DescriptionFluke 177X Li‑Ion Battery Fluke Part Number: 5272862Power your Fluke 1773, 1775, and 1777 Power Quality Analyzers with confidence. This genuine lithium‑ion battery pack comes complete with its holder, delivering reliable supplemental power when you need it most. Designed as a direct replacement for the factory‑supplied battery, it ensures seamless compatibility and easy installation. Keep your analyzer running at peak performance with the trusted durability of Fluke.