The Best Rechargeable Battery Charger - Expert Recommendations

An economical and effective way to power the battery-run electronics in your home is with rechargeable batteries. When your rechargeable batteries are running low on power, put them in your charger, and they will be fully functional in a few hours.

Any rechargeable battery of the right size and type should be able to pair with the majority of chargers. Although AA and AAA batteries are the most frequently supported sizes, some chargers also work with C and D batteries. Refer to the specs of each product for a full list of relevant sizes. Some rechargeable battery chargers have the ability to charge up to 16 or even 40 batteries at once.

You'll need many rechargeable batteries if you own a lot of devices. Below is the list of the best rechargeable battery chargers to keep your batteries charged. 

• Panasonic Eneloop BQ-CC55 - Best AA and AAA battery charger

• EBL 6201 - Best Charger via USB

• Tenergy TN480U - Battery Charger with The Most Slots

• Tenergy TN456 - Battery Charger with The Most Features

• Energizer AA and AAA Battery Charger - Efficient Battery Charger with Great Design

We conducted our research on a few dozen rechargeable battery chargers on the market and found these five best chargers that are worth taking a look.

1. Panasonic Eneloop BQ-CC55 - Best AA and AAA battery charger

PRODUCT SPECS: 

• Brand: eneloop

• Product Dimensions: 1.13"D x 2.69"W x 4.75"H

• Color: White

• Input Voltage: 240 Volts

• Item Weight: 0.26 Pounds

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PROS:

• Charges AAA (LR03) and AA (LR6) batteries

• Ability to charge from one to four batteries at once 

• Each battery has LED charging indicator

• Smart charger

• Can identify faulty batteries

• Built-in socket in the back (cordless)

• Lightweight

• Inexpensive

CONS:

• After 3-hour charging, the batteries become very hot. 

• A mild sound of power running through each battery.

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The Panasonic Eneloop BQ-CC55, which has four slots, is easy to use. First, insert the batteries - any brand of AAA or AA NiMH batteries will work. After that, simply open the AC plug, attach the charger to your power outlet, and await the status light indicator to show that each battery has been fully charged. 

When the batteries complete charging, an auto-shutoff function detects their level of charge and immediately turns the power off. The BQ-CC55 scored admirably in our drain-time and battery-capacity testing and it comes from a manufacturer we have faith in based on years of user experience. It also has a plain, unassuming appearance that will blend into most rooms' backgrounds.

2. EBL 6201 - Best Charger via USB

PRODUCT SPECS: 

• Brand: EBL

• Color: Black

• Charging Time: 3.5 Hours

• Input Voltage: 5 Volts

• Output Voltage: 3 Volts.

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PROS:

• 2 Hours Fast Battery Charger

• Separate AA AAA Battery Charger

• Auto-detect Function

• Advanced MCU Control System

• Type C or USB Charging ways

CONS:

• Only compatible with the USB cable that comes with it.

• After two hours of charging, All Ni-Mh batteries get EXTREMELY HOT

• Some users complain that some of the compartments stop working after a few times of usage. 

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Many of the functions available on the Panasonic BQ-CC55 are also included on the four-bay EBL 6201 charger: It can simultaneously charge up to four NiMH batteries, automatically shuts off power after charging is finished, has notification lights above each battery slot, and is reasonably small and portable. 

However, the EBL incorporates USB input ports on the side in place of an AC socket, allowing you to charge your AAA or AA batteries with any Micro-USB or USB-C cable and power source of your choice (a laptop, power bank, or wall charger).

Therefore, rather than using up an entire outlet, you may plug the EBL into a USB wall charger that is already present in the area where you want to charge your batteries, such as near a desk or bedside table.

Also, don’t forget to check out our reviews of the Best USB C Hubs for Computer of 2023.

3. Tenergy TN480U - Battery Charger with The Most Slots

PRODUCT SPECS: 

• Brand: Tenergy

• Item Weight: 145 Grams

• Product Dimensions: 3.94"D x 5.39"W x 1.02"H

• Input Voltage: 240 Volts

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PROS:

• Intelligent charging - Completely recharge one to eight AAA/AA NiMH batteries without pairs.  

• Rapid Charge - Each slot can recharge at up to 500mA speed of charging. 

• Convenient USB inputs - Recharge anywhere with the micro USB or USB C input. 

• Protections - includes integrated safety protections

• Easy to read - receive in-depth charging information for each slot. 

CONS:

• Might not be compatible with every type of rechargeable battery.

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For those who frequently need to charge a large number of NiMH batteries at once, the Tenergy TN480U eight-bay charger is the best option. It charges from two to four A batteries and has eight slots for separately charging them. On a scale of one to five, the TN480U's screen indicates which batteries are being charged and their level of charge.

Since this charger is more compact and smaller than the majority of the eight-slot chargers we've examined, it blends in well with its surroundings. When looked closely, the screen is bright and easy to read, but when seen from a distance, it is nicely subdued.

The TN480U is powered by USB-C or Micro-USB or and is provided with a rubber-band cable tie and a Micro-USB charging cable. However, you'll need to get your own USB wall charger. 

Related post: The Best Ethernet Cable for Gaming Worth Buying in 2023.

4. Tenergy TN456 - Battery Charger with The Most Features

PRODUCT SPECS: 

• Brand: Tenergy

• Color: Black

• Input Voltage: 240 Volts

• Item Weight: 192 Grams

• Product Dimensions: 5"D x 5"W x 10"H

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PROS:

• Works with various-sized NiMH, NiCd, or Li-ion batteries

• Customized charging - with four separate charging slots

• Two built-in modes: Charge and Test

• Smart one-button design

• 1-year warranty, backed by lifetime customer support.

CONS:

• Some users complain that the lights keep blinking but the charger doesn’t work. 

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For those who prefer to helicopter-parent their batteries in an effort to extend their lifespan, the Tenergy TN456 four-bay charger is the perfect choice. To charge a range of battery sizes at their fastest rates, you can specify unique charge rates ranging from 300 to 1,000 milliamperes (mA). 

It also enables you to monitor the capacity, voltage, internal resistance, and charge cycles of your batteries. The size-adjustable slots on this charger allow you to charge a wide range of battery types, including two to four A batteries and C batteries, in contrast to the rest of our recommendations.

Related post: The Best Wireless Charger for Smart Home in 2023.

5. Energizer AA and AAA Battery Charger - Efficient Battery Charger with Great Design

PRODUCT SPECS: 

• Brand: Energizer

• Color: Black

• Input Voltage: 240 Volts

• Item Weight: 0.64 Pounds

• Product Dimensions: 2.68"D x 4.33"W x 9.65"H

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PROS:

• Fold out plug design allows for easy storage when the charger is not being used.

• Fast charging power : full charge takes 4 hours.

• The overcharge protection and auto safety turnoff features help to make sure that your batteries aren’t overcharged. 

CONS:

• Might not be compatible with every AA or AAA NiMH rechargeable battery.

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Your devices will remain functional with the help of the Energizer Recharge Pro AA battery charger. Your batteries will be fully charged in no time thanks to its fast charging rate, while the battery slots are perfectly spaced to avoid alignment issues and poor contact, which can spoil charging attempts. Additionally, it is lightweight, so it won't add excessive weight to your purse or workstation.

You might be interested in learning about the best adjustable gaming desk with top choices and guides written by our gaming expert. 

1. Who uses rechargeable battery chargers?

Anyone who wishes to make a difference can use these rechargeable battery chargers. Rechargeable batteries can save you a ton of money while also protecting the environment. By avoiding the purchase of new batteries every time the old ones burn out, you can decrease the quantity of disposable waste released. If you're looking for a one-time-investment battery charger, then this is definitely for you.

2. Do all batteries function the same way?

Rechargeable batteries typically last between two and five years and can be charged repeatedly. Despite costing more than alkaline batteries, they are ultimately more cost-effective because of their extended lifespan. On the other hand, non-rechargeable batteries work well but deteriorate quickly. One of the difficulties cited by customers is the fact that rechargeable batteries can have a lower voltage rating than single-use batteries. This might have an impact on the output and functionality of a device. This isn't always the case, though.

3. Is it worth buying a rechargeable battery charger?

Rechargeable batteries can run out and then be reused. Non-rechargeable batteries, however, cannot be recharged after they have been completely used up. This is the primary distinction between non-rechargeable and rechargeable batteries.  

Batteries that can be recharged cost more than non-rechargeable batteries. In the long run, however, using rechargeable batteries is more cost-effective. Non-rechargeable batteries may appear more inexpensive than rechargeable ones, but when you have to replace them every few months, the cost adds up.

To sum up, the Panasonic Eneloop BQ-CC55 would be the best rechargeable battery charger we’d pick. It incorporates notification LEDs over each battery slot and a fold-out plug that allows it to fit flat on your wall outlet. Additionally, four batteries can be charged simultaneously.