Tenergy TN456 Intelligent Universal Battery Charger

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84%
88%
Performance
91%
Ease of Use
93%
Battery Compatibility
70%
LCD Display Visibility
84%
Charging Speed
87%
Build Quality
89%
Versatility (Slots & Settings)
80%
Portability/Size
78%
USB Output Functionality
92%
Price-to-Value Ratio
75%
Customer Support
82%
Long-Term Durability
More

Overview

The Tenergy TN456 Intelligent Universal Battery Charger is a versatile device designed to accommodate a wide range of rechargeable batteries. This battery charger is compatible with NiMH, NiCd, and Li-ion batteries, making it suitable for various devices. With four independent charging slots, it allows users to charge multiple batteries simultaneously with personalized settings. The charger’s compact design and intuitive functionality make it a solid choice for those looking for an efficient charging solution. It stands out for its wide compatibility and user-friendly interface, offering flexibility for everyday and professional use.

Features & Benefits

This universal charger provides several features that enhance convenience and performance. It includes an adjustable charge current, ranging from 300mA to 1000mA, allowing for tailored charging based on the battery type. The LCD display provides real-time information on battery voltage, capacity, and internal resistance, giving users valuable insights into their battery’s condition. Additionally, the charger includes a USB output, enabling the simultaneous charging of external devices. With its personalized charging settings, the Tenergy charger offers a flexible solution for varied power needs.

Best For

The Tenergy charger is ideal for users who frequently charge a variety of rechargeable batteries. Whether you're a tech enthusiast with different devices or a professional needing to charge multiple batteries at once, this product offers convenience and efficiency. It is also a good option for household use, allowing you to keep all your devices powered up without needing multiple chargers. Those who value multifunctionality and prefer a charger that supports multiple battery types will find this unit a practical choice.

User Feedback

Users generally praise the Tenergy TN456 for its versatility and ease of use. Many find the adjustable charge current particularly useful for different battery types. However, some users have expressed concerns about the accuracy of the battery testing feature, with a few noting that the results may not always align with expectations. Additionally, while the charger performs well in most lighting conditions, a handful of reviews mention that the LCD display can be difficult to read in low light. Overall, the charger receives positive feedback for its reliable performance and user-friendly design.

#Battery & Charger Sets
#Household Batteries, Chargers & Accessories
#Electronics

Pros

  • Supports a wide range of rechargeable batteries, including NiMH, NiCd, and Li-ion.
  • Four independent charging slots allow users to charge different battery types simultaneously.
  • Adjustable charge current (300mA–1000mA) offers flexibility for different battery needs.
  • The LCD display provides detailed information like voltage, capacity, and internal resistance.
  • USB output feature lets users charge other devices while powering batteries.
  • Compact and lightweight, making it easy to store and carry for travel or home use.

Cons

  • Some users report the battery testing feature may not always provide accurate results.
  • LCD display is hard to read in low light conditions, making it less user-friendly in dim environments.
  • Charge time can be slower, especially when multiple batteries are charged at once.
  • No clear instructions for first-time users on how to navigate the settings.
  • Some users find the device less effective for charging larger or high-capacity batteries.
  • The build quality feels a bit flimsy, raising concerns about long-term durability.

Ratings

After analyzing verified user reviews from multiple platforms and languages, we’ve gathered a comprehensive picture of the Tenergy TN456 Intelligent Universal Battery Charger. Feedback highlights both the strengths and weaknesses of this device, as users share their experiences from various countries. Reviews were carefully filtered to exclude any spam, bot-generated, or exaggerated content, ensuring that only genuine and relevant feedback shaped the scores provided here. The following ratings reflect real user sentiment across key aspects of performance, usability, and value for money.

Performance
88%
Many users appreciate the reliable performance of this device when charging multiple battery types. Its ability to handle NiMH, NiCd, and Li-ion batteries without issues makes it a versatile solution for tech enthusiasts and everyday users alike. The adjustable charge current is particularly praised for accommodating different battery sizes efficiently.
Some users mention that while the charger performs well for most types, the charging speed can sometimes be slower than expected, especially with larger battery sizes. A few reviewers also noted that it takes longer to charge multiple batteries simultaneously compared to other models.
Ease of Use
91%
The user-friendly interface and intuitive design make this charger easy to operate right out of the box. Reviewers highlight the clear LCD display, which shows important metrics like battery voltage and capacity, making monitoring simple. Additionally, the independent charging slots with personalized settings are a big plus.
However, some users report difficulty reading the display in low light conditions, which can be frustrating when trying to check the charging progress. A few also wish the instructions were clearer, particularly for first-time users.
Battery Compatibility
93%
Users are particularly impressed with the charger’s ability to handle a wide range of battery types and sizes, including AA, AAA, 18650, and 26650. This flexibility makes it ideal for households or work environments with various devices requiring different rechargeable batteries.
On the downside, some users report occasional issues with charging certain battery sizes, particularly larger ones. A few found that the charger sometimes struggles to detect certain brands of Li-ion batteries, which led to longer charging times or incomplete charging cycles.
LCD Display Visibility
70%
30%
While most users appreciate the functionality of the LCD screen, the detailed readouts of battery voltage, capacity, and internal resistance provide valuable information during charging. Many find this feature useful when trying to assess battery health and charge status.
The major drawback here is that some users find the LCD display difficult to read in low-light settings, which affects usability. The screen brightness seems insufficient for those who frequently use the charger in dimly lit rooms or during nighttime charging sessions.
Charging Speed
84%
Users mention that the charging speed is generally acceptable for most battery types, with a solid range of current settings to optimize charging based on battery needs. The ability to charge multiple batteries at once is particularly convenient for those needing simultaneous power-ups.
However, a few reviewers point out that the charging speed can lag when charging multiple batteries at once, particularly when compared to faster chargers. Some users expected quicker charge times for certain battery types but found the process to be slower than anticipated.
Build Quality
87%
The overall build quality is solid, with many users highlighting its sturdy construction and durable design. Despite being lightweight, the charger feels well-constructed and capable of withstanding daily use without showing signs of wear.
A small number of reviewers note that the plastic casing could be more robust, with some mentioning minor scuffing or cracks appearing after prolonged use. While the build quality is generally fine, a few users wished for a slightly more premium feel.
Versatility (Slots & Settings)
89%
One of the standout features of this charger is its versatility, thanks to the four independent charging slots that allow users to customize settings for each battery. This feature is particularly praised by tech enthusiasts who need to charge different types of batteries simultaneously.
Despite the versatility, some users found that the settings could be a bit confusing at first, especially for those new to universal chargers. It takes some time to get used to the different modes and adjustments, which can be a hurdle for beginners.
Portability/Size
80%
20%
The compact size and lightweight design make this charger easy to store and transport, which is perfect for users who need a portable solution for charging batteries on the go. It's also small enough to fit into most backpacks or travel bags without taking up too much space.
However, some users felt that the small size could be a limitation in terms of stability when charging larger batteries. The charger tends to be a bit wobbly on softer surfaces, which can be a concern if you're looking for something that stays firmly in place.
USB Output Functionality
78%
22%
The built-in USB output is a nice bonus, allowing users to charge other devices like phones or small electronics simultaneously. This adds convenience, especially for those who need a multi-functional device for both batteries and other gadgets.
Unfortunately, some users found that the USB output wasn't as powerful as they expected. Charging larger devices, such as tablets, can be slow, and the 1A output seems insufficient for heavier power demands.
Price-to-Value Ratio
92%
Users consistently mention that this charger offers great value for the price, especially considering its wide compatibility with different battery types and its customizable charging options. The versatility and performance make it a solid investment for those needing a reliable and multi-purpose charging solution.
A few users note that while the price is generally fair, there are some other chargers on the market that offer faster charging speeds or additional premium features at a similar price point. Still, most agree that the value for money is quite strong.
Customer Support
75%
25%
Some users mention that customer support is responsive and helpful when it comes to troubleshooting basic issues or clarifying product details. Support is generally available through email or phone, making it easy to get assistance when needed.
However, there are also complaints about the slow response times, with some users finding it hard to get timely help for more complex problems. A few buyers were disappointed with the lack of detailed guidance on troubleshooting beyond basic inquiries.
Long-Term Durability
82%
18%
Many users find this charger to be durable over time, with no significant issues after prolonged use. The overall reliability and consistency of charging functions have earned praise for holding up well even with frequent usage.
However, a few reviewers warn that durability may vary, especially if used continuously over long periods. Some users noticed signs of wear and tear, such as slightly loose charging slots or a decrease in charging efficiency after extensive use.

Suitable for:

The Tenergy TN456 Intelligent Universal Battery Charger is ideal for users who need to charge a variety of rechargeable batteries, such as NiMH, NiCd, and Li-ion. Tech enthusiasts with multiple devices requiring different battery types will find this charger highly convenient, thanks to its four independent slots and adjustable charge currents. It's a great choice for households or workplaces with diverse battery-powered gadgets, as it allows simultaneous charging of different battery sizes like AA, AAA, 18650, and 26650. Additionally, those looking for a portable solution will appreciate its compact size and the added convenience of the USB output, which allows charging other devices while powering up batteries.

Not suitable for:

However, the Tenergy charger may not be the best fit for users seeking ultra-fast charging speeds, as some reviewers have noted slower charge times, especially when charging multiple batteries at once. Those who primarily use larger batteries or require quick turnaround times may find the performance insufficient. Additionally, users who need an easily readable display in low-light conditions might struggle with the charger’s LCD screen, which some have found hard to view in dim settings. Lastly, individuals who are new to universal chargers may find the wide range of settings a bit overwhelming or difficult to navigate without clearer instructions.

Specifications

  • Battery Types: Supports NiMH, NiCd, and Li-ion rechargeable batteries.
  • Charging Slots: Features four independent charging slots, allowing for simultaneous charging of multiple batteries.
  • Adjustable Current: Adjustable charge current range from 300mA to 1000mA, offering flexibility for different battery types.
  • LCD Display: LCD screen displays real-time information including voltage, capacity, and internal resistance of each battery.
  • USB Output: Includes a 5V 1A USB output for charging external devices like smartphones or tablets.
  • Battery Sizes: Compatible with a variety of battery sizes such as AA, AAA, 18650, 26650, and more.
  • Modes: Offers two charging modes: Charge and Test, catering to different charging and battery testing needs.
  • Input Voltage: Supports an input voltage range of AC 100-240V and DC 12V 3A.
  • Dimensions: Product dimensions: 5 x 5 x 10 inches.
  • Weight: Weighs approximately 6.8 ounces, making it lightweight and portable.
  • Power Requirements: Operates with AC input or DC 12V power supply, providing flexible power options.
  • Independence: Each charging slot is independently managed, allowing for personalized charging settings.
  • Charging Speed: Charging speed varies based on battery size and selected current, with larger batteries requiring more time.
  • Durability: Constructed with a durable design suitable for regular household or professional use.
  • Overcharge Protection: Includes safety features like overcharge protection to prevent battery damage.
  • Display Legibility: Some users report difficulty reading the LCD display in low-light conditions.
  • Power Output: USB output provides 5V and 1A of power for charging additional devices during battery charging.
  • Compatibility: Compatible with a wide range of rechargeable batteries, making it ideal for tech enthusiasts with multiple devices.
  • Product Modes: Offers two distinct modes: Charge mode for standard charging and Test mode for checking battery health.

FAQ

The Tenergy TN456 charger supports multiple battery types including NiMH, NiCd, and Li-ion. It features four independent charging slots that allow you to charge different batteries at once, with adjustable charge current (300mA–1000mA) for customized needs. The LCD display shows important metrics such as voltage, capacity, and internal resistance to help monitor the charging process.

This charger is compatible with a wide range of rechargeable batteries including NiMH, NiCd, and Li-ion, as well as various sizes such as AA, AAA, 18650, and 26650. It can accommodate multiple battery types at the same time, providing flexibility for users with different battery needs.

Yes, the charger has four independent charging slots, allowing you to charge different battery types simultaneously without any issues. Each slot can be set with different charging currents depending on the battery type, making it a versatile solution for multi-battery charging.

The LCD display shows essential charging information such as voltage, capacity, and internal resistance for each battery in real-time. It helps users track the charging progress and provides insight into the battery’s condition. However, some users have reported difficulty reading the display in low-light conditions.

The USB output allows you to charge other devices, such as smartphones or tablets, while simultaneously charging your batteries. It delivers 5V at 1A, providing an extra charging port that can be handy in scenarios where you're low on outlets.

While this charger supports a wide range of batteries, some users have found that it charges larger or high-capacity batteries more slowly. The charging time may increase depending on the battery's size and current requirements, so it may not be ideal for users needing rapid charging for such batteries.

Yes, this device is a great all-in-one solution for both professional and household use. Its ability to charge multiple battery types at once and provide detailed battery metrics makes it suitable for tech enthusiasts, photographers, and anyone who needs to keep several rechargeable batteries ready.

Yes, the charger works with a variety of battery sizes beyond AA and AAA, including larger ones like 18650 and 26650. It is designed to be versatile, catering to different needs, whether for small electronics or more substantial devices.

Charging time can vary depending on the battery's size and current setting. If it seems too long, ensure you're using the right current setting for the specific battery type. For large-capacity batteries, consider using a higher charge current (up to 1000mA) for faster results.

Some users have mentioned concerns about the accuracy of the battery testing feature, as well as difficulty reading the LCD display in low-light environments. Additionally, the build quality may feel a bit flimsy to some, which could raise concerns about long-term durability.