Brand: RadioShack. MPN: 230-2487. Replacement battery for many Panasonic phones. 3.6V Rechargeable Cordless Phone Battery Voltage : 3.6V Capacity : 850mAh Chemistry : Ni-Mh Connector Type : Metal Contacts Battery Pack : 3 x AA size cells This battery is compatible with the following phones: Panasonic FPG371 Panasonic HHRP511 Panasonic HHRP-511 Panasonic hhr-p511 Panasonic PP511 Panasonic P-P511 Panasonic P-P511A Panasonic KX2219 Panasonic KX2222 Panasonic KX2720 Panasonic KX2730 Panasonic KX2750 Panasonic KX2770 Panasonic KX372 Panasonic KX376 Panasonic KX377 Panasonic KX5110 Panasonic KXFPG381 Panasonic KXTG2205 Panasonic KXTG2207 Panasonic KXTG2215 Panasonic KXTG2217 Panasonic KXTG2227 Panasonic KXTG2236 Panasonic KXTG2237 Panasonic KXTG2239 Panasonic KXTG2247 Panasonic KXTG2257 Panasonic KXTG2267 Panasonic KXTG2287 Panasonic KXTG2700 Panasonic KXTG2740 Panasonic KXTG5100 Panasonic KXTGA270 Panasonic KXTGA2705 Panasonic KX-TGA270S Panasonic KXTGA273 Panasonic KXTGA510 Panasonic KXTGA510M Panasonic N4HKGMA00001 Panasonic PQPP511SVC Panasonic TYPE 24 RadioShack : 43-9002 / 43-9003 / 43-9005 / 43-9007 / 43-9013.