Replacement Radioshack ET-3581 battery for cordless phone systems. Made from grade A quality cells which equates to a longer battery life. The Radioshack ET-3581 cordless phone battery is guaranteed to meet or exceed original manufacturer specifications.
- Model: BT-446 Battery (interchangeable with Radioshack ET-3581 )
- Voltage: 3.6V
- Capacity: 800mAh
- Chemical Composition: NiMH
- Dimensions: 31mm x 46mm