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Car Battery Tester with Built-in Printer OBDMONSTER BM550U, 6V/12V/24V
✅ In stock
F
Grade
Analysis Confidence
100%
Price verified Sep 22, 2026 4:13 AM · Prices & availability subject to change
Is This a Good Price on Amazon?
💤 Not a Deal- 💤Verdict: Not a Deal. Price is at or above historical norms. Best to wait for a sale.
- 💰At 67% above its usual rate, this is currently priced higher than what most shoppers have paid.
- 🏷️The listed retail price is trimmed by 10% at checkout.
- 📉It has been quite a while since a more competitive price was available, lending today's offer solid comparative value.
- 📈Prices have been moving higher lately — waiting risks paying more if that momentum continues.
How We Scored This Deal
Price Competitiveness
0/28
Recent Value
0/22
Market Standing
0/20
Deal Strength
0/20
Momentum
0/10
📝 Product Overview
🚚 Shipping
Free Shipping
Product Details
✓【Upgraded built-in thermal printer】 OBDMONSTER battery tester is a professional automotive battery tester with printing function. Based on the first-generation BM550, it has designed a battery diagnosis report printing function, allowing you to generate a paper-based report immediately while getting a detailed understanding of the health status of your car battery. Efficient output, say goodbye to the troubles of manual recording and data loss.
✓【Advanced Diagnosis】 This battery tester adopts the latest internal resistance measurement method and is combined with the self-developed algorithm of OBDMONSTER engineers to complete one-stop reading of core parameters such as internal resistance, voltage, health status (SOH), charging status (SOC), and CCA value, comprehensively presenting the current status of the battery. Provide reliable data for the health diagnosis of your car battery.
✓【Wide Compatibility】 This battery tester is compatible with all specifications of automotive batteries, including 6V/12V/24V and 100-2000CCA. It is widely compatible with common lead-acid, AGM flat, AGM and gel batteries, etc. It is the best choice for automotive engineers and home car owners to ensure your car remains in the best condition! Additionally, it is not compatible with lithium batteries.
✓【Universal Security and User-friendly】 It features a 1.8-inch color screen that clearly displays the read data even in dim light. The built-in thermal printing mode eliminates the worry of running out of ink. With just the standard thermal printing paper included, you can generate the test results, which is convenient and efficient. Additionally, the BM550U comes with two standard rolls of thermal paper, enough to complete a large number of battery tests.
✓【Industrial-grade Durable Material】 Equipped with 100% high-quality safety copper clamps, with strong biting force, reverse polarity protection and anti-spark function; The tester has internal overvoltage protection and over-temperature protection, ensuring high safety in use. It adopts an ABS shell design, making the body more sturdy and durable, and suitable for complex working environments. It has been verified through rigorous testing and features outstanding stability and durability.
✓【Real-time Wave View】 When you need to know more details about your battery or alternator performance when working, you may use the Waveform Monitoring function to monitor the real-time output curve. It gives you all the detailed changes view of the output. You can test the batteries both in-vehicle and out-of-vehicle, which is very convenient.
✓【Thermal Printing Paper】57mm (width) x 30mm (core diameter), standard universal size, making it easy to find compatible paper at office supply stores or on Amazon.
⚙️ Specifications
Brand
OBDMONSTER
Power Source
Battery Powered
Style
Tools
Color
Black+Red
Min. Operating Voltage
6 volts
Specification Met
Cca
Upper Temperature Rating
85 °C
Measurement Type
Ohmmeter, Voltmeter, Ammeter
UPC
709345272799
Manufacturer
OBDMONSTER
Package Dimensions
5.87 x 2.87 x 2.24 inches
