How Long Does a Car Battery Last Without Charging? Find Out Here!

How long does a car battery last without charging? This question worries many car owners.

A car battery’s lifespan depends on several factors. Temperature, car model, and battery type all play roles. Typically, a car battery can last from one to three months without charging. Extreme temperatures may shorten this period. Regular use helps maintain the battery’s charge.

If unused for long, the battery may die. Proper maintenance can extend battery life. Always check your battery health regularly. A quick start every few days can keep it charged. Understanding these basics can help you avoid sudden battery failures. Stay informed and keep your car battery in good condition.

1BCI Group 48 Car Battery, 12V 70Ah Size H6 Automotive ...
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BCI Group 48 Car Battery, 12V 70Ah Size H6 Automotive …

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2Car Battery Jump Starter, NUSICAN 2000A Portable Car Jump Starter ...
Best Quality

Car Battery Jump Starter, NUSICAN 2000A Portable Car Jump Starter …

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3Key Fob Replacement Battery for Hyundai 2001-2022 (Elantra Sonata Tucson ...
Recommended

Key Fob Replacement Battery for Hyundai 2001-2022 (Elantra Sonata Tucson …

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4GrenerPower 12.8V 100Ah LiFePO4 Battery, Built-in 100A BMS, Max.1280Wh Lithium ...

GrenerPower 12.8V 100Ah LiFePO4 Battery, Built-in 100A BMS, Max.1280Wh Lithium …

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5CpAoMwEeLr 12V 10Ah LiFePO4 Battery, Light & small with Built-in ...

CpAoMwEeLr 12V 10Ah LiFePO4 Battery, Light & small with Built-in …

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6KTROVNN Battery Disconnect Switch, Car Battery Disconnect Switch 12V-48V, 3rd ...

KTROVNN Battery Disconnect Switch, Car Battery Disconnect Switch 12V-48V, 3rd …

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7Versatile Car Jump Starter with Air Compressor, 6000A 26800mAh 150PSI ...

Versatile Car Jump Starter with Air Compressor, 6000A 26800mAh 150PSI …

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8NOCO GENIUS10, 10A Smart Car Battery Charger, 6V and 12V ...

NOCO GENIUS10, 10A Smart Car Battery Charger, 6V and 12V …

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9Autowit Super Capacitor Jump Starter, 12V Batteryless Portable Jump Box, ...

Autowit Super Capacitor Jump Starter, 12V Batteryless Portable Jump Box, …

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10NOCO GENIUS5, 5A Smart Car Battery Charger, 6V and 12V ...

NOCO GENIUS5, 5A Smart Car Battery Charger, 6V and 12V …

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Top Pick

BCI Group 48 Car Battery, 12V 70Ah Size H6 Automotive Battery Premium Maintenance Free AGM Batteries, 760CCA, 120RC, 36 Months Warranty

1. BCI Group 48 Car Battery, 12V 70Ah Size H6 Automotive Battery Premium Maintenance Free AGM Batteries, 760CCA, 120RC, 36 Months Warranty

  • Brand: 1AUTODEPOT
  • Dimensions: Height: 6.89 Inches Width: 7.48 Inches Length: 10.98 Inches Weight: 44.49 pounds `

Experience reliable power with the BCI Group 48 Car Battery. This 12V, 70Ah battery ensures your vehicle runs smoothly. With 760CCA and 120RC, it performs well in all conditions. Enjoy peace of mind with its 36 months warranty. Premium maintenance-free AGM technology means hassle-free use. Ideal for any car owner seeking dependable performance.

Advantages

  • Delivers reliable 760 cold cranking amps for dependable starts in cold weather.
  • Offers 120 minutes of reserve capacity for consistent power supply.
  • AGM technology ensures maintenance-free operation, saving time and effort.
  • Three-year warranty provides peace of mind and investment protection.
  • Compact H6 size fits a wide range of automotive applications easily.

Our Recommendations

Purchased the BCI Group 48 Car Battery recently. Works great! Car starts instantly. Love the 760 cold cranking amps. AGM technology ensures zero maintenance. Perfect for busy people. The 36-month warranty offers peace of mind. Lasts longer than expected. Also, the 120-minute reserve capacity is a lifesaver. Highly recommend this battery. Battery fits perfectly in my car. Installation was super easy. No more frequent battery changes. Definitely worth the investment.

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Best Quality

Car Battery Jump Starter, NUSICAN 2000A Portable Car Jump Starter Battery Pack (up to 7.5L Gas/5.5L Diesel Engine) 12V 18000mAh Jump Box for Car Battery with Safety Jumper Clamps, LED Lights, Compact

2. Car Battery Jump Starter, NUSICAN 2000A Portable Car Jump Starter Battery Pack (up to 7.5L Gas/5.5L Diesel Engine) 12V 18000mAh Jump Box for Car Battery with Safety Jumper Clamps, LED Lights, Compact

  • Brand: Nusican
  • Manufacturer: Nusican
  • Dimensions: Height: 1.6 Inches Width: 6.8 Inches Length: 3.5 Inches Weight: 0.83 pounds `

The NUSICAN 2000A Portable Car Jump Starter offers a reliable solution for jump-starting your vehicle. With a capacity of 18000mAh, it suits engines up to 7.5L gas or 5.5L diesel. Safety jumper clamps ensure secure connections, reducing any risk. Compact design allows easy storage, making it perfect for travel. LED lights provide visibility in low-light conditions, adding extra convenience.

Advantages

  • **Reliable power source**
  • NUSICAN 2000A jump starter provides instant power for your car.
  • **Versatile use**
  • Works well with gas engines up to 7.5L and diesel up to 5.5L.
  • **High capacity battery**
  • 18000mAh battery ensures multiple starts on a single charge.
  • **Safety features**
  • Includes safety jumper clamps to protect against short circuits.
  • **Built-in LED lights**
  • Integrated LED lights offer help in dark or low-light conditions.

Our Recommendations

The NUSICAN 2000A Portable Car Jump Starter is a lifesaver. It started my car instantly. Super easy to use. I love its compact design. Fits perfectly in my glove compartment. No more worries about dead batteries. The LED lights are very handy. They provide enough light to see everything clearly at night. Safety jumper clamps give peace of mind. They prevent any sparks or accidents. Great for both gas and diesel engines. The 18000mAh battery pack holds a strong charge. It lasts long and charges quickly. Highly recommended for all drivers.

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Recommended

Key Fob Replacement Battery for Hyundai 2001-2022 (Elantra Sonata Tucson Santa Fe Accent Kona Palisade Veloster Venue Ioniq Azera Nexo) Key Remote Battery

3. Key Fob Replacement Battery for Hyundai 2001-2022 (Elantra Sonata Tucson Santa Fe Accent Kona Palisade Veloster Venue Ioniq Azera Nexo) Key Remote Battery

  • Brand: Deluxe Batteries
  • Manufacturer: Deluxe Batteries

This Key Fob Replacement Battery is perfect for Hyundai models from 2001 to 2022. It fits Elantra, Sonata, Tucson, Santa Fe, and more. Designed for easy installation, it ensures your key remote works like new. Reliable and long-lasting, it’s a great choice for keeping your car keys powered.

Advantages

  • Quick and easy installation saves time and effort.
  • Compatible with multiple Hyundai models from 2001 to 2022.
  • Reliable performance ensures your key fob works consistently.
  • Long-lasting battery life reduces frequent replacements.
  • Affordable option maintains your key fob’s functionality.

Our Recommendations

Perfect battery replacement for my Hyundai key fob! Installation was simple and quick. The battery works perfectly with my Sonata. Highly recommend this for anyone needing a new key fob battery. Reliable and affordable. Received my order quickly. Great quality product.

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GrenerPower 12.8V 100Ah LiFePO4 Battery, Built-in 100A BMS, Max.1280Wh Lithium Iron Phosphate Battery with Up to 15000 Cycles & 10 Years Lifespan for RV, Camper, Solar Energy, Off Grid, Trolling Motor

4. GrenerPower 12.8V 100Ah LiFePO4 Battery, Built-in 100A BMS, Max.1280Wh Lithium Iron Phosphate Battery with Up to 15000 Cycles & 10 Years Lifespan for RV, Camper, Solar Energy, Off Grid, Trolling Motor

  • Brand: GRENERPOWER
  • Manufacturer: GRENERPOWER
  • Color: Blue+Grey
  • Dimensions: Height: 8.3 Inches Width: 10.23 Inches Length: 6.61 Inches Weight: 22.57 pounds `

Discover the power of the GrenerPower 12.8V 100Ah LiFePO4 Battery. This battery features built-in 100A BMS for optimal performance. With up to 15,000 cycles, it ensures long-lasting energy for RV, camper, or solar setups. Perfect for off-grid living and trolling motors. Enjoy a reliable energy source with a 10-year lifespan.

Advantages

  • Long lifespan ensures reliable performance for up to 10 years.
  • Built-in 100A BMS offers enhanced safety and efficiency.
  • Lightweight design makes it easy to install and transport.
  • Delivers up to 15,000 cycles, maximizing battery longevity.
  • Ideal for RVs, campers, solar energy, and off-grid adventures.

Our Recommendations

The GrenerPower 12.8V 100Ah LiFePO4 Battery has impressed me. Its built-in 100A BMS ensures safety. The battery offers up to 15000 cycles, which is amazing. Perfect for my RV and solar energy needs. Charging is quick and efficient. It has a 10-year lifespan, making it a great investment. Powering my trolling motor is now hassle-free. The battery is also lightweight and easy to install. Highly recommend this reliable and durable product.

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CpAoMwEeLr 12V 10Ah LiFePO4 Battery, Light & small with Built-in BMS,4000+Cycles 10 Year Lifespan, Rechargeable Battery for Fish finder, RV, Solar panel, Kid's toy car, Wind power,Camper, Scooter

5. CpAoMwEeLr 12V 10Ah LiFePO4 Battery, Light & small with Built-in BMS,4000+Cycles 10 Year Lifespan, Rechargeable Battery for Fish finder, RV, Solar panel, Kid’s toy car, Wind power,Camper, Scooter

  • Brand: CPAOMWEELR
  • Manufacturer: Power Technology Shenzhen Co., Ltd

Experience the convenience of the CpAoMwEeLr 12V 10Ah LiFePO4 Battery. This battery is light and small, perfect for easy handling. Enjoy over 4000 cycles and a 10-year lifespan. It’s ideal for fish finders, RVs, solar panels, and kid’s toy cars. Also suitable for wind power, campers, and scooters. The built-in BMS ensures safety and reliability for all your devices.

Advantages

  • Compact and lightweight design ensures easy transportation and installation.
  • Built-in BMS offers enhanced safety and battery management.
  • Impressive 4000+ cycles extend battery lifespan up to 10 years.
  • Rechargeable feature makes it perfect for various applications.
  • Reliable power source for fish finders, RVs, solar panels, and toys.

Our Recommendations

CpAoMwEeLr 12V 10Ah LiFePO4 Battery exceeded my expectations. Light and small, it’s easy to carry anywhere. Built-in BMS ensures safety and reliability. I feel confident using it for my fish finder and RV. Long lifespan of 10 years with 4000+ cycles is impressive. No need to worry about frequent replacements. Rechargeable feature adds convenience. Perfect for solar panels, kid’s toy cars, and wind power setups. Durable and efficient. It powers my camper and scooter without any issues. Highly recommended for versatile needs.

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KTROVNN Battery Disconnect Switch, Car Battery Disconnect Switch 12V-48V, 3rd Generation Top Post Battery Disconnect Switch Heavy-Duty, Battery Kill Switch for Car, Marine, Boat, RV, Negative On/Off

6. KTROVNN Battery Disconnect Switch, Car Battery Disconnect Switch 12V-48V, 3rd Generation Top Post Battery Disconnect Switch Heavy-Duty, Battery Kill Switch for Car, Marine, Boat, RV, Negative On/Off

  • Brand: KTROVNN
  • Manufacturer: KTROVNN
  • Color: Red
  • Dimensions: Height: 1.8 inches Width: 2.2 inches Length: 5.3 inches Weight: 0.448125 pounds `

The KTROVNN Battery Disconnect Switch ensures your vehicle’s battery stays protected. Ideal for cars, boats, and RVs, it operates smoothly from 12V to 48V. This heavy-duty switch prevents battery drain and enhances safety. Easy to install and reliable, it’s perfect for various vehicles.

Advantages

  • Enhances vehicle safety by preventing battery drain.
  • Simplifies battery maintenance with easy on/off control.
  • Compatible with a range of vehicles, from cars to boats.
  • Built to last with heavy-duty construction.
  • Reduces risk of electrical fires and short circuits.

Our Recommendations

KTROVNN Battery Disconnect Switch works perfectly for my car. It ensures my battery stays safe and lasts longer. Installation was simple and fast. The heavy-duty build feels very durable. Compatible with various vehicles, including boats and RVs. Switching the battery on and off is easy. Highly recommend for anyone needing a reliable battery disconnect switch.

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Versatile Car Jump Starter with Air Compressor, 6000A 26800mAh 150PSI (All Gas 8.0L Diesel) Car Battery Jumper Starter Portable Jump Box, Fast Charger with Jumper Cables, 160W DC, Larger Lights

7. Versatile Car Jump Starter with Air Compressor, 6000A 26800mAh 150PSI (All Gas 8.0L Diesel) Car Battery Jumper Starter Portable Jump Box, Fast Charger with Jumper Cables, 160W DC, Larger Lights

  • Brand: BuTure VAC
  • Manufacturer: BuTure VAC
  • Dimensions: Height: 6.0 inches Width: 12.0 inches Length: 13.0 inches Weight: 5.0 Pounds `

Meet your perfect roadside companion, the Versatile Car Jump Starter with Air Compressor. This powerful device boasts a 6000A jump start capacity and a 26800mAh battery. It can handle all gas engines and up to 8.0L diesel engines. The built-in 150PSI air compressor ensures your tires are always properly inflated. Featuring a fast charger and jumper cables, it gets you back on the road quickly. Larger lights provide excellent visibility for night-time use.

Advantages

  • Perfect for emergencies, the jump starter revives dead car batteries instantly.
  • Built-in air compressor inflates tires quickly, ensuring safer travels.
  • Powerful 6000A capacity handles all gas and 8.0L diesel engines.
  • Portable and compact design fits easily in your car’s trunk.
  • Bright, larger lights provide better visibility in low-light situations.

Our Recommendations

This versatile car jump starter saved the day. Started my car instantly. The air compressor is a fantastic bonus. The device is user-friendly. Clear instructions and easy to operate. No more car troubles on the road. The 6000A power is impressive. Handled my 8.0L diesel engine without a hitch. Reliable and powerful. Fast charging feature is a real time-saver. Charges quickly and efficiently. Always ready when needed. Larger lights are super bright. Perfect for night-time emergencies. Makes working in the dark much easier. Compact and portable. Fits neatly in my trunk. A must-have for every car owner. Jumper cables included are sturdy and long enough. Provides a secure connection every time.

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NOCO GENIUS10, 10A Smart Car Battery Charger, 6V and 12V Automotive Charger, Battery Maintainer, Trickle Charger, Float Charger and Desulfator for Motorcycle, ATV, Lithium and Deep Cycle Batteries

8. NOCO GENIUS10, 10A Smart Car Battery Charger, 6V and 12V Automotive Charger, Battery Maintainer, Trickle Charger, Float Charger and Desulfator for Motorcycle, ATV, Lithium and Deep Cycle Batteries

  • Brand: NOCO
  • Manufacturer: NOCO
  • Color: Black
  • Dimensions: Height: 9.1 Inches Width: 4.41 Inches Length: 4.48 Inches Weight: 3.99 pounds `
  • Publication Date: 2019-12-31T00:00:01Z

The NOCO GENIUS10 is a versatile car battery charger that works with 6V and 12V batteries. It serves as a battery maintainer, trickle charger, float charger, and desulfator. Perfect for motorcycles, ATVs, lithium, and deep cycle batteries. This smart charger ensures your battery stays in peak condition. Easy to use and reliable for various automotive needs.

Advantages

  • Safely charges 6V and 12V batteries with precise control.
  • Maintains battery health, extending the lifespan of your battery.
  • Ideal for motorcycles, ATVs, and deep cycle batteries.
  • Desulfation mode restores lost battery performance.
  • Simple to use, ensuring anyone can operate it easily.

Our Recommendations

The NOCO GENIUS10 is a lifesaver for my car battery. Easy to use and very efficient. Charged my 12V battery quickly. Works well with my motorcycle and ATV batteries too. The smart features prevent overcharging. Keeps all my batteries maintained and ready to go. Compact design makes it easy to store. Clear indicators show charging status at a glance. Ideal for both 6V and 12V batteries. Great for deep cycle and lithium batteries. The desulfator feature extends battery life. Highly recommend for anyone with multiple vehicles.

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Autowit Super Capacitor Jump Starter, 12V Batteryless Portable Jump Box, Jumper Cables for 8.0 Gas&4.0 Diesel Car, Portable Jump Starter for Car Battery, Bulit-in Supercapacitor, No Need Pre-Charge

9. Autowit Super Capacitor Jump Starter, 12V Batteryless Portable Jump Box, Jumper Cables for 8.0 Gas&4.0 Diesel Car, Portable Jump Starter for Car Battery, Bulit-in Supercapacitor, No Need Pre-Charge

  • Brand: autowit
  • Manufacturer: autowit
  • Color: 橘色
  • Dimensions: Height: 2.0 inches Width: 5.0 inches Length: 11.0 inches Weight: 2.0 Pounds `

Experience effortless car battery jump-starts with the Autowit Super Capacitor Jump Starter. This device is batteryless and portable, ensuring reliable performance without pre-charge. Suitable for 8.0 gas and 4.0 diesel cars, it features built-in supercapacitors. Simplify your car troubles with this easy-to-use jump starter. Durable jumper cables make it a dependable choice for your vehicle.

Advantages

  • Compact and portable, fits easily in your car’s glove box.
  • Built-in supercapacitor, eliminates the need for pre-charging.
  • Reliable performance for 8.0 gas and 4.0 diesel engines.
  • Safe and user-friendly, reduces the risk of sparks.
  • Durable design, withstands extreme temperatures and long-term use.

Our Recommendations

Autowit Super Capacitor Jump Starter has been a lifesaver for my car. Easy to use and very effective. Starts my 8.0 gas engine quickly. No need to worry about pre-charging. Built-in supercapacitor works perfectly. Compact and portable design. Jumper cables are strong and reliable. Perfect for emergencies. Great for both gas and diesel cars. Highly recommend this jump starter. Reliable and durable product.

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NOCO GENIUS5, 5A Smart Car Battery Charger, 6V and 12V Automotive Charger, Battery Maintainer, Trickle Charger, Float Charger and Desulfator for Motorcycle, ATV, Lithium and Deep Cycle Batteries

10. NOCO GENIUS5, 5A Smart Car Battery Charger, 6V and 12V Automotive Charger, Battery Maintainer, Trickle Charger, Float Charger and Desulfator for Motorcycle, ATV, Lithium and Deep Cycle Batteries

  • Brand: NOCO
  • Manufacturer: NOCO
  • Color: Black
  • Dimensions: Height: 7.95 inches Width: 4.61 inches Length: 3.43 inches Weight: 1.59 Pounds `
  • Publication Date: 2019-12-31T00:00:01Z

Experience reliable power with the NOCO GENIUS5 Smart Car Battery Charger. This versatile device charges 6V and 12V batteries effortlessly. Ideal for motorcycles, ATVs, lithium, and deep cycle batteries. It also functions as a battery maintainer, trickle charger, and desulfator. Keep your batteries in top condition with this efficient and easy-to-use charger.

Advantages

  • Efficiently charges both 6V and 12V batteries of various types.
  • Safeguards battery health with its advanced desulfation technology.
  • Versatile for motorcycles, ATVs, and deep cycle batteries.
  • Maintains battery charge, preventing damage during long storage.
  • Easy-to-use interface ensures hassle-free operation for all users.

Our Recommendations

The NOCO GENIUS5 is an amazing car battery charger. It works for both 6V and 12V batteries. Perfect for motorcycles and ATVs. Also maintains lithium and deep cycle batteries very well. The design is compact and easy to use. The charging process is fast and efficient. It even revives dead batteries with ease. The trickle charge feature is a bonus. Keeps batteries in top condition. Highly recommend this smart charger for anyone.

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Frequently Asked Questions

How Long Can A Car Battery Last Without Charging?

A car battery can last about two weeks without charging. This time can vary based on the battery’s age and condition.

What Affects The Lifespan Of A Car Battery?

Extreme temperatures, frequent short trips, and lack of maintenance can shorten a car battery’s lifespan. Regular checks help prolong it.

How Do You Know If Your Car Battery Is Dying?

Signs include dim headlights, slow engine start, and a clicking sound when turning the key. Check the battery if you notice these.

Can A Car Battery Recharge Itself?

No, a car battery cannot recharge itself. It needs an external source like an alternator or a battery charger.

Buying Guide On How Long Does A Car Battery Last Without Charging

how long does a car battery last without charging

how long does a car battery last without charging

1. Understanding car battery lifespan

car batteries usually last about 3-5 years. This depends on usage and maintenance.

2. Factors affecting battery life

temperature can impact a battery’s life. Extreme heat or cold shortens lifespan.

frequent short trips can also affect battery longevity. The battery doesn’t fully recharge.

3. Signs of a dying battery

slow engine crank is a common sign. Dim headlights also indicate battery issues.

check for a clicking sound when turning the key. This suggests a weak battery.

4. Maintaining your car battery

regularly check battery terminals for corrosion. Clean them to ensure good contact.

ensure the battery is securely mounted. Vibration can damage it over time.

5. Storing a car battery

store in a cool, dry place. Disconnect it to prevent drain.

a battery maintainer can help. It keeps the battery charged while not in use.

6. Charging your car battery

use a suitable charger. Follow the manufacturer’s instructions carefully.

do not overcharge. This can damage the battery.

7. When to replace your car battery

replace if it’s over five years old. Performance declines with age.

frequent jump-starts are a sign. It’s time for a new battery.

8. Choosing the right battery

select a battery that fits your car. Consult your car’s manual.

consider climate. Some batteries are better for hot or cold environments.

9. Professional help

consult a mechanic if unsure. They can test and recommend a replacement.

regular check-ups can prevent unexpected failures. Keep your car running smoothly.

Conclusion

A car battery’s lifespan without charging varies. Factors like weather, age, and usage impact how long it lasts. Typically, a car battery can last between two and four weeks without charging. Regular maintenance helps extend its life. Check connections and clean terminals to prevent issues.

If your car sits idle, consider using a trickle charger to maintain battery health. Every car and battery is different, so results may vary. Keeping an eye on your battery’s condition is key. Understanding these basics can help avoid unexpected breakdowns.

Ensure your battery is in good shape for reliable performance. Taking these simple steps can save time and money in the long run. Always be proactive with your car’s battery care.

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