2-Pack iMah Ryme B15 HHR-P105 Phone Battery Compatible Panasonic HHR-P105A KX-TG5777 KX-TGA242 KX-TGA571 (Type 31) Home Handset Cordless Telephone AAA*2 Rechargeable Nickel Metal Hydride, 830mAh, 2.4V DC Over-voltage, over-current, over-charge, and short-circuit protection Compatible with original Panasonic HHR-P105 (HHR-P105A) Type 31 Battery and Panasonic KX-TGA241, KX-TGA242, KX-TGA243, KX-TGA246, KX-TGA570, KX-TGA571, KX-TGA572, KX-TGA573S, KX-TGA670, KX-TGM240B Handset Telephone Come with 2 iMah Ryme B15 Cordless phone battery packs Choose one better than buying new phones