BT - Diverse - 5410, 6110, 6150, 6250, 6350, 7100, 7150, 7200, 7400, 7410, 7450, 7460, X5, Graphite 1100, 1500, Elements, Stratus 1500, Aqua, BT Hub, Hudson 1500, Calypso 120, 225, Esprit 1250

NiCad 300mAh batteries are compatible with earlier 250 and 280mAh batteries NiMH 650 are compatible with 550, 600, 700mAh batteries NiMH 850mAh batteries are compatible with 750 and 800mAh batteries