Replacement battery fits 19 Casmed compatible models. Specifications: 3800mAh, 7.2V, Ni-MH. Compatible with: 740, 750, 940X, CAS 740, CAS 740-1, CAS 740-2 and 13 more compatible models. Replaces: Casmed 03-08-0450-I, Casmed 03-08-0450, Casmed 6036, Casmed 120336, Cas Medical 03-08-0450, Cas Medical 6036 and 5 more. Casmed replacement battery designed for Medical devices.