1500mAh Rechargeable Cordless Phone Battery for Panasonic P-P511 Compatible with Tandy/Radio Shack:43-9013 43-9005 43-9007 43-9002 43-9003 23-965 23-967 100% compatible with original battery. Free shipping. It comes with a 1 year warranty. No memory effect battery. longer running time & Enviromental friendly.