Replacement Cordless Phone Battery for Sony PP57: Compatible 3.6V 600mAh Ni-MH Power Source (Dimensions: 42.64 x 30.00 x 14.45mm). Restore your cordless phone's talk time with this high-quality battery. Also compatible with models like Sony BP-T14, BP-T16, BP-T22H, BT-T16, and CLT8800.
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