8 Incredible 18650 Battery 3.7V For 2023

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Are you in need of a reliable and long-lasting power source for your electronic devices? Look no further than the incredible 18650 Battery 3.7V for 2023. These batteries offer outstanding performance and an impressive capacity, ensuring that your devices will always have the power they need. Whether you're a tech enthusiast, a frequent traveler, or someone who simply relies on their gadgets daily, these 18650 batteries are a must-have. With advancements in technology, these batteries have become even more powerful and efficient, offering extended usage time and enhanced reliability. Don't settle for subpar batteries; choose the 8 incredible 18650 Battery 3.7V for 2023 and experience the difference for yourself.


The REACELL 4 Pack Rechargeable Battery is a high-power, long-lasting battery suitable for various devices such as headlamps, flashlights, solar lights, and more. With a capacity of 3000mAh and a voltage of 3.7V, it provides strong power for your devices. It is compatible with a wide range of high-power devices and can be recharged up to 1000 times, making it a cost-effective and environmentally friendly choice. The battery is secure and reliable with 6 protection measures, ensuring safety during use. With this pack, you get 4 high-performance 3.7 Volt rechargeable batteries and excellent customer service. Overall, the REACELL 4 Pack Rechargeable Battery offers great value for the money.

Key Features

  • Battery Specification: 3000m Ah capacity, 3.7V voltage, 671818mm size
  • Wide Compatibility: Suitable for high-power devices like headlamps, flashlights, radios
  • Rechargeable 1000+ Times: No memory effect, replaces 1000+ disposable batteries
  • Secure and Reliable: Certified and equipped with 6 protection measures
  • What You Get: 4 high-performance batteries and 12 months warranty
  • Specifications

  • Color: 4 Pack
  • Pros

  • Wide compatibility with high-power devices
  • Can be recharged up to 1000 times
  • Secure and reliable with 6 protection measures
  • Good value for the money
  • Excellent customer service
  • Cons

  • May not fit all devices perfectly

    The REACELL 4 Pack Rechargeable Battery is a reliable and cost-effective choice for powering your high-power devices. With its high capacity and long lifespan, it offers great value for the money. The batteries are secure and reliable with multiple protection measures, providing peace of mind during use. The ability to recharge them up to 1000 times greatly reduces waste and saves resources. Although they may not fit all devices perfectly, overall, these batteries perform well and have received positive customer reviews. If you’re in need of dependable rechargeable batteries, the REACELL 4 Pack is definitely worth considering.


    The Tokeyla 2pcs 3.7V 18650 Rechargeable Battery is a high-capacity battery designed for a variety of devices such as flashlights, headlamps, RC cars, and landscape path lights. With a large capacity of 5000mAh, this battery provides long-lasting power for your high-power devices. The package includes two batteries with button top size measuring 2.63 inches x 0.7 inches x 0.7 inches. These rechargeable batteries are compatible with a wide range of devices, including radios, doorbells, LED lights, solar lights, toys, small fans, and more. It is essential to use compatible chargers to avoid any potential hazards caused by excessive charging voltage or current. The Tokeyla 2pcs 18650 Rechargeable Battery offers convenience and reliability for your power needs.

    Key Features

  • Package Included: 18650 Rechargeable Battery 3.7V 5000m Ah (2 Pack)
  • Wide Compatibility with high-power devices
  • Charge Attention: Use compatible chargers to avoid hazards
  • Specifications

  • Size: 2 pack Button Top
  • Pros

  • High-capacity battery for long-lasting power
  • Compatible with a variety of devices
  • Convenient package with two batteries
  • Cons

  • Requires compatible chargers for safe charging

    The Tokeyla 2pcs 3.7V 18650 Rechargeable Battery offers a reliable and convenient power solution for a wide range of devices. With its high capacity of 5000mAh, you can expect long-lasting power to keep your devices running. The battery is compatible with various devices, making it a versatile option. However, it is crucial to use compatible chargers to avoid any potential hazards. Overall, this battery provides great value for its performance and convenience.


    The Skywolfeye 2 Pack 18650 Rechargeable Batteries are a reliable and durable option for electronic devices. With a real capacity of 2600mAh, these batteries have a long battery life and can be used in a variety of devices such as LED flashlights, emergency lights, portable devices, and more. They can be recharged up to 1050 cycles, which means you won't have to frequently buy batteries. These flat top batteries are compatible with headlamps, doorbells, cameras, and small fans, and they provide a quick and efficient power source. The product also offers reliable after-sales service, with a professional and satisfactory solution provided within 24 hours. Overall, these batteries are a great choice for those in need of a long-lasting and versatile power solution for their electronic devices.

    Key Features

  • Real 2600m Ah capacity
  • Compatible with various electronic devices
  • Long battery life
  • Rechargeable up to 1050 cycles
  • Flat top design
  • Specifications

  • Size: Flat, 2Pack
  • Pros

  • High capacity
  • Wide compatibility
  • Long-lasting battery life
  • Rechargeable
  • Reliable after-sales service
  • Cons


    The Skywolfeye 2 Pack 18650 Rechargeable Batteries are a reliable and versatile choice for powering your electronic devices. With a real capacity of 2600mAh and the ability to be recharged up to 1050 times, these batteries offer a long battery life and save you the hassle of frequently buying new batteries. Additionally, their compatibility with various devices and the included after-sales service ensure a satisfactory user experience. Whether you need batteries for LED flashlights, emergency lights, or portable devices, these flat top batteries provide a quick and efficient power source. Overall, the Skywolfeye 18650 Rechargeable Batteries are a worthy investment for anyone in need of reliable and long-lasting battery power.


    The CWUU 18650 Rechargeable Battery is a powerful and reliable option for your mobile devices. With a capacity of 9900mAh and a flat top design, these batteries are perfect for use in a variety of devices. They come in a pack of two, ensuring you always have a spare on hand. The batteries need to be fully charged before first use, so make sure to check that before purchasing. While some users have complained about the battery life diminishing after reaching around 20%, overall, they are still a decent choice for powering your devices.

    Key Features

  • Size: 65mm x 18mmx 18mm(2.550.70.7 inches) with FLAT top
  • Battery must be FULLY charged before first use
  • Specifications

  • Color: Flat Top
  • Size: 2 pack, Green
  • Pros


  • Batteries don't last long
  • Power output diminishes at lower battery levels

    The CWUU 18650 Rechargeable Battery offers a high capacity and flat top design, making it great for a range of mobile devices. While the battery life may not be the longest, it still provides enough power for everyday use. The need to fully charge before first use may be a slight inconvenience, but these batteries are a reliable option overall. If you’re in need of rechargeable batteries for your devices, give the CWUU 18650 a try.


    The CPZZ 18650 Rechargeable Battery is a powerful and reliable battery designed for use in various electronic devices. With a voltage of 3.7V, this rechargeable battery is perfect for flashlights, headlamps, video doorbells, mini fans, toy garden lights, and even solar lights. The battery comes in a size of 65*18*18 mm (2.55*0.7*0.7 inch) and features a flat top design. It is available in a pack of 2 and comes in a vibrant green color. Users have praised the product, describing it as amazing. Overall, this battery offers great performance and versatility for all your electronic devices.

    Key Features

  • 3.7v Rechargeable battery for electronic devices
  • Product size: 6518*18 mm (2.55*0.70.7 inch)
  • Widely used in flashlights, headlamps, video doorbells, and more
  • Specifications

  • Color: Green
  • Size: 2pack, flat top
  • Pros



    With its reliable performance and versatility, the CPZZ 18650 Rechargeable Battery is a great option for powering your electronic devices. Whether you need it for flashlights, headlamps, or even solar lights, this battery delivers. Its compact size and flat top design make it convenient for various applications, while the 3.7V voltage ensures a steady and long-lasting power supply. The positive feedback from customers further supports the quality of this product. Overall, the CPZZ 18650 Rechargeable Battery is a reliable choice that won’t disappoint.


    Get the Pack of 4 3.7 Volt Rechargeable Battery and bid farewell to disposable batteries. These high-capacity lithium-ion batteries are not only environmentally friendly but also versatile in various applications. With a voltage of 3.7V and a size of 18mm diameter and 67mm length, they are perfect for electronic toys, flashlights, headlights, and doorbells. Equipped with multiple protection functions like overcharge/overdischarge protection and reverse polarity protection, safety is ensured. You can save money as these batteries can be charged up to 1200 times. Ideal for both indoor and outdoor uses, these batteries are a convenient power source for activities like camping, fishing, and hiking. Enjoy the durability and reliability of these rechargeable batteries!

    Key Features

  • Voltage: Standard state 3.7V
  • Size: Diameter 18mm x Length 67mm
  • Weight: 58g ± 0.5g
  • PCB protection board with multiple protection functions
  • 2200m Ah high capacity rechargeable battery
  • Charging cycles up to 1200 times
  • Wide range of applications
  • Purchasing warranty and 24-hour email response
  • Specifications

  • Color: Pack of 4
  • Dimension: 2.56Lx0.71Wx0.71H
  • Size: 4 Count (Pack of 1)
  • Pros

  • Versatile and effective in various applications
  • No memory effect and long life
  • Great savings with rechargeable feature
  • Ideal for both indoor and outdoor use
  • Purchasing warranty for customer satisfaction
  • Cons


    The Pack of 4 3.7 Volt Rechargeable Battery is a reliable and cost-effective power solution. With a high capacity and the ability to be charged up to 1200 times, these lithium-ion batteries provide long-lasting power for electronic devices. The multiple protection functions ensure safety during use, and the wide range of applications make them suitable for various settings. Whether you need to power your flashlight during a camping trip or use them as an emergency power source, these rechargeable batteries are a practical choice. Enjoy the convenience, durability, and savings that come with using rechargeable batteries with the Pack of 4 3.7 Volt Rechargeable Battery!


    The COSHIP 3.7V Lithium-ion Battery 18650 is a flat top rechargeable battery with a capacity of 3200mAh. It offers high performance with a stable 3.7-volt output voltage and no memory effect. The battery is equipped with multiple protective features, including overcharging, over-discharging, short-circuit, and overheating protection. This ensures the safety of the battery during charging and usage. With its versatile applications, this battery can be used for various electronic devices such as LED flashlights, emergency lights, portable devices, headlights, toys, and more. The COSHIP 3.7V Lithium-ion Battery 18650 comes in a pack of 2 and is available in a vibrant orange color.

    Key Features

  • 18650 Rechargeable Battery size: 6518*18mm (2.56*0.710.71inch)
  • High Performance with 3200m Ah capacity and no memory effect
  • Safety Assurance with integrated safety circuit
  • Wide Application for various electronic devices
  • Warm Service with excellent customer support
  • Specifications

  • Color: Flat Top-Orange
  • Size: 1 Count (Pack of 2)
  • Pros

  • High capacity and no memory effect
  • Multiple protective features for safety
  • Versatile applications for various devices
  • Brilliant orange color
  • Cons

  • Requires confirmation of battery size and type before purchase

    The COSHIP 3.7V Lithium-ion Battery 18650 is a reliable and high-performing rechargeable battery. With its 3200mAh capacity, it provides a stable 3.7-volt output voltage, making it efficient for a wide range of electronic devices. The integrated safety circuit ensures protection against common issues like overcharging and short-circuiting. The battery’s vibrant orange color adds a touch of style. However, it is important to verify the battery size and type compatibility before purchasing. Overall, this 2-pack of COSHIP 3.7V Lithium-ion Batteries 18650 is a great choice for anyone looking for reliable and versatile rechargeable batteries for their devices.


    The CPZZ 3.7v Rechargeable Battery is a reliable power source for a wide range of electronic devices including flashlights, headlamps, and garden lights. With a high capacity of 9900mAh, this battery ensures long-lasting usage and reliable performance. The compact size of 67*18*18mm (2.63*0.7*0.7inch) makes it easy to carry and convenient to use. Designed with a button top, it is compatible with many popular devices. Whether you need a reliable battery for outdoor activities or everyday use, the CPZZ 3.7v Rechargeable Battery is a top choice.

    Key Features

  • 18650 Rechargeable battery for flashlights, Headlamps, garden lights, etc.
  • Product size: 671818mm, voltage: 3.7V, button top
  • Specifications

  • Size: 4pack
  • Type: Button Top
  • Pros

  • High capacity of 9900m Ah for long-lasting usage
  • Wide application in various electronic devices
  • Compact size for easy portability
  • Cons


    The CPZZ 3.7v Rechargeable Battery offers impressive capacity and versatility, making it an excellent choice for powering various electronic devices. Its high customer rating and positive reviews reflect its performance and reliability. With its compact size and button top design, it offers convenience and compatibility. Whether you need it for your flashlight, headlamp, or garden light, this battery provides long-lasting power and peace of mind. Investing in the CPZZ 3.7v Rechargeable Battery ensures a reliable power source for your devices, making it a must-have for anyone seeking dependable performance.


    18650 Battery 3.7V: A Buyer's Guide


    • Understanding the Basics
    • Factors to Consider
    • Popular Applications
    • Maintenance and Safety Precautions
    • Comparing Brands and Prices

    Understanding the Basics

    • 18650 batteries are rechargeable lithium-ion batteries that have a voltage rating of 3.7V.
    • They are called "18650" due to their dimensions, measuring approximately 18mm in diameter and 65mm in length.
    • These batteries are commonly used in a wide range of devices, from flashlights and laptops to electric vehicles and power tools.

    Factors to Consider

    1. Capacity: The battery's capacity is measured in milliampere-hours (mAh) and determines how long the battery can power a device before needing to be recharged. Higher mAh ratings indicate longer usage times.
    2. Voltage: Ensure that the battery you choose has a voltage rating of 3.7V to match your device's requirements. Using the wrong voltage may damage your device or compromise its performance.
    3. Chemistry: Lithium-ion (Li-ion) and lithium-ion polymer (LiPo) are the most common chemistries for 18650 batteries. While Li-ion offers higher capacity, LiPo batteries are often lighter and more flexible in terms of shape.
    4. Rechargeability: Confirm that the battery is rechargeable, as non-rechargeable batteries may not be cost-effective or environmentally friendly in the long run.
    5. Brand Reputation: Opt for well-known and reputable brands to ensure product quality, reliability, and safety.

    Popular Applications

    • Flashlights: 18650 batteries are highly favored by flashlight enthusiasts due to their high capacity and compatibility with various flashlight models.
    • Vaping Devices: Many e-cigarettes and vaporizers use 18650 batteries, providing longer usage times for vaping enthusiasts.
    • Laptops and Power Banks: These batteries are also used in some laptops and power banks, allowing for extended usage with portable devices.
    • Electric Vehicles: Some electric vehicles, such as electric bikes or scooters, use multiple 18650 batteries to power their motors.
    • Power Tools: Cordless power tools, such as drills and saws, often rely on 18650 batteries for their portability and high power output.

    Maintenance and Safety Precautions

    1. Charging: Always use a compatible charger specifically designed for 18650 batteries. Avoid overcharging or leaving the battery on the charger for extended periods.
    2. Storage: When not in use, store your batteries in a cool and dry place. Avoid exposing them to extreme temperatures or direct sunlight.
    3. Protection Circuit: Consider using 18650 batteries with built-in protection circuits to prevent overcharging, short circuits, or excessive discharge.
    4. Transportation: If carrying loose batteries, place them in protective cases or sleeves to prevent accidental discharge or damage.
    5. Disposal: Dispose of old or damaged batteries responsibly at designated recycling centers. Do not dispose of them in regular trash or incinerate them.

    Comparing Brands and Prices

    When deciding on a brand or price range for your 18650 batteries, consider the following:

    1. Brand Reputation: Look for brands known for their quality and reliability, as they are more likely to produce batteries with consistent performance and safety features.
    2. User Reviews: Read customer reviews and ratings to get an idea of how well a specific brand or model has performed for others.
    3. Price Range: While it's tempting to opt for the cheapest option, remember that quality batteries may require a slightly higher investment. Finding a balance between price and performance is crucial.
    4. Warranty: Check if the batteries come with any warranty or guarantee, as this can provide peace of mind and protection against any manufacturing defects.



    Q: Are 3.7V 18650 batteries compatible with devices that require 3V batteries?
    A: Using 3.7V batteries instead of the required 3V batteries may damage your device or affect its performance. Stick to the recommended voltage.

    Q: Can I overcharge an 18650 battery?
    A: Overcharging can lead to battery damage or even pose safety risks such as fire hazards. Always follow the manufacturer’s guidelines for charging and avoid leaving the battery unattended while charging.

    Q: How long does an 18650 battery last before it needs to be recharged?
    A: The battery life depends on various factors such as the device’s power consumption and the battery’s capacity. Higher capacity batteries generally last longer but individual usage can vary.

    Q: Can I use 18650 batteries interchangeably between devices?
    A: While 18650 batteries are versatile, it’s essential to check the device’s voltage and compatibility requirements before using them. Using the wrong batteries may damage your device or compromise its performance.

    Q: What is the average lifespan of an 18650 battery?
    A: The lifespan of an 18650 battery varies depending on factors such as usage patterns, charging habits, and overall battery quality. On average, they can last anywhere from 300 to 500 charge cycles.

    Q: Can I replace a single 18650 battery instead of the entire pack in my device?
    A: If your device uses multiple 18650 batteries in a pack, it is generally recommended to replace the entire pack rather than individual batteries to maintain optimal performance and compatibility.

    Q: Can I carry spare 18650 batteries on an airplane?
    A: Transport rules for lithium-ion batteries vary depending on the airline and country. It is advisable to check the regulations and guidelines of your specific airline or contact them directly for accurate information.

    Q: Should I dispose of old 18650 batteries in regular trash?
    A: No, 18650 batteries contain hazardous materials and should be properly disposed of at designated recycling centers or through battery recycling programs. This helps prevent environmental pollution and ensures safe handling of potentially harmful substances.

    Q: Are 18650 batteries safe?
    A: When used correctly and with the necessary safety precautions, 18650 batteries are generally safe. However, mishandling, improper charging, or using damaged batteries can pose safety risks. Adhering to maintenance and safety guidelines is crucial for safe usage.

    Q: Can I use 18650 batteries in extreme temperatures?
    A: Extreme temperatures can impact the performance and lifespan of 18650 batteries. Avoid exposing them to temperatures below freezing or above 140°F (60°C) to maintain optimum performance and avoid potential damage.

    Q: Can I recharge an 18650 battery in any charger?
    A: It is important to use a charger that is compatible with 18650 batteries and meets the manufacturer’s specifications. Using the wrong charger can result in improper charging, reduced battery life, or safety hazards.