Fluke BT521 Advanced Battery Analyzer

The Fluke BT521 is a professional-grade battery analyzer designed for comprehensive testing and maintenance of stationary battery systems across UPS, telecom, and energy storage applications.

✅ Key Features:
• Measures battery and strap resistance (up to 3000 mΩ) with exceptional accuracy
• DC/AC voltage, ripple, frequency, and temperature measurement
• High precision: ±0.8% (resistance) / ±0.09% (voltage)
• Large backlit LCD with intuitive interface and data logging
• Stores up to 450 battery records per profile with USB data export
• Intelligent BTL21 probe with built-in temperature and IR sensing
• CAT III 600 V safety rating and IP40 protection
• Long-lasting Li-ion battery (over 8 hours runtime)
• Compact, durable design — only 850 g

This unit is in excellent working condition and performs flawlessly. Ideal for professionals who demand accuracy, efficiency, and reliability in critical power maintenance.