Genuine Uniden Model Bt- 1025 Rechargeable Cordless Handset Phone Battery (2 Pack) Not a "knock-off" or "reproduction", it's the real thing with Uniden quality, reliability, and long life! Exactly the same battery Uniden installs at the factory For many Uniden Phone Systems and Cordless Handsets (see description for full list) Long-Lasting Nickel Metal Hydride composition 2.4-V DC; 400-mAh