# BT521 Fluke Battery Analyzer New

**Additional Features:**

-   Key measurements: Battery resistance, DC and AC voltage, DC and AC current, ripple voltage, frequency and battery temperature
-   Sequence measurement mode: Automatic or manual sequence testing of battery strings with automatic measurement storage including voltage, resistance and temperature (with BTL21 intelligent test probe)
-   Comprehensive logging: All measured values are automatically captured during testing and can be reviewed on the instrument before downloading for on the-go analysis
-   Optimized user interface: Quick, guided setup ensures you're capturing the right data every time, and the combined visual and audio feedback cues reduce the risk of measurement confusion
-   Threshold comparison: Configure multiple reference values and thresholds for resistance and voltage. Comparison result feedback after each measurement via visual and verbal cues
-   Ergonomic test leads: Rugged coaxial two pole kelvin test pins with remote SAVE button reduce test time and increase efficiency
-   Test probe extenders: Long reach probes for double stacked cells
-   Intelligent test probe set (BT520 and BT521): Integrated LCD display, flashlight, verbal audio feedback and captures voltage readings and temperature logging automatically or via integrated save button
-   Enhanced data analysis: Quickly compare trends, analyze results and create reports with included battery management software
-   Easy reporting: Generate PDF report on the PC software with analysis graphics and data table or quick email format report with csv file on the mobile app
-   Wireless communication: For data download and remote display while measuring. Browse and email measurement data via iOS app
-   Battery life: 7.4 V 3000 mAh lithium-ion battery for more than eight hours continuous operation
-   USB port: For fast data download to supplied data analysis and report management application software
-   Highest safety rating in the industry: CAT III 600 V, 1000 V DC max. rated for safe measurements all around the battery power supply equipment

**Includes:**

-   Battery analyzer
-   4-wire test pin (set)
-   BTL10 Basic Test Lead (set)
-   TL175 TwistGuard™ Test Leads with adapter
-   L300 Attachable LED Flashlight (2)
-   BTL21 Intelligent Test Probe Set, with extender and temperature sensor
-   i410 AC/DC Current Clamp
-   BP500 lithium-ion battery
-   BC500 AC charger
-   mini-USB cable
-   Shoulder strap
-   Belt strap
-   Magnetic hanging strap
-   FlukeView® Battery Management Software
-   Soft carrying case
-   Spare fuses (2)
-   Battery tags

The Fluke BT521 Battery Analyzer is ideal test tool for maintenance, troubleshooting and performance testing of individual stationary batteries and battery banks used in critical battery back-up applications. The intuitive user interface, compact design and rugged construction ensure optimum performance, test results and reliability. 

The BT521 Battery Analyzer covers a broad range of battery test functions ranging from DC voltage and resistance tests to full condition testing using an automated string function testing and the test probe integrated infra-red temperature measurement system. The BT521 Battery Analyzer is designed for measurements on stationary batteries of all types.

## Details

- **Price:** 6852.99 USD
- **Vendor:** Fluke
- **Type:** Batt Ana
- **Tags:** Analyzers, Battery, Fluke, Manufacturers, product_manual_group_1, Product_new

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 6852.99 USD | In stock |

## Images

- BT521 Fluke Battery Analyzer

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> Source: [ValueTronics](https://valuetronics.com/products/bt521-fluke-battery-analyzer-new)
> Updated: 2026-05-21