Replacement battery fits 6 Acutrac models, including Satellite. Specifications: 700mAh, 8.4V, Ni-MH. Compatible with: 22 Pro, Digisat Pro, Digiair, MKII Satellite signal meter, Digisat 3 Pro, 22Pro MKII. Replaces: Acutrac NB-1X7, Acutrac PO201003. Acutrac replacement battery designed for Equipment devices. Built to OEM specifications for reliable performance.