Replacement battery fits 6 Endress+Hauser compatible models. Specifications: 4000mAh, 7.2V, Ni-MH. Compatible with: Prosonic Flow 91W, Prosonic Flow 92F, Prosonic Flow 93T, Prosonic Flow 93C, Prosonic Flow 93P, Prosonic Flow 93W. Replaces: Endress+Hauser 93TA1-AABEAG. Endress+Hauser replacement battery designed for Equipment/Survey/Test Charger devices. A precise, secure fit you can rely on.