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AILI DC Current Transformer Hall Sensor Bidirectional Current 120V 300A Combo Meter
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AILI DC Current Transformer Hall Sensor Bidirectional Current 120V 300A Combo Meter
Read your battery bank like a fuel gauge and enhance battery life with this Battery Monitor which can combine many functions in one, leading to more efficient use of the battery.
AILI DC Current Transformer Hall Sensor Bidirectional Current 120V 300A Combo Meter
Item #: 196932055

AILI DC Current Transformer Hall Sensor Bidirectional Current 120V 300A Combo Meter

Item #: 196932055

XCD 131

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Read your battery bank like a fuel gauge and enhance battery life with this Battery Monitor which can combine many functions in one, leading to more efficient use of the battery.
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Note: Step Down Voltage Transformer required for using electronics products of US store (110-120). Recommended power converters Buy Now.

What Stands Out

Bidirectional Detection
Features a Hall sensor for accurate bidirectional current measurement, addressing the need for reliable monitoring in various electrical applications with both positive and negative currents.
High Capacity
Rated for 300A, this transformer meter efficiently serves both home and industrial use, ensuring reliable performance for users needing to monitor higher current loads without compromising safety.
Easy Integration
Designed for 120V systems, this transformer meter offers seamless integration into existing electrical setups, enabling users to easily monitor energy usage without extensive rewiring or complicated installations.

Product Details

Shop AILI DC Current Transformer Hall Sensor Bidirectional Current 120V 300A Combo Meter online at a best price in Saint Kitts and Nevis. B01LB121GM
Brand NameAiLi
UPC754610749889
ManufacturerElite element
Part NumberAX-OLO5-LYBI
Unit Count1 Count
Item Dimensions1.89 x 0.91 x 1.14 inches (4.8 x 2.3 x 2.9 cm)
BrandAiLi
Item dimensions L x W x H1.89 x 0.91 x 1.14 inches (4.8 x 2.3 x 2.9 cm)

Who Should Buy?

Suitable For
  • Electricians

    Ideal for electricians needing accurate current measurement for installations and maintenance in residential or commercial settings.

  • HVAC Technicians

    Useful for HVAC technicians monitoring current loads and optimizing energy efficiency in heating and cooling systems.

  • DIY Enthusiasts

    Great for hobbyists working on electrical projects who require precise measurement of DC current for troubleshooting.

Not Suitable For
  • Mobile Applications

    Not suitable for users requiring portable solutions, as the device is intended for fixed installations.

  • High Voltage Systems

    Inappropriate for applications involving high voltage systems beyond its rated capacity, which may lead to inaccurate readings.

  • Simple Household Use

    Not ideal for basic household use where simple, less complex current measurements are sufficient and easier to handle.

Product Description

AILI DC Current Transformer Hall Sensor Bidirectional Current 120V 300A Combo Meter

Have any Query? Chat with us

Customer Questions & Answers

  • Question: What is the capacity range of this Battery Monitor?

    Answer: The capacity range is 0-999Ah.
  • Question: Does the current sensor need to be placed on a specific side of the power?

    Answer: No, the current sensor can be placed on the positive or negative side of power.
  • Question: What is included with this Battery Monitor?

    Answer: It comes with a through-hole current transformer and one 2 meter long cable.
  • Question: How long are the wires and cables?

    Answer: The sensor comes with a 2-meter long cable, but the factory can customize longer cables.
  • Question: Do the black and red leads connect to 12 volts source voltage for automotive car install?

    Answer: There are two ways to wire: 1) from a power source, or 2) from the induced power from a hall transformer. Please refer to the website for the schematic.
  • Question: Does this version have the ability to reset Ah and kWh?

    Answer: No, this battery tester/gauge is just a display device. It automatically resets when you remove the monitored voltage/current and turns off. When you reapply the voltage/current, it will show the new data.
  • Question: Will I need two of these if I'm using a battery isolator for two batteries in my audio system?

    Answer: Yes, if you want to read each battery independently, you would need two.
  • Question: For this to work as a 'fuel gauge', do all charging and discharging cables need to go through the Hall Sensor?

    Answer: Yes, that is correct.
  • Question: Why is my monitor reading FFF when using the inverter with high watt items?

    Answer: Please check the parameters you established when setting it up.
  • Question: How big is the Hall effect sensor hole? What size wire/lug can pass through?

    Answer: The hole is approximately 3/4 of an inch.
  • Question: Is this waterproof?

    Answer: No, it is not waterproof.
  • Question: I lost my instruction manual for this unit. Where can I download a new instruction manual?

    Answer: Please check the website again. You should be able to find and download the instruction manual there.
  • Question: Do you have a model to attach to a shunt of 1000A / 75mV?

    Answer: No, my model doesn't use a shunt. It uses a Hall effect sensor transformer ring, similar to a CT transformer in AC power.

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12 June 2026 · via Trustpilot
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Important information

  • Limitations : For products shipped internationally, please note that any manufacturer warranty may not be valid; manufacturer service options may not be available; product manuals, instructions, and safety warnings may not be in destination country languages; the products (and accompanying materials) may not be designed in accordance with destination country standards, specifications, and labeling requirements; and the products may not conform to destination country voltage and other electrical standards (requiring use of an adapter or converter if appropriate). The recipient is responsible for assuring that the product can be lawfully imported to the destination country. When ordering from Ubuy or its affiliates, the recipient is the importer of record and must comply with all laws and regulations of the destination country.
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XCD 131

This product is not Fulfilled by Ubuy and can take minimum 10 days in delivery. We might cancel the product from the order and refund you if any issue arise with the delivery of this product.

QTY:

Secured transactionsecured transaction

Ubuy works hard to protect your security and privacy. Our advanced payment security system ensures confidentiality by encrypting your information during transmission using AES (Advanced Encryption Standards) and SSL (Secure Socket Layer) protocols. Your payment details are 100% secure as we do not share your payment details with third party sellers.

Our Top Logistics Partners
  • fedex
  • dhl
Fastest cross-border delivery

Features & Benefits

  • Designed to monitor performance of battery systems up to 999 Amp hours
  • Displays voltage, charge and discharge current, charge and discharge capacity and remaining battery capacity
  • Configurable display modes, fixed or cycle display
  • Charging status indicator with scrolling text animation
  • Easy to install, nondestructive installation
  • Comes with a through-hole current transformer, no shunt required