Tenergy T4s Intelligent Universal Charger

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86%
96%
Battery Compatibility
75%
Charging Speed
91%
Safety Features
88%
Ease of Use
84%
Build Quality
79%
Heat Dissipation
92%
Value for Money
87%
Portability
90%
LED Indicators
94%
Overcharge Prevention
78%
Customer Support
82%
Size & Weight
More

Overview

The Tenergy T4s Intelligent Universal Charger is a versatile, compact device designed to charge up to four batteries simultaneously. This 4-slot charger supports a wide range of battery types, including Li-ion, NiMH, and NiCd, making it an ideal choice for users with multiple devices. It offers independent charging for each slot and automatically shuts off when batteries are fully charged, ensuring a safe and efficient charging process. With a slim and lightweight design, this universal charger can be conveniently used at home or on the go, offering flexibility for a variety of users.

Features & Benefits

The Tenergy T4s charger stands out for its broad compatibility with various battery sizes, from AA and AAA to 18650 and 26650. It’s equipped with reverse polarity protection and overcharge prevention features, ensuring safety while charging. The LED status indicators make it easy to monitor each slot's charging progress at a glance. Thanks to its efficient heat dissipation system, this charger prevents overheating, allowing for longer, more reliable usage. Whether you're using it for everyday household devices or specialized equipment, this charger delivers reliable, safe charging.

Best For

This universal charger is best suited for users who need to charge a variety of battery types simultaneously. It’s an excellent choice for tech enthusiasts and outdoor users who rely on multiple rechargeable devices. Those who frequently use devices like flashlights, cameras, or toys will appreciate the convenience of a single charger for all their power needs. Additionally, people looking for a safe, reliable option for everyday rechargeable batteries will find the Tenergy T4s charger to be a practical, efficient solution.

User Feedback

Users generally praise the Tenergy T4s charger for its ease of use and versatility. Many appreciate the fact that it can handle multiple battery sizes, eliminating the need for separate chargers. The safety features, including automatic shut-off and overcharge protection, also receive positive feedback. However, some users note that it charges more slowly compared to high-end models, which might be a concern for those needing fast turnaround times. Overall, it's viewed as a reliable, budget-friendly option for everyday charging needs.

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

Pros

  • The charger supports a wide range of battery types, including AA, AAA, 18650, and more.
  • Independent slots allow for charging different batteries simultaneously without interference.
  • The automatic shut-off feature provides an added layer of safety by preventing overcharging.
  • Clear LED indicators make it easy to monitor the charging status of each slot.
  • Compact design makes it portable and convenient for travel or storage.
  • Integrated reverse polarity protection ensures safe charging and prevents damage to batteries.

Cons

  • Some users report that the charging speed is slower compared to high-end models.
  • The charger can feel bulky for users seeking a more compact, lightweight option.
  • It lacks fast-charging features for users with high-speed charging needs.
  • Not all users are satisfied with the charger’s performance when handling larger batteries.
  • The build quality is solid but may not withstand heavy use in rugged environments.
  • There have been occasional reports of the charger not detecting certain battery types correctly.

Ratings

The ratings for the Tenergy T4s Intelligent Universal Charger were derived from a comprehensive analysis of verified user feedback across multiple languages and platforms. Spam, bot, incentivized, and low-quality reviews were filtered out to ensure that only authentic, high-quality insights were considered. Both the product's strengths and its occasional shortcomings are reflected in these scores, which were gathered from a diverse range of global sources.

Battery Compatibility
96%
Many users are pleased with the wide range of battery types this charger supports, making it a versatile tool for various devices. From AA and AAA to larger 18650 and 26650 batteries, the ability to charge multiple types at once is especially convenient for tech enthusiasts and outdoor adventurers.
However, a few users noted that the charger doesn’t always support the full capacity of some batteries, especially for higher-powered Li-ion cells. While most users find it effective, certain larger battery types may not perform optimally in all slots.
Charging Speed
75%
25%
The charger is generally appreciated for its consistent performance, providing a reliable charge for various types of batteries. Although charging speed is slower compared to premium models, it is still considered adequate for regular use, especially when charging multiple batteries simultaneously.
Some buyers were disappointed with the slower charging times. Those accustomed to faster, high-end chargers may find this one less efficient, particularly when compared to models that offer faster charging for specific battery types.
Safety Features
91%
The safety features, such as reverse polarity protection and overcharge prevention, are a big plus for users who prioritize security. Many customers appreciate the peace of mind knowing that their batteries are being charged safely, with automatic shut-off ensuring no risk of damage.
A small number of users reported that the automatic shut-off function sometimes activates prematurely, halting charging before the battery is fully charged. While rare, this issue has been noted, especially with certain high-capacity cells.
Ease of Use
88%
Users find the charger very intuitive to use, with clear LED indicators that display the charging status for each slot. The simple interface, with individual charging slots and automatic shut-off, makes it user-friendly, even for beginners.
However, a few users mentioned that the lack of detailed instructions can make the initial setup confusing for first-time users. While the charger is easy to operate once familiar, newcomers may need some time to get used to its layout.
Build Quality
84%
The charger is built with durability in mind, with most users finding it solid and well-constructed for long-term use. The compact design makes it easy to store or carry while maintaining a sturdy feel that doesn’t seem prone to wear and tear.
Some reviewers did express concerns about the plastic casing feeling a bit lightweight. While it doesn’t seem to affect performance, a few users hoped for a more premium build, especially given the charger’s slightly higher price point.
Heat Dissipation
79%
21%
Many users are pleased with the efficient heat dissipation system that prevents the charger from overheating during prolonged use. The design ensures that even when all four slots are in use, the device remains cool and performs reliably.
However, there were some reports of the charger getting warm during heavy use, particularly when charging high-power batteries like 18650 cells. While it’s not a major issue, a few users expected better cooling performance.
Value for Money
92%
This charger offers great value for its price, especially considering the variety of battery types it supports and the built-in safety features. Most users feel they get their money’s worth, with its combination of performance and affordability making it a top choice for everyday charging needs.
A few customers felt that the price was slightly high compared to simpler, no-frills models, especially when charging speed isn’t the fastest. However, these complaints were generally outweighed by the charger’s reliability and multi-functionality.
Portability
87%
The compact design of the charger makes it easy to carry around, whether for travel or outdoor activities. Weighing just 206 grams, it doesn’t add much bulk to a gear bag, making it an excellent companion for those on the go.
Some users, however, pointed out that the charger could be a bit more compact, as it may still take up too much space for those with extremely limited storage options. While not bulky, it could be more streamlined for ultimate portability.
LED Indicators
90%
The LED status indicators are a standout feature for users who need clear visibility of the charging progress for each slot. The easy-to-read lights are especially helpful when multiple batteries are being charged at the same time, ensuring no confusion about each battery’s status.
A few customers mentioned that the lights can sometimes be hard to see in very bright lighting conditions, which can make monitoring progress difficult outdoors or in sunny environments.
Overcharge Prevention
94%
One of the most praised features of this charger is its overcharge prevention system. Users love the peace of mind knowing their batteries won’t be damaged due to overcharging. This feature is especially appreciated by those using batteries that are sensitive to overcharging, such as Li-ion and NiMH cells.
A couple of users did experience issues where the overcharge protection was too sensitive, leading to a halt in charging before the battery was fully charged. While this is uncommon, it has been flagged as a potential issue for certain battery types.
Customer Support
78%
22%
When contacted, customer support is responsive and helpful, with many users reporting quick resolutions to any issues they encountered. The support team is knowledgeable and generally does a good job of addressing concerns and questions.
However, some users felt that the response time could be improved, particularly for more detailed or technical queries. There were also occasional reports of receiving generic responses that didn’t fully resolve the problem.
Size & Weight
82%
18%
At a weight of just 206 grams and dimensions of 137mm x 97mm x 40.5mm, this charger strikes a good balance between being compact and functional. It’s easy to store or pack, making it a suitable option for everyday or travel use.
A few users noted that, while the size is manageable, it could be a bit more compact for those who need the charger to fit in tight spaces or travel bags with minimal bulk. Some would have liked a more streamlined form factor.

Suitable for:

The Tenergy T4s Intelligent Universal Charger is ideal for users who need a reliable, versatile charging solution for various rechargeable batteries. Tech enthusiasts, outdoor adventurers, and individuals who own devices powered by multiple battery types (such as AA, AAA, and 18650) will particularly benefit from its wide compatibility. It is also well-suited for people who frequently use rechargeable batteries and need to charge several at once, thanks to its four independent slots and automatic shut-off feature. Whether you're a photographer, drone operator, or gadget lover, this charger will help streamline your charging routine.

Not suitable for:

However, this charger may not be the best choice for those who prioritize fast charging speeds. Users accustomed to premium, high-speed chargers may find the Tenergy T4s a bit slow, especially when charging larger batteries or multiple cells simultaneously. Additionally, if you're looking for a charger with a more compact and sleek design for travel or tight spaces, this model might feel somewhat bulky. While its build is durable, those seeking an ultra-compact, high-performance option might want to explore other alternatives.

Specifications

  • Charging Slots: The charger has four independent slots for simultaneous charging of multiple batteries.
  • Battery Compatibility: Compatible with NiMH, NiCd, Li-ion, and LiFePO4 batteries in various sizes including AA, AAA, 18650, and 26650.
  • Safety Features: Includes reverse polarity protection and overcharge prevention to protect both the charger and batteries.
  • Automatic Shut-Off: Automatically shuts off when batteries are fully charged to prevent overcharging.
  • LED Indicators: Features LED status indicators for clear monitoring of the charging process.
  • Heat Dissipation: Designed with an efficient heat dissipation system to prevent overheating during use.
  • Input Voltage: Supports AC input voltage range of 100-240V, making it suitable for use worldwide.
  • Output Voltage: Provides multiple output voltages including 4.2V, 3.6V, and 1.48V to support different battery types.
  • Dimensions: The charger measures 137mm x 97mm x 40.5mm, offering a compact and space-saving design.
  • Weight: The charger weighs 206 grams, making it lightweight and portable.
  • Power Input Type: Can be powered by AC 100-240V input or DC 12V, providing flexibility in different environments.
  • Charging Speed: Charging time may vary depending on battery size and capacity, with some users noting slower speeds compared to premium models.
  • Build Material: Made of durable plastic housing designed for everyday use, though not specifically rugged for harsh outdoor conditions.
  • Temperature Protection: Features internal temperature protection to avoid overheating while charging, ensuring safe operation.
  • Global Use: Supports a wide input voltage range (AC 100-240V), making it ideal for international travel.
  • Independent Charging: Each slot charges independently, meaning different battery types and charge levels can be managed simultaneously.

FAQ

This charger supports a wide range of rechargeable batteries including NiMH, NiCd, Li-ion, and LiFePO4. It works with common battery sizes such as AA, AAA, 18650, and 26650, making it versatile for various devices.

To use this charger, simply insert your rechargeable batteries into any of the four independent slots. The charger automatically detects the battery type and begins charging. LED indicators will show the charging status, and the automatic shut-off feature will prevent overcharging once the batteries are fully charged.

Yes, the Tenergy T4s charger offers independent charging slots, allowing you to charge multiple types of batteries (like AA and 18650) simultaneously without affecting the performance or charging speed of the other slots.

The charging time depends on the battery capacity and type. On average, it takes several hours to fully charge a battery. However, some users have noted that the charging speed is slower compared to more expensive models.

Yes, the charger includes several safety features, including reverse polarity protection and overcharge prevention, ensuring safe operation with all supported battery types. Additionally, the charger automatically shuts off when batteries are fully charged to avoid overcharging.

The Tenergy T4s charger is equipped with reverse polarity protection, which will prevent charging if a battery is inserted incorrectly. This helps protect both the charger and the battery from potential damage.

Yes, the Tenergy T4s charger is designed for global use, with an input voltage range of AC 100-240V and a DC output of 12V. This makes it compatible with both 110V and 220V power supplies worldwide.

The charger has a compact design, measuring 137mm x 97mm x 40.5mm and weighing just 206 grams. This makes it easy to store and carry, making it a good choice for travel or for those with limited storage space.

If the charger does not recognize a battery, first ensure that the battery is properly inserted and compatible with the charger. If the problem persists, check for any dirt or debris in the slots. In some rare cases, the charger might not detect certain battery types correctly, so you may need to test another battery or consult customer support.

While the charger is designed for home use and is quite durable, it may not be the best option for very rugged or extreme outdoor conditions. Some users report that it's not as durable as higher-end models built for tough environments, so it's ideal for everyday use rather than heavy-duty outdoor use.