Genuine Panasonic OEM Ni-MH rechargeable AAA batteries are made specifically for Panasonic DECT 6.0 and other cordless phone models. These rechargeable batteries are designed for use in Panasonic cordless phones, including series KXTG1000, KXTG4000, KXTG4100, KXTG4700, KXTG6300, KXTG6400, KXTG6500, (not including HHR-4DPA/4B KXTG6500), KXTG6600, KXTG7400, KXTG7500, KXTG7600, KXTG7700, KXTG8000, KXTG8200, KXTG9300, and KXTG9400. Also includes models KXTG113, KXTG243, KXTG265, KXTG4311, KXTG4312, KXTG4313, KXTG8412, KXTGA101, KXTGA106, KXTGA402, KXTGA410, KXTGA631, KXTGA641, KXTGA642, KXTGA652, KXTGA653, KXTGA659, KXTGA660, KXTGA740, KXTGA750, KXTGA805, KXTGA820, KXTGA840, KXTGA930, KXTGA931, KXTGA936, KX-HN6000W, KX-HN6003W, KX-HN-6006SK, KX-HNH100W, and other phone models ( 5.8GHz models, not DECT 6.0.).