Manufacturer: Panasonic - BSG  •  RoHS/pb-free: Pb-free  •  Battery Type: Nickel Metal Hydride (NiMH)  •  Voltage - Rated: 4.8V  •  Capacity: 550mAh  •  Battery Cell Size: AAA - Flat Top  •  Number of Cells: 4  •  Structure: 1 Row x 4 Cells Side to Side  •  Termination Style: Solder Tab  •  Rechargeability: Yes  •  Other PartNo: P011-F041