The Best 9V Rechargeable Batteries: Analysis and Advice

Published on: March 31, 2023
Written by Jonas Frank / Fact-checked by Nova Scarlett

Rechargeable batteries are becoming increasingly popular due to their convenience, environmental friendliness, and cost-effectiveness. They are more sustainable and less wasteful than traditional disposable batteries and can be used over and over again, saving consumers money in the long run.

best 9v rechargeable batteries

9V rechargeable batteries are particularly useful in a wide range of electronic devices, including smoke detectors, toys, musical instruments, and wireless microphones. However, not all rechargeable batteries are created equal, and it can be difficult to know which ones are the best for your needs.

What 9V Batteries Last the Longest?

There are a few things to consider when trying to determine which 9V battery will last the longest. Different brands of batteries may have different chemistries, which can affect how long they last. Additionally, some 9V batteries are designed for high-drain devices while others are not, so it is important to choose the right type of battery for your needs.

With that said, here are a few 9V batteries that tend to have above-average longevity:

  • Energizer Max: This battery is advertised as having up to 10 years of shelf life, making it a good choice if you need a long-lasting 9V battery.
  • Panasonic Industrial: These batteries are designed for heavy-duty use and as such, tend to last longer than other 9V options on the market.
  • Duracell Ultra: Duracell’s Ultra line of batteries is known for its high performance and long life span, making it another good option for a durable 9V battery.

Review of Best 9V Rechargeable Batteries

1. EBL USB Rechargeable 9V Lithium Batteries – 5400mWh Long Lasting

  • Brand: EBL
  • Manufacturer: EBL

The EBL USB Rechargeable 9V Lithium Batteries are a great product. They are long-lasting and have a high capacity. They are also rechargeable, so you don’t have to keep buying new batteries.

Our Recommendations

EBL batteries are the best! I’ve tried a lot of different brands and these are by far the longest-lasting and most powerful. They recharge quickly and hold their charge for weeks


  • Saves money on buying batteries
  • Convenient to charge
  • Good for the environment
  • Great for smoke detectors
  • Holds charge well


  • Short battery life 
  • Not powerful enough for highemand devices

2. EBL 9V Rechargeable Batteries 9 Volt Lithium-ion 600mAh Li-ion

  • Brand: EBL

EBL 9V Rechargeable Batteries are perfect for those who need a reliable and long-lasting battery. With a capacity of 600mAh, these batteries will keep you going for a long time. They’re also rechargeable, so you don’t have to worry about running out of power.

Our Recommendations

These batteries are amazing! They last forever and recharge really quickly. I’ve never had any issues with them, even when using them in high-drain devices. Highly recommend!


  • Good value for the price
  • Works as described
  • Longasting charge 
  • Great for use in various electronics
  • Reliable and good quality


  • Physically larger than other 9V batteries

3. 9V Rechargeable Batteries,9 Volt Rechargeable Batteries with Charger kit

  • Brand: Hixon
  • Manufacturer: Hixon
  • Color: 4 Batteries&Charger Upgraded

This product is great for those who need a reliable and durable 9v battery. The batteries are rechargeable, so you don’t have to keep buying new ones, and the charger is included so you can easily keep them topped off. They hold a good charge too- 850mAh should last a while before needing a boost.

Our Recommendations

These batteries are amazing! I’ve been using them for a while now and they work great. They hold their charge well and last a long time. I would highly recommend them to anyone.


  • Longasting battery life 
  • Good quality
  • Rechargeable
  • Prompt delivery and good packaging
  • Good for demanding applications


  • Overheating

What is the Highest mAh 9V Rechargeable Battery?

The highest mAh 9V rechargeable battery currently available on the market is the Tenergy Centura 9V with a capacity of 300mAh. This battery has a long cycle life and is made with low self-discharge NiMH technology, which means it can retain up to 85% of its charge even after a year of storage. The Tenergy Centura 9V is a reliable and cost-effective option for high-drain devices that require long-lasting power. However, it’s worth noting that higher mAh capacity batteries may also have longer charge times, so it’s important to consider your charging needs when selecting a battery. You have to know that you can use a higher mAh battery on your phone.

Buying Guide for Best 9V Rechargeable Batteries

If you’re looking for the best 9V rechargeable batteries, there are a few factors to consider before making your purchase. In this buying guide, we’ll explore the key considerations that will help you choose the right battery for your needs.

  • Capacity

Capacity refers to the amount of charge a battery can hold, measured in milliampere-hours (mAh). A higher-capacity battery will provide a longer run time, but it may also be more expensive. Consider the power needs of your devices and choose a battery with a capacity that meets your requirements.

  • Voltage

Most 9V rechargeable batteries have a nominal voltage of 8.4V when fully charged, but some may have slightly different voltage ratings. Make sure the battery you choose has the appropriate voltage for your device.

  • Chemistry

There are several types of rechargeable batteries available, including nickel-metal hydride (NiMH) and lithium-ion (Li-ion). NiMH batteries are more affordable and offer good performance for most applications, while Li-ion batteries are more expensive but provide higher energy density and longer run time.

  • Charge time

The charge time for rechargeable batteries can vary depending on the charger and battery capacity. Some batteries may charge quickly, while others may take several hours. Consider your charging needs and choose a battery with a charge time that works for you.

  • Cycle life

The cycle life refers to the number of times a battery can be charged and discharged before it loses capacity. A higher cycle (a 0-cycle battery means this is a new battery that has never been used before) life means the battery can be used for a longer period of time, making it a better long-term investment.

  • Price

Rechargeable batteries can range in price depending on capacity, chemistry, and other features. Consider your budget and choose a battery that offers the best value for your needs.

Final Words

Choosing the right 9V rechargeable battery can be a daunting task, especially with the many options available on the market. However, by considering the factors discussed in this article, such as capacity, voltage, chemistry, charge time, cycle life, and price, you can make an informed decision that meets your needs and budget.

When it comes to the longest-lasting 9V rechargeable batteries, the Panasonic Eneloop Pro, Tenergy Centura, EBL 9V, and Amazon Basics are all great options to consider. Each of these batteries has unique features that can provide reliable and long-lasting power for your devices.

Remember to also follow best practices for using and storing your 9V rechargeable batteries, such as charging them fully before use, using the correct charger, and storing them in a cool, dry place. With proper care and maintenance, your 9V rechargeable batteries can provide you with reliable and long-lasting power for years to come.

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