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Best Lithium-Ion Batteries 2024

April 2, 2024

Greetings, tech enthusiasts and savvy shoppers! As we venture into 2024, the quest for the most reliable and efficient power sources continues to be a critical aspect of our tech-driven lives. Lithium-ion batteries stand at the forefront of this quest, offering a blend of longevity, power, and convenience that is hard to match. Our annual roundup is back, and it's tailored to guide you through the labyrinth of options to the best lithium-ion batteries that the year has to offer.

This year's selection is a testament to the incredible strides made in rechargeable battery technology. With a focus on innovation, we've witnessed remarkable improvements in capacity, charging speeds, and overall durability. Our curated list is the result of meticulous research, incorporating user experiences and industry insights to ensure that you're equipped with nothing but the cream of the crop. Whether you're powering high-drain devices or looking for sustainable energy solutions, our roundup is designed to cater to a diverse array of needs and preferences.

As we delve into the top picks for 2024, we invite you to explore the myriad benefits that lithium-ion batteries bring to our increasingly connected world. From powering the smallest gadgets to energizing the most demanding equipment, these batteries are the unsung heroes in the narrative of technological progress. Join us as we unveil the champions of portable power and arm you with the knowledge to make an informed decision for all your energy needs.


Panasonic Eneloop Pro: High-Performance Rechargeable Batteries

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Panasonic BK-4HCCA16FA Eneloop Pro AAA High Capacity Ni-MH Pre-Charged ... -- 44.07(Amazon)

Panasonic BK-3HCCA8BA eneloop pro AA High Capacity Ni-MH Pre-Charged Rec... -- 36.87(Amazon)

Panasonic BK-3HCCA16FA Eneloop Pro AA High Capacity Ni-MH Pre-Charged ... -- 84.99(B&H Photo-Video-Audio)

Panasonic K-KJ75KHC4BA Advanced Battery Charger with USB Charging Port a... -- 30.84(Amazon)

Panasonic BK-3HCCA8BA Eneloop Pro Battery - AA - NiMH -- 27.68(eBay - good-faith1113)

BK-3HCCA4BA eneloop pro AA High-Capacity Ni-MH Pre-Charged Rechargeable ... -- 21.89(Amazon)

Why We Picked It

The Panasonic Eneloop Pro batteries stand out for their high capacity and low self-discharge rate, making them an excellent choice for powering high-drain devices like digital cameras, flashlights, and gaming controllers. Their ability to be recharged up to 500 times and maintain 85% of their charge for up to one year ensures long-term savings and convenience. Pre-charged by solar power and ready to use straight out of the package, these batteries not only offer superior performance but also contribute to a more sustainable environment.

Who It's For

Ideal for individuals who frequently use devices requiring a reliable and powerful battery source. Whether you're a professional photographer, a gaming enthusiast, or someone who relies on battery-powered devices for daily tasks, the Panasonic Eneloop Pro batteries are designed to meet the demands of high-drain gadgets, ensuring that you're never left powerless. However, due to their higher price point, they may not be the best fit for those on a tight budget or with minimal power needs.

PROSCONS
✅ Rechargeable up to 500 times, offering significant long-term savings❌ More expensive than some other rechargeable battery brands
✅ Pre-charged and ready to use, with 85% charge retention after one year❌ May not be cost-effective for low-drain devices
✅ Performs in extreme temperatures down to -4 degrees Fahrenheit❌ Initial investment higher than disposable batteries

Samsung INR18650-35E: Best Balance for Moderate-Drain Devices

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Samsung 35E INR 18650 3500mAh 3.7V Unprotected High-Drain 8A Lithium Ion... -- 7.5(BatteryJunction)

Why We Picked It

The Samsung INR18650-35E is a versatile battery that strikes a balance between high capacity and a decent discharge rate, making it suitable for a range of devices that require reliable power without the need for extreme current draw.

Who It's For

This battery is ideal for users looking for a reliable power source for moderate-drain devices such as standard flashlights, portable electronics, and lower power vaping devices. It may not be the best fit for those who need batteries for very high-drain applications, like high-performance flashlights or some high-wattage vaping mods.

PROSCONS
✅ High capacity of 3500mAh for extended use❌ Not suitable for extremely high-drain devices
✅ Stable 3.7V output suitable for consistent performance❌ Unprotected cell requires careful handling and usage
✅ Reasonable price point at $7.50 per battery❌ Limited maximum discharge current of 8A

LG Chem INR21700: High-Efficiency Power Solution

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36v 2kWh Robot Battery LG 21700 Li-ion Cells x1 Working Modified 100A BMS -- 359(Jag35)

Lithium 2170 21700 Battery Cell 5000mAh 14.4A INR2170 M50 LT - By The Case -- 799(EV West)

Molicel/NPE INR-21700-P42A 45A 4200mAh Flat Top 21700 Battery -- 4.85(18650 Battery Store)

LG Chem RESU16H Prime 16kWh Lithium-ion Battery Pack -- 7000(Tandem Solar Systems)

Why We Picked It

The LG Chem INR21700 stands out for its high energy density and long cycle life, making it an ideal choice for applications requiring reliable and sustained power delivery. Its capacity to support electric vehicles and large energy storage systems without frequent replacements or maintenance underscores its efficiency and durability. This cell's performance is backed by LG Chem's reputation for quality and innovation in battery technology, ensuring users get a product that meets high standards of safety and performance.

Who It's For

This battery cell is best suited for manufacturers and DIY enthusiasts working on electric vehicles, renewable energy storage solutions, or any project that demands a reliable, high-capacity power source. It's also a great fit for those looking to upgrade their existing battery systems to achieve longer runtimes and reduced maintenance. However, it may not be the right choice for devices or projects specifically designed to use the smaller 18650 battery cells due to compatibility issues.

PROSCONS
✅ High energy density enhances runtime and efficiency❌ Size may not be compatible with devices designed for 18650 cells
✅ Long cycle life reduces the need for frequent replacements❌ Higher upfront cost compared to standard batteries
✅ Suitable for a wide range of high-demand applications❌ May require specialized chargers or management systems

Sony VTC6: High-Performance Battery for Power Users

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Sony VTC6 18650 3000mAh 15A Battery -- 5.94(Sriko Batteries)

Sony | Murata VTC6 18650 3000mAh 15A Battery -- 6.49(IMRbatteries)

Why We Picked It

The Sony VTC6 18650 3000mAh 15A Battery stands out for its high discharge rates, making it an excellent choice for power-intensive applications like vaping. Its reputation for reliability and performance, coupled with a reasonable price point, positions it as a top pick for enthusiasts and users requiring consistent, high-power output from their devices.

Who It's For

Ideal for vaping enthusiasts and users of high-drain devices looking for a reliable power source that can handle intensive use. The Sony VTC6 is also a great choice for those who prioritize battery life and performance in their gadgets.

PROSCONS
✅ High discharge rate suitable for power-intensive applications❌ Can be more expensive compared to other batteries
✅ 3000mAh capacity offers long-lasting use between charges❌ High demand may lead to availability issues
✅ Reputable brand known for quality and reliability❌ Specifically designed for high-drain devices, may not be necessary for all users

Tesla Powerwall (for home energy storage): Best Home Energy Storage for Solar Integration

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Tesla Powerwall 2 -- 8100(Solar Cellz USA)

Wall Mounted Powerwall for 48V 100AH 200AH Tesla Powerwall 10KWH 15KWH H... -- 1157.59(AliExpress.com)

Why We Picked It

The Tesla Powerwall is a cutting-edge solution for home energy storage that pairs exceptionally well with solar power systems. Its ability to provide reliable backup power and facilitate energy independence makes it a standout choice for homeowners looking to enhance their sustainable living practices. The Powerwall's smart features and seamless integration with the Tesla app allow for real-time energy monitoring and management, ensuring that users can maximize their energy savings and reduce their carbon footprint.

Who It's For

The Tesla Powerwall is ideal for environmentally conscious homeowners who have invested in or are considering solar panels and want to maximize their use of renewable energy. It's also perfect for those living in areas with frequent power outages or unstable grid conditions, providing peace of mind with its reliable backup power. However, it may not be the best fit for individuals looking for a low-cost, short-term solution due to its higher upfront investment.

PROSCONS
✅ Seamless integration with solar energy systems❌ High upfront cost compared to other storage options
✅ High reliability and efficiency in energy storage❌ Requires professional installation
✅ Smart monitoring and management through Tesla app❌ May require additional hardware for full functionality

Sanyo NCR20700B: High-Capacity Compact Power Solution

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Sanyo NCR20700B 10A 4250mAh Flat Top Rechargeable Battery -- 8.49(M&A BD Electronics)

4 Pcs of Nylon Case Pouch Holder Bag Storage for 2X18650 or 2X20700 or 2... -- 15.99(Amazon)

Sanyo NCR 20700B 4250mAh 15A Battery -- 6.99(IMRbatteries)

2-Pack 20700 Battery for Sanyo NCR20700B Rechargeable Li-Ion 3.7V 4250mAh -- 21.95(eBay - 24hourshipment)

Why We Picked It

The Sanyo NCR20700B stands out for its excellent balance between size and capacity, making it an ideal choice for those in need of reliable power for portable devices such as power banks. Its 4250mAh capacity ensures long-lasting power, while its 10A to 15A current range provides the versatility needed for various applications. Despite its slightly less common size compared to other models, its performance and reliability make it a compelling option for users looking for an upgrade in battery life without significantly increasing the size of their devices.

Who It's For

This battery is best suited for individuals who require a reliable and high-capacity power source for their portable devices, such as DIY enthusiasts, outdoor adventurers, or anyone relying on power banks for extended periods. It's also a great fit for those interested in building or upgrading their own electronic projects that require a compact yet powerful battery solution.

PROSCONS
✅ High capacity of 4250mAh for extended use❌ Not as widely available as other battery models
✅ Suitable size for portable power banks and other compact devices❌ May require specific chargers due to its unique size
✅ Versatile current range (10A to 15A) for various applications❌ Slightly higher price point compared to more common battery sizes

Energizer Ultimate Lithium: Best High-Performance Non-Rechargeable Batteries

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Energizer Ultimate Lithium AA Batteries (18 Pack) -- 34.98(Sam's Club)

Energizer Ultimate Lithium AA Batteries -- 7.99(Michaels Stores)

Energizer Ultimate Lithium AA Batteries, 24 Pack -- 60.63(Amazon)

Why We Picked It

The Energizer Ultimate Lithium batteries are chosen for their exceptional performance and reliability. They are designed to last up to 8 times longer in digital cameras compared to standard alkaline batteries, and their lightweight construction makes them ideal for portable devices. With the ability to perform in extreme temperatures and a leak-resistant build, they are perfect for a wide range of applications, especially where consistent power is crucial.

Who It's For

These batteries are best suited for individuals who rely on high-drain devices such as digital cameras, outdoor sensors, and emergency equipment. They are also ideal for those who need dependable power in extreme weather conditions or for devices that are not used frequently, as they have a long shelf life. However, they may not be the best choice for those who prefer rechargeable options due to environmental concerns or for applications that require frequent battery replacements.

PROSCONS
✅ Last up to 8x longer in digital cameras compared to standard batteries❌ Non-rechargeable, which may not be suitable for all applications
✅ Performs in extreme temperatures from -40°F to 140°F❌ Higher upfront cost compared to regular alkaline batteries
✅ 15-year storage life with leak-resistant construction❌ Not the most environmentally friendly option due to single-use nature

Duracell Ion Speed 4000: Fast and Efficient Battery Charging Solution

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Duracell Ion Speed 4000 Battery Charger for AA/AAA NiMH Batteries -- 19.71(Amazon)

CEF27 ION SPEED 4000 Hi-Performance Charger, Includes 2 AA and 2 AAA NiM... -- 19.9(Amazon)

Duracell Ion Speed 4000 Battery Charger 1 Count -- 37.99(eBay - dealshark_club)

DURCEF27 - ION Speed 4000 Hi-Performance -- 30.11(Amazon)

Duracell Ion Speed 4000 Battery Charger - New Electronics -- 13.3(Mercari)

Why We Picked It

The Duracell Ion Speed 4000 stands out for its fast charging capabilities, making it an excellent choice for those who rely on AA and AAA batteries for their everyday electronics. It's not just about speed; this charger also comes with premium Duracell Rechargeable Pre-Charged batteries, ensuring you have high-quality, ready-to-use batteries right out of the box. The inclusion of an LED Charge Status Indicator and Auto Shutoff feature adds convenience and safety, ensuring your batteries are charged efficiently without the risk of overcharging.

Who It's For

This product is ideal for individuals or families who frequently use devices requiring AA or AAA batteries, such as remote controls, toys, flashlights, and portable audio players. It's especially suited for those who value quick recharge times and the convenience of having a reliable set of rechargeable batteries on hand. However, it may not be the best fit for those who are looking for a charger to use with less common battery sizes or those who prioritize durability over charging speed in a charger.

PROSCONS
✅ Charges batteries in 1 to 2.5 hours with 4000 mW charge power, ensuring quick turnaround for your devices.❌ Charger may not be as durable as the batteries themselves, raising concerns about long-term reliability.
✅ Comes with 2 AA and 2 AAA premium Duracell Rechargeable Pre-Charged batteries, ready to use.❌ Limited to charging AA and AAA batteries, which may not meet the needs of all users.
✅ Features LED Charge Status Indicator and Auto Shutoff for efficient and safe charging.❌ Price variations may make it less accessible to some potential buyers.

Anker PowerCore+ 26800mAh: Best High-Capacity Fast Charger

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PowerCore+ 26800mAh PD 45W with 60W PD Charger, Power Delivery Portable ... -- 79.98(Amazon)

Power Bank, 26,800 mAh External Battery with Dual Input Port and Double-... -- 55.4(Amazon)

Anker PowerCore+ 26800mAh PD 45W with 60W PD Charger, Power Delivery Por... -- 119.99(Walmart - SHAKWI)

Hard Case Replacement for Anker 537 Power Bank PowerCore+ 26800mAh PD Po... -- 16.99(Amazon)

Why We Picked It

The Anker PowerCore+ 26800mAh is a high-capacity portable charger designed to keep your devices powered up on the go. Its fast charging technology and robust power output make it an ideal companion for heavy gadget users who need to charge multiple devices or require a quick power boost for their laptops.

Who It's For

This portable charger is best suited for tech-savvy individuals, frequent travelers, or professionals who rely on multiple devices throughout the day, such as smartphones, tablets, and USB-C laptops. It's especially useful for those who own devices compatible with Power Delivery (PD) and require a dependable power source during long trips or in areas with limited access to power outlets.

PROSCONS
✅ Massive 26800mAh capacity can charge an iPhone X up to 6 times❌ Bulkier and heavier than lower capacity models, making it less convenient for light packers
✅ 45W USB-C port for fast laptop charging, plus two 15W USB ports for additional devices❌ Higher price point compared to other portable chargers with lower capacities
✅ Includes a 60W wall charger for rapid recharging of the power bank in under 3.5 hours❌ May be too powerful for users with basic charging needs, leading to underutilization


Thanks for reading! If you have any more questions or need further assistance, feel free to reach out. I'm here to help you find the best lithium-ion battery for your needs.

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