Replacement Li204SX, NI2040 IT & Medical Equipment Battery

Maximum Runtime for Field Testing

Keep your critical test and measurement equipment running with this high-capacity 7800mAh replacement battery. Designed for professionals who perform field testing, fiber optic analysis, oscilloscope measurements, and ultrasonic inspections, this battery provides the extended runtime necessary to complete testing jobs without interruption. Whether you're troubleshooting telecommunications networks, performing electrical diagnostics, or conducting non-destructive testing inspections, this battery ensures your equipment stays powered throughout long workdays and remote site visits.

Reliable Power for Professional Instruments

Built with premium Li-ion cell technology, this 11.1V battery delivers 86.58Wh of consistent, reliable power that professional test equipment demands. The high energy density supports power-intensive operations like continuous waveform capture, fiber optic trace analysis, and real-time ultrasonic imaging without compromising performance. Field technicians, telecommunications engineers, quality control inspectors, and maintenance professionals can work with confidence knowing their equipment has the power reserves needed for comprehensive testing and analysis.

Wide Compatibility Across Leading Brands

This versatile battery powers equipment from multiple leading test and measurement manufacturers. Compatible devices include Yokogawa optical time-domain reflectometers (OTDR) in the AQ7280 series, Tektronix portable oscilloscopes in the TPS2000 and TPS2000B families, HP/Agilent communication analyzers in the VA7000 series, and Olympus Omniscan phased array ultrasonic testing systems. The battery serves as a direct replacement for original part numbers including Yokogawa 739883, Tektronix NI2040 variants, HP A6188-67004 and 1420-0868, and JDSU/Viavi equivalents, making it an ideal spare or replacement for multi-brand test equipment fleets. Perfect for technicians who need reliable backup power or organizations maintaining critical test instrumentation.