Keep your test tools running longer with this 3500 mAh extended rechargeable battery pack designed for dependable portable power during extended measurements and troubleshooting. Built with Ni-MH chemistry and a 4.8 V output, it delivers consistent performance to help reduce interruptions on service calls, inspections, and fieldwork. Compatible with FLUKE 120 / 123 / 124 / 125 Scopemeter Test Tool, 43 / 43B Power Quality Analyzers; replacement for B11483 / BP120 / BP130. Disclaimer: This is not an Original Equipment Manufacturer (OEM) product, HQRP branded product is a replacement. All brand names and logos are registered trademarks of their respective owners. Any use of the brand names or model designations for this product are made solely for purposes of demonstrating compatibility.