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Item #:
80393829
Battery Capacity Tester DC5V 1.77in LCD Display for Lithium Battery Internal Capacity Voltage Current Power
90% of respondents would recommend this to a friend
Item #:
80393829
LAK 524962
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The 1.77in screen displays internal resistance, capacity, voltage, current, power and other information at the same time.
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What Stands Out
Accurate Measurements
Provides precise voltage and current readings for lithium batteries, ensuring accurate performance assessment for users needing reliable data on battery capacity and health.
User-Friendly Display
Equipped with a 1.77-inch LCD, the tester presents information clearly, making it easy for both beginners and professionals to read and interpret battery data quickly.
Compact Design
Lightweight and portable, this battery capacity tester is designed for on-the-go use, perfect for technicians and hobbyists who need to test batteries in various locations.
Product Details
| Power Source | Battery Powered |
| Minimum Operating Voltage | 2.5 volts |
| Measurement Type | Ohmmeter |
| Style Name | Adjustable |
| Brand Name | Walfront |
| Model | WALFRONT4mpgo2fxqe |
| Unit Count | 1 Count |
| Manufacturer | WALFRONT |
| Item Type Name | Insulation Resistance Meters |
| Part Number | WALFRONT4mpgo2fxqe |
| Brand | Walfront |
| Style | Adjustable |
| Min. Operating Voltage | 2.5 volts |
| Item Weight | 0.5 lbs (230 grams) |
Dangerous Goods
To avoid the delay in customs clearance process for Dangerous Goods, the shipment shall be opened at our warehouse facility to check the severity of hazardous components. Please see the list of Dangerous goods here.
Who Should Buy?
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DIY Enthusiasts
Perfect for hobbyists who work with lithium batteries and need precise readings for their projects and devices.
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Battery Maintenance
Useful for those who regularly maintain batteries to ensure optimal performance and prevent unexpected failure.
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Portable Device Users
Ideal for users of portable electronic devices requiring frequent monitoring of battery health and capacity.
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Heavy Users
Not suitable for those requiring high-power testing, as it is limited to low-voltage lithium batteries.
Product Description
Battery Capacity Tester DC5V 1.77in LCD Display for Lithium Battery Internal Capacity Voltage Current Power
About This Item
Introducing the DC5V Battery Internal Resistance Tester - your go-to solution for accurately measuring the capacity, voltage, current, and power of 18650 lithium batteries. This compact tester boasts a 1.77-inch LCD display that provides clear and precise readings. With its versatile functionality, the DC5V Battery Internal Resistance Tester is suitable for a range of applications, making it an essential tool for enthusiasts, professionals, and hobbyists alike.
Ensure the optimal performance of your batteries with this reliable and easy-to-use tester.
Have any Query? Chat with us
Customer Questions & Answers
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Question:
What does the LCD Display DC5V Battery Internal Resistance Capacity Tester do?
Answer: The LCD Display DC5V Battery Internal Resistance Capacity Tester measures the internal resistance and capacity of 18650 lithium batteries. It provides precise readings, helping users assess the health and efficiency of their batteries. This is particularly useful in applications like electric bikes, power tools, and DIY battery packs, allowing you to monitor battery performance and make informed decisions about replacements or usage. -
Question:
How do I use the LCD Display DC5V Battery Tester?
Answer: To use the LCD Display Tester, connect the 18650 battery to the device, ensuring correct polarity. The tester will display the internal resistance and the battery capacity on its LCD screen. This process is straightforward; just make sure the battery is charged for an accurate reading, making it particularly beneficial for hobbyists and professionals who deal with multiple batteries regularly. -
Question:
What are the key features of this battery tester?
Answer: This battery tester features an LCD display for easy reading, a DC5V power supply requirement, and the ability to measure both internal resistance and capacity of 18650 lithium batteries. These features ensure optimal performance assessments, enabling users to identify weak batteries quickly. Ideal for tech enthusiasts, it allows for precise readings that can contribute to better battery management and longevity. -
Question:
Can this tester be used for other types of batteries?
Answer: While the primary focus of this tester is on 18650 lithium batteries, it may also provide readings on other lithium-ion battery types, depending on their specifications. However, for accurate assessments, it’s best suited for 18650 cells. This is especially useful for users who frequently work with various lithium batteries in their devices, allowing a one-stop solution for battery testing. -
Question:
What is internal resistance in a battery and why is it important?
Answer: Internal resistance refers to the opposition to current flow within the battery and is critical in assessing its overall health. A higher internal resistance can lead to reduced efficiency and shorter battery life. By using the tester, you can regularly monitor this metric, helping to ensure that batteries perform optimally in applications such as electric vehicles or high-drain electronics. -
Question:
How does this tester benefit battery maintenance?
Answer: Using the LCD Display Tester allows for proactive battery maintenance by identifying weak or failing batteries before they can cause issues. Regular testing can prevent unexpected failures in devices that rely on 18650 batteries. This can save time and resources for technicians and hobbyists who want to ensure their devices are always powered by reliable batteries. -
Question:
Is the LCD Display Tester portable?
Answer: Yes, the LCD Display Tester is designed to be compact and lightweight, making it easily portable. This mobility is ideal for users who need to test batteries in various locations, such as workshops, homes, or fieldwork. Its user-friendly design makes it convenient for on-the-go assessments, which is a key advantage for professionals and enthusiasts alike. -
Question:
What kind of users would benefit from this battery tester?
Answer: This battery tester is beneficial for a wide range of users, including hobbyists, DIY electronic enthusiasts, tech professionals, and battery manufacturers. Each group can utilize the tester's precision to ensure battery health and performance in their respective fields. Whether for personal projects or professional applications, it serves as an essential tool in managing battery efficiency. -
Question:
How frequently should I test my 18650 lithium batteries?
Answer: It is advisable to test your 18650 lithium batteries periodically, especially if they are regularly used in high-drain devices. For casual users, quarterly checks might suffice, while heavy users or professionals might test monthly. This practice allows you to catch potential issues early, ensuring that your devices are powered effectively and helping to extend battery life. -
Question:
Can I buy the LCD Display DC5V Battery Internal Resistance Capacity Tester for 18650 Lithium Battery online?
Answer: Yes, you can purchase the LCD Display DC5V Battery Internal Resistance Capacity Tester for 18650 Lithium Battery online. For users in Laos, Ubuy is a recommended platform where you can find this product. Ubuy offers a wide selection of electronics, including battery testers, and provides a seamless shopping experience with various payment options.
Walfront Battery Testers Editorial Review
In a recent review, a user expressed overall satisfaction with the DC5V Battery Internal Resistance Tester. They appreciated its accuracy in testing 18650 batteries, affirming that it works as described. However, they wished it had instructions and that the device could accommodate other testing capabilities aside from 18650 batteries. The user also pointed out that the charging calculations were not accurate, and the absence of an on/off switch was noted. Despite these limitations, they decided to keep the tester due to its accurate performance in testing batteries. Overall, the reception of the DC5V Battery Internal Resistance Tester has been positive, with users finding it accurate and reliable for testing 18650 batteries. However, the lack of instructions, limitations in testing capabilities, and issues with charging calculations and design features were noted as drawbacks by some users.
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Pros
- Accurate testing of 18650 batteries
- Reliable performance
Cons
- Lack of instructions
Platform Trust & Buyer Confidence
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“Easy to use and always helpful and sorts any issues I've had past and present”
1 September 2026 · via Trustpilot
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LAK 524962
Order now and get it around Saturday, October 03
This item is not restrict in my country.(Please click on above link if this item is not restrict in your country, So our team will review and allow.)
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Features & Benefits
- Accurate testing of battery internal resistance
- Compatible with various battery types
- Supports automatic charging and discharging
- LCD display for comprehensive data viewing
- Versatile and customizable with DIY transformation
- Convenient and portable for easy use
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