- Replacement Battery for SONY BP-T40 – Ni-MH, 3.6 Volt, 650 mAh.
- 100% compatible with your OEM battery – 3 year warranty.
- Made with high quality Japanese cells.
- Synergy Digital® is a Registered Trademark
Radio Shack 23-198 Cordless Phone Battery Ni-MH, 3.6 Volt, 650 mAh – Ultra Hi-Capacity – Replacement for SONY BP-T40 Rechargeable Battery