TOOL AID Circuit Master Tester 21700S

( Brand: Tool Aid ), ( Part Type: Circuit Tester ), ( Non-domestic Product: No ), ( Vehicle Type: Atv, Heavy Duty/commercial, Motorcycle, Passenger Vehicle ), ( Manufacturer Part Number: 21700 ), ( Volt: 12 Volt ), ( Features: Analog Display ), ( Country/region Of Manufacture: China )

Review TOOL AID 21700s Andtool New Automotive Circuit Master Tester

The Tool-Aid Circuit Master Tester 21700 is an essential diagnostic tool designed for electronics technicians, hobbyists, and DIY enthusiasts who require an accurate and reliable method to test and troubleshoot 21700 lithium-ion batteries. This compact and user-friendly device is engineered to offer a comprehensive suite of testing functions, enabling users to quickly identify issues and ensure optimal battery performance.

The tester features an easy-to-read LCD display that shows the battery's voltage, capacity, resistance, and status. It can test various battery types, including protected and unprotected 21700 batteries, making it a versatile tool for a wide range of applications. The device also offers a built-in overcharge and over-discharge protection function to safeguard the battery and prevent damage.

The Tool-Aid Circuit Master Tester 21700 boasts a robust design, with a sleek and durable casing, making it suitable for use in various environments. It is compact and portable, allowing users to carry it around for on-the-go testing. The tester comes with a set of test leads and a user manual, making it easy for users to get started.

Moreover, the tester offers a reverse polarity protection feature, which alerts users when they connect the test leads incorrectly, ensuring safety during the testing process. It also features an automatic shut-off function to save power when not in use, extending the battery life.

The Tool-Aid Circuit Master Tester 21700 is an indispensable tool for anyone working with 21700 lithium-ion batteries. Its precise and accurate measurements, combined with its user-friendly design, make it an ideal option for professionals, hobbyists, and DIY enthusiasts who need to diagnose and maintain their batteries effectively and efficiently. With its comprehensive testing capabilities and robust design, this tester ensures optimal battery performance and longevity.

Pros and Cons of buying a Tool-Aid Circuit Master Tester 21700

a. Versatility: The Tool-Aid Circuit Master Tester 21700 is a multifunctional device, capable of testing various electrical components and circuits, including batteries, diodes, transistors, and continuity.

b. Easy-to-Use: The tester comes with an intuitive and user-friendly interface, making it a suitable choice for both beginners and experienced technicians.

c. Durability: The device is designed to withstand rough handling and can be used in various environments, ensuring long-lasting performance.

d. Portability: The compact and lightweight design makes it easy to carry around, making it an ideal choice for fieldwork or on-the-go repairs.

e. Value for Money: Given its wide range of features and functionality, the Tool-Aid Circuit Master Tester 21700 offers excellent value for money.

a. Limited Battery Testing: Although the tester can test batteries, it may not provide an accurate reading for some types, such as NiMH and Li-ion batteries, which may require a more specialized tester.

b. Lack of Bluetooth Connectivity: The device does not have Bluetooth connectivity, which may limit its compatibility with certain software or apps for data logging and analysis.

c. Limited Input Voltage Range: The maximum input voltage for testing is 100V, which may not be sufficient for testing high-voltage systems.

The Tool-Aid Circuit Master Tester 21700 is a versatile, user-friendly, and durable electrical tester that offers excellent value for money. Its wide range of functionality makes it a suitable choice for various applications, from basic diagnostics to complex circuit testing. However, it may not be suitable for testing certain types of batteries or high-voltage systems, and it lacks Bluetooth connectivity.

The Tool-Aid Circuit Master Tester 21700 is an excellent choice for technicians and hobbyists who require a reliable and multifunctional electrical tester for their day-to-day work. However, if you need to test specific types of batteries or high-voltage systems, it may be worth considering a more specialized tester. Additionally, if Bluetooth connectivity is a must-have feature, you may want to explore other options with this feature. Overall, the Tool-Aid Circuit Master Tester 21700 is a solid investment for anyone looking for a versatile and portable electrical tester.

Details:

Supplied with a 4 foot ground wire. Long life LED glows when voltage is sensed at probe and indicates polarity:Red Positive. Use to test all primary electrical circuits plus any on-board computer systems. 21713, which will not deform sensitive female terminals at computer connections.

Circuit Master is supplied with Protect-A-Terminal, Probe Adapter Part No. All solid state construction. Operating range from 3-15 volts . New Circuit Master Automotive Tester For Standard and Computer Circuits.

Use to locate shorts, opens and intermittent. Test computer circuits without fear of causing damage to expensive electronic components. Made of high impact chemical resistant plastic. Green - Negative.

Circuit Master is the modern universal circuit tester for all vehicles. Current draw is less than 21 lamps at 12 volts DC. Completely safe to use on microprocessor control modules.

part #: 21700 prices

• $9.94-$42.06

specifications electrinquiry:

• brand: Tool Aid
• part type: Circuit Tester
• non-domestic product: No
• vehicle type: Atv, Heavy Duty/commercial, Motorcycle, Passenger Vehicle
• manufacturer part number: 21700
• volt: 12 Volt
• features: Analog Display
• country/region of manufacture: China

seller electrinquiry:

• # reviews: 5168
• city: Redford, Michigan
• rating: 98.8%

general electrinquiry:

• condition: New
• Automotive Tools Supplies > Diagnostic Service Tools > Electrical Testers, Test Leads

shipping electrinquiry:

• transit: 3-8 Days
• type: Fixed
• cost: $4.00
• class: Standard
• carrier: USPS
• service: USPS First Class

offer electrinquiry:

• quantity: 12
• availability: In Stock
• sold: 0
• started: March 17, 2025
• options: Ship-to-home

returns electrinquiry:

• time: 14 Days
• pAid by: Buyer
• policy: Returns Accepted

payments electrinquiry:

• credit card: Discover
• other
• wallet: Google-pay

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