BT - Verve 450 Battery for Single, Twin, Trio and Quad phones GPHP70-R05

Replacement 2.4V NiMH 600mAh slim battery pack for the BT Verve 450 range of cordless home phones.
The original battery part numbers for Verve 410 phones are: GPHP70-R05, 5M702BMX, 5M702BMXZ, GP5M702BMX, GP5M702BMXZ
When your new battery is first installed in the handset, it is recommended to charge the battery on its base set for 20 hours continually before use.