P-HHR-P107A - Battery
Mfr Name: Panasonic Accessories
Mfr Number: HHR-P107A
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294-1709 - Dantona Replacement Cordless Phone Battery Panasonic HHR-P107
Replacement Cordless Phone Battery Panasonic HHR-P107.
Mfr Name: Dantona Industries
Mfr Number: BATT-107
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294-1720 - Cordless Phone Battery Replacement for Panasonic HHR-P107 3.6V 700mAh
I have used MCM for many years and would give high recommendation for getting the job done right.