DESC: Energizer cordless phone batteries offer the long life and consistently reliable performance you need to get the most out of your cordless phone, thanks to advanced engineering and state-of-the-art manufacturing.Energizer cordless phone batteries meet or exceed original standards at a lower cost.This Energizer ER-P507 nickel-metal hydride cordless phone battery replaces the Panasonic HHR-P103 and HHR-P103A.