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Item #:
221661681
Renogy Battery Shunt 300, Smart Remote Battery Monitoring Via APP
76% of respondents would recommend this to a friend
Item #:
221661681
ZMW 3743
Price Details
Excluding Shipping & Custom charges ( Shipping and custom charges will be calculated on checkout )
*All items will import from US
In stock
Imported from USA store
QTY:
Order now and get it around Thursday, October 01
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Our battery tester with shunt will alarm, and backlight and voltage value will flash simultaneously to protect the batteries from getting over-discharged.
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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
High Precision
Equipped with a high precision current sensor, ensuring accurate monitoring of battery performance and energy usage, which enhances overall system efficiency.
Versatile Compatibility
Compatible with various battery types including lead acid, LFP, Li-ion, and Ni-MH, making it an ideal choice for diverse applications and user preferences.
Remote Monitoring
Allows for convenient remote battery monitoring within a range of 8V-120V and up to 500A, ensuring users can effortlessly track their battery status from anywhere.
Product Details
| Power Source | Battery Powered |
| Minimum Operating Voltage | 8 volts |
| Upper Temperature Rating | 122 °F |
| Measurement Type | Ammeter |
| Compatible Devices | DC Home App, Renogy ONE |
| Style Name | Voltage Tester |
| Color | Black |
| Item Weight | 0.45 kg |
| Item Dimensions | 5.31 x 3.82 x 1.22 inches (13.5 x 9.7 x 3.1 cm) |
| Specification Met | CE, FCC, RoHS |
| Brand Name | Renogy |
| Model | Battery Shunt |
| Unit Count | 1 Count |
| UPC | 840315217126 |
| Number of Items | 1 |
| Item Highlight | Range 8V-120V up to 500A, Quick Setup, Accurate Sensor, Remote Monitor & Alarm, Automatic Management with Starter |
| Manufacturer | Renogy |
| Included Components | 1*Battery Shunt 300,3*Mounting Screws,2*B+Wires,1*Temperature Sensor |
| Part Number | RSHST-B02P300-US |
| Brand | Renogy |
| Style | Voltage Tester |
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.
What's in the box
1*Battery Shunt 300,3*Mounting Screws,2*B+Wires,1*Temperature Sensor
Who Should Buy?
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Off-Grid Enthusiasts
Ideal for users living off-grid who need precise battery monitoring for solar power systems and energy management.
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Battery Installers
Perfect for professionals installing battery systems, ensuring accurate readings for different battery types and configurations.
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Eco-Conscious Users
Great for those using renewable energy solutions who want to maximize battery life and efficiency.
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Casual Users
Not suitable for users who only need basic battery information without the need for detailed monitoring.
Product Description
Have any Query? Chat with us
Customer Questions & Answers
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Question:
What is the Renogy Battery Shunt 300 used for?
Answer: The Renogy Battery Shunt 300 is designed for precise battery monitoring and management. It measures the current flow, voltage, and other important parameters, making it essential for maintaining the health of your battery system. By providing accurate data on battery performance, users can optimize their energy consumption in applications like RVs, boats, and solar power systems. This helps prevent over-discharge, extend battery life, and manage power usage efficiently. -
Question:
What voltage range does the Renogy Battery Shunt 300 support?
Answer: The Renogy Battery Shunt 300 supports a voltage range of 8V to 120V, making it versatile for various battery types. This capability allows it to work with different applications, including lead-acid, lithium-ion, and lithium iron phosphate (LFP) batteries. Thus, whether you are setting up a solar system or enhancing your RV's power setup, this shunt can readily adapt to your requirements. -
Question:
How does remote battery monitoring work with the Renogy Battery Shunt 300?
Answer: The Renogy Battery Shunt 300 features remote battery monitoring that allows you to keep track of your battery's performance from a distance. Using an app or compatible display, users can view real-time data on current, voltage, and capacity. This can prove crucial for preventing unexpected power shortages and enables smarter energy management, especially in off-grid scenarios or mobile applications like RVs. -
Question:
Is the Renogy Battery Shunt 300 compatible with all battery types?
Answer: Yes, the Renogy Battery Shunt 300 is compatible with lead-acid, lithium-ion, and LFP batteries. Its versatility makes it an excellent choice for diverse energy solutions, from renewable energy systems to automotive applications. This broad compatibility ensures it meets the varying needs of different users, whether they're utilizing it for a solar energy system or for monitoring vehicle battery health. -
Question:
What happens if the current exceeds 500A with the Renogy Battery Shunt 300?
Answer: The Renogy Battery Shunt 300 is rated to monitor up to 500A of current. If the current exceeds this limit, the shunt may not provide accurate readings and could potentially become damaged. To avoid this, it's essential to ensure your setup is within this threshold and consider using multiple shunts if higher currents are expected, especially in high-demand scenarios like electric vehicles or large solar installations. -
Question:
Can I integrate the Renogy Battery Shunt 300 with solar power systems?
Answer: Absolutely. The Renogy Battery Shunt 300 is optimized for use in solar power systems. By measuring the battery's charge and discharge rates, it helps you effectively manage the energy produced by your solar panels. This ensures you are maximizing energy capture and usage, essential for sustainable living, especially in off-grid applications. -
Question:
How can I install the Renogy Battery Shunt 300?
Answer: Installing the Renogy Battery Shunt 300 involves connecting it in series with your battery bank. The installation process typically includes securing the shunt and connecting it to a monitoring display or app. If you are unfamiliar with electrical installations, it's advisable to consult a professional to ensure safe and effective setup. This is critical for accurate monitoring and ensuring your entire system operates efficiently. -
Question:
What types of displays are compatible with the Renogy Battery Shunt 300?
Answer: The Renogy Battery Shunt 300 can work with various compatible displays, including Renogy's dedicated battery monitors. These displays will show real-time data about voltage, current, and overall battery status. Utilizing a compatible display gives you a comprehensive overview of your power system, making it easier to manage energy consumption, which is particularly beneficial for RVs and off-grid applications. -
Question:
Where can I buy the Renogy Battery Shunt 300?
Answer: You can purchase the Renogy Battery Shunt 300 on Ubuy. Ubuy offers a reliable shopping experience and a wide range of products, ensuring you can find the power solutions that best satisfy your needs. When you order from Ubuy, you'll benefit from easy access to essential battery monitoring equipment.
Renogy Battery Testers Editorial Review
Renogy Battery Shunt 300 offers smart remote battery monitoring via an app, making it easy to track battery performance from your smartphone. This device operates on battery power with a minimum voltage of 8 volts, ensuring broad compatibility for various setups. Users appreciate its accurate sensor and quick setup features, which enhance the convenience of managing their power systems effectively. With the ability to measure up to 500A, it provides essential data for maintaining battery health and performance. Additionally, the included temperature sensor aids in monitoring unit performance, ensuring safe operation under different conditions.
Customer Reviews & Ratings
124 customers ratings
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5 Star
57%
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4 Star
7%
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3 Star
8%
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2 Star
9%
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1 Star
19%
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Pros
- Smart remote monitoring via app
- Accurate sensor for precise measurements
- Quick setup with included components
- Supports a wide voltage range
- Lightweight and easy to install
Platform Trust & Buyer Confidence
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Jasmin
Verified buyer
“Great products and very good service: very easy and very fast international delivery.”
9 September 2026 · via Trustpilot
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Anke
Verified buyer
“Wonderful online shopping experience, smooth transaction from the start. Payment method works conveniently and delivery is unexpectedly fast and reliable. You go the extra mile for service. What makes this even more amazing, you deliver to Namibia. I will remain a happy Ubuy customer and will increase my purchases for sure! Thank you!”
10 September 2026 · via Trustpilot
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Verified buyer
“Very easy to find the products what you need, and so fast delivery, that’s why I highly recommended to others costumers to used ubuy.”
10 September 2026 · via Trustpilot
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Opaleye
Verified buyer
“I received exactly what I ordered I was skeptical about your site because that was my first time to order. But the order came timely and neatly packaged. I was not disappointed. Thank you.”
11 September 2026 · via Trustpilot
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Adele
Verified buyer
“Easy to find and order what you want on the website. Delivery is quick to the UK”
8 September 2026 · via Trustpilot
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Important information
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ZMW 3743
Order now and get it around Thursday, October 01
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Features & Benefits
- 1% Accuracy Measurement for precise voltage and current draw.
- High/low capacity alarms protect against battery over-discharge.
- Compatible with all battery types (Lead Acid, Lithium, Nickel-metal hybrid).
- Works with 12V, 24V, and 48V battery systems.
- Easy-to-read display shows multiple parameters with adjustable brightness.
- Simple installation with a transparent shunt holder and 20ft cable.
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