2500mAh XTRA-Hi-Capacity Battery Pack for Tivoli PAL (MA-4 3-pin) and TEAC Portable Radios Ni-MH, 7.2v, 2500mAh (perfect replacement for MA-4, BP-R1, BP-R2, BP-R3, & BP-R5) **Please note this is a 3-WIRE battery** PLEASE CHECK if your radio uses a 2 or 3 wire battery before ordering! Includes charging instructions and simple tips (for best performance and longest life) printed right on the back label. Includes a thermal fuse for overcharge protection (make sure you have this!) Satisfaction guaranteed or money back - including return shipping!