About this replacement
Designed for Swisscom, Philips, Binatone devices. Compatible models include Classic J218, Classic MX91, KALA3353, DECT 211, ON AIR 1000, ON AIR 1100, ON AIR 1250, ON AIR 1800, ON AIR 2000, ON AIR 2100, ON AIR 2250, CWD 250. Replacement part numbers include 30AAAAH3BMX, T307, 65AAAH2BMX. Key specifications: 3.6V, 700mAh, Ni-MH.