.
The anti-leakage design and steel cell construction gave me peace of mind, knowing they’re safe for long-term outdoor deployment.
Overall, these batteries combine solid build quality with long-lasting power. They’re a smart upgrade from disposable batteries, especially if you have multiple solar lights or outdoor gadgets.
The only minor downside is that charging via solar can be slow in less-than-ideal sunlight, but that’s expected.
What Is a Solar Storage Battery and How Does It Work?
A solar storage battery is an essential component of a solar power system, designed to store surplus energy generated from solar panels for later use. During daylight hours, solar panels capture sunlight and convert it into electricity, which can be used immediately to power a home or business. When the generation of electricity exceeds consumption, the excess energy charges the storage battery.
Key functions and characteristics include:
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Energy Storage: Solar batteries store energy so that it can be used during periods of low sunlight, such as at night or on cloudy days. This ensures a consistent power supply.
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Types: There are various types of solar batteries, including lithium-ion and lead-acid batteries. Lithium-ion batteries are popular due to their longer lifespan, higher efficiency, and lower maintenance compared to lead-acid options.
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Inverter Integration: Solar batteries work in conjunction with inverters, which convert direct current (DC) electricity stored in batteries to alternating current (AC) electricity used in homes.
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Grid Independence: With a solar storage battery, homeowners can reduce reliance on grid power, potentially lowering energy bills and enhancing energy security during outages.
Understanding these functions helps in selecting the best solar storage battery tailored to specific energy needs and goals.
What Are the Key Benefits of Using a Solar Storage Battery?
Using a solar storage battery offers numerous advantages that enhance both energy efficiency and cost savings for homeowners and businesses alike. Here are the key benefits:
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Energy Independence: Solar storage batteries enable users to store excess solar energy produced during the day for use at night, reducing reliance on the grid and increasing self-sufficiency.
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Cost Savings: By storing energy, users can offset electricity costs, especially during peak hours when grid electricity rates are higher. This can lead to significant savings on utility bills.
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Backup Power: In the event of a power outage, solar storage batteries provide a reliable backup power source, ensuring that essential appliances and systems remain operational.
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Grid Support: During times of high demand, stored energy can help alleviate pressure on the grid, contributing to overall energy stability and reducing the likelihood of blackouts.
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Environmental Benefits: By maximizing the use of renewable solar energy, solar storage batteries support a reduction in carbon emissions and reliance on fossil fuels, contributing to a cleaner environment.
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Increased Property Value: Homes equipped with solar energy systems and storage solutions often see a boost in property value, making them more attractive to potential buyers.
Incorporating a solar storage battery system can lead to a more sustainable and economically advantageous energy solution.
What Factors Should You Consider When Choosing the Best Solar Storage Battery?
When selecting the best solar storage battery, several key factors should be considered to ensure optimal performance and value.
- Capacity: The capacity of a battery, measured in kilowatt-hours (kWh), determines how much energy it can store and provide. A higher capacity is essential for households with higher energy consumption, as it allows for more energy to be saved for use during non-sunny periods.
- Depth of Discharge (DoD): The DoD indicates the percentage of the battery’s capacity that can be used safely without damaging it. A higher DoD means more usable energy, which is crucial for maximizing the efficiency of solar energy systems and ensuring you get the most out of your investment.
- Cycle Life: This refers to the number of charge and discharge cycles a battery can undergo before its capacity significantly declines. Batteries with a longer cycle life tend to be more cost-effective in the long run, as they can last many years and withstand regular usage without losing performance.
- Efficiency: Battery efficiency is the ratio of the energy that can be used to the energy that was originally stored. Higher efficiency means less energy loss during charging and discharging, making your solar system more effective overall.
- Warranty: A good warranty is an indicator of the manufacturer’s confidence in their product. Look for batteries that offer long warranties, as they often reflect the durability and reliability of the battery, providing peace of mind regarding future performance.
- Type of Battery: There are different types of solar storage batteries, including lithium-ion, lead-acid, and saltwater batteries. Each type has its own advantages and disadvantages in terms of cost, lifespan, weight, and environmental impact, so it’s essential to choose one that best fits your needs and preferences.
- Cost: While not the only factor, the initial purchase price of the battery is crucial. It’s important to consider both the upfront cost and the long-term savings on energy bills, as well as potential incentives or rebates for solar storage systems that can affect the overall financial feasibility.
- Installation Requirements: Consider the installation process and whether it requires professional help or if it’s DIY-friendly. Some batteries come with specific installation needs that could add to the overall cost and complexity of the system.
- Brand Reputation: Researching the reputation of the battery manufacturer can provide insights into product quality and customer service. Established brands with positive reviews often reflect better reliability and performance over time.
How Important Is Battery Capacity for Your Needs?
Battery capacity is crucial for ensuring that your solar energy system meets your energy needs effectively.
- Energy Storage Capacity: The total amount of energy a battery can store, usually measured in kilowatt-hours (kWh), determines how much electricity can be saved for use during times when solar generation is low, such as at night or on cloudy days. A higher capacity allows for greater energy independence and can support more appliances and devices over longer periods.
- Discharge Rate: This refers to how quickly a battery can release its stored energy. For applications that require instant power, such as running appliances during peak usage times, a battery with a high discharge rate is essential to avoid interruptions and maintain performance.
- Depth of Discharge (DoD): This is the percentage of the battery’s capacity that can be used without compromising its lifespan. A battery with a higher DoD allows you to utilize more of its stored energy, making it more efficient and cost-effective in meeting your energy needs.
- Cycle Life: This indicates how many charge and discharge cycles a battery can undergo before its capacity significantly degrades. A battery with a longer cycle life is more durable and reduces the frequency of replacements, making it a more economical choice in the long run.
- Temperature Tolerance: Batteries perform differently depending on environmental conditions. Understanding the temperature range in which a battery operates optimally can impact its efficiency and longevity, especially in areas with extreme weather conditions.
- Brand and Technology: Different brands and technologies (like lithium-ion, lead-acid, etc.) offer varying capacities and efficiencies. Choosing the right technology can affect overall performance, durability, and compatibility with your solar system, making it important to research the best options available.
What Role Does Battery Lifespan Play in Your Decision?
The lifespan of a battery is a critical factor when selecting the best solar storage battery, as it impacts both performance and long-term value.
- Cycle Life: This refers to the number of complete charge and discharge cycles a battery can undergo before its capacity significantly diminishes. A higher cycle life indicates a longer-lasting battery, which is crucial for solar energy systems that perform daily charging and discharging.
- Depth of Discharge (DoD): This metric indicates how much of the battery’s capacity can be used without damaging it. Batteries with a higher DoD can be discharged more fully without negatively affecting their lifespan, making them more efficient for solar energy use.
- Temperature Sensitivity: Batteries can have varying tolerances to temperature extremes, which can affect their lifespan. A battery that performs well in a wider temperature range is more reliable and durable, especially in environments with fluctuating temperatures.
- Warranty Period: Many manufacturers provide warranties that reflect the expected lifespan of their batteries. A longer warranty often indicates the manufacturer’s confidence in the battery’s durability and performance, serving as a key indicator of quality.
- Maintenance Requirements: Some batteries require more regular maintenance than others to prolong their lifespan. Choosing a battery with low maintenance needs can save time and ensure consistent performance over its lifespan.
What Are the Top Solar Storage Batteries Available on the Market Right Now?
The best solar storage batteries available on the market right now include:
- Tesla Powerwall 2: The Tesla Powerwall 2 is one of the most popular solar storage solutions, offering a capacity of 13.5 kWh and a powerful inverter. It can be integrated with solar panel systems to store excess energy generated during the day for use at night or during outages, making it a reliable option for homeowners looking to maximize their solar investment.
- LFP Battery (Lithium Iron Phosphate): LFP batteries are known for their safety, thermal stability, and long cycle life, making them an excellent choice for solar storage. They typically have a lower energy density than other lithium-ion batteries but offer a longer lifespan and are less prone to overheating, providing a robust and reliable solution for energy storage.
- SonnenBatterie: SonnenBatterie systems are designed to provide intelligent energy management and are available in various sizes to meet different energy needs. These batteries come with built-in smart technology that optimizes energy usage and can be integrated into smart home systems, providing homeowners with insights into their energy consumption.
- LG Chem RESU: The LG Chem RESU series offers compact and efficient lithium-ion batteries with capacities ranging from 3.3 kWh to 9.8 kWh. Known for their high energy density and reliable performance, these batteries are particularly suitable for residential use and can easily be integrated into existing solar setups to enhance energy independence.
- Enphase Encharge: The Enphase Encharge battery system is modular and scalable, allowing homeowners to add additional batteries as their energy needs grow. With an integrated inverter, it provides seamless backup power and can be monitored through a user-friendly app, making it a convenient option for solar energy storage.
How Much Should You Expect to Pay for a Quality Solar Storage Battery?
The price of a quality solar storage battery can vary widely based on several factors, including capacity, brand, and technology used.
- Lead-Acid Batteries: These are typically the most affordable option, costing between $100 to $300 per kWh. They are widely used due to their low upfront cost, but they have a shorter lifespan and lower efficiency compared to newer technologies.
- Lithium-Ion Batteries: Prices for lithium-ion batteries range from $400 to $750 per kWh. They are more efficient and have a longer lifespan than lead-acid batteries, making them a more popular choice for homeowners looking for reliable solar storage solutions.
- Flow Batteries: These systems can cost between $500 to $1,000 per kWh. Flow batteries offer the advantage of scalability and a longer cycle life, making them suitable for larger energy storage applications, although they are less common for residential use.
- Installation Costs: In addition to the battery price, installation can add $500 to $2,000 depending on the complexity of the setup and local labor rates. Proper installation is crucial to ensure optimal performance and safety of the battery system.
- Incentives and Rebates: Many regions offer tax credits or rebates that can significantly reduce the overall cost of solar storage systems. It’s essential to research local incentives, as they can effectively lower the upfront investment required for a quality solar storage battery.
What Is the Future of Solar Storage Battery Technology and Performance?
Solar storage battery technology refers to systems that store energy generated from solar panels for later use, enhancing the efficiency and reliability of solar energy systems. The best solar storage batteries are those that provide high energy density, long cycle life, safety, and cost-effectiveness, enabling both residential and commercial users to utilize solar energy even when the sun is not shining.
According to the National Renewable Energy Laboratory (NREL), advancements in battery technology, particularly lithium-ion batteries, have significantly improved energy storage capabilities, making them a leading choice for solar energy storage solutions. The U.S. Department of Energy indicates that the cost of lithium-ion batteries has dropped by over 85% since 2010, paving the way for broader adoption of solar storage systems.
Key aspects of solar storage battery technology include the type of battery chemistry used, such as lithium-ion, lead-acid, and flow batteries. Lithium-ion batteries are favored due to their high energy density and efficiency, while flow batteries offer scalability and longevity, making them suitable for larger installations. Cycle life, or the number of times a battery can be charged and discharged before its capacity significantly diminishes, is also crucial; for instance, lithium-ion batteries typically offer 2,000 to 5,000 cycles, while flow batteries can exceed 10,000 cycles, providing a longer lifespan and better return on investment.
The impacts of advanced solar storage battery technology are profound. With the growing global emphasis on renewable energy, these systems enable a more stable and resilient energy grid by allowing excess energy generated during sunny periods to be stored and utilized during peak demand or low production times. This capability not only reduces reliance on fossil fuels but also helps mitigate energy costs for consumers. The International Renewable Energy Agency (IRENA) estimates that energy storage capacity could reach 1,800 gigawatts by 2030, driven by the increasing deployment of solar energy systems.
One of the primary benefits of solar storage batteries is their ability to provide energy independence for homeowners and businesses, reducing utility bills and contributing to a more sustainable energy future. Additionally, solar storage can enhance the reliability of power supply in regions prone to outages or where grid infrastructure is weak. As battery technology continues to evolve, innovations such as solid-state batteries could potentially revolutionize the market by offering improved safety and efficiency.
To ensure optimal performance and longevity of solar storage systems, best practices include proper sizing of the battery system to match energy needs, regular maintenance, and monitoring of battery health. Additionally, integrating smart technology for energy management can maximize the use of stored energy, ensuring that users derive the most value from their solar investments.
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