The ArtisanPower RB-8400-LE is an extended capacity replacement battery designed for Polycom and Spectralink 8400 series phones. This battery provides a 2350 mAh capacity, offering a direct replacement for original batteries in these specific phone models. It is intended for businesses and IT departments managing fleets of Polycom or Spectralink 8400 phones that require reliable power solutions. The RB-8400-LE addresses common issues such as diminishing battery life in aging devices or the need for longer operational times between charges, ensuring communication devices remain functional throughout shifts or critical periods.