About this replacement
Designed for Alaris Medicalsystems, Welch-Allyn devices. Compatible models include 1550 MED SYSTEM 3 2860 Infusion PUMP, MED SYSTEMS 3, MedSystem III, 2860, 2863, 2865, 2866, WA49020-EF, WA49020-EF-M, WA49020, WA49020-M, WA49020-M-KIT. Replacement part numbers include MED3201, AS10805, 2860729, 72250. Key specifications: 3.6V, 3000mAh, Ni-MH.