Replacement battery fits 12 NEC compatible models. Specifications: 700mAh, 3.6V, Ni-MH. Compatible with: LifeTec LT9965, LifeTec LT9966, LifeTec DECT GAP, LifeTec LT9960, LifeTec LT9983, DECT 1000 and 6 more compatible models. Replaces: Medion 17NO09T180. NEC replacement battery designed for Cordless Phone devices. Tested for reliability and long service life.