General Features: - Li-Ion Rechargeable Internal PDA Battery; - 2850mAh ULTRA High Capacity means more long runtime; - Voltage: 3.7V; - 100% compatible with Original Battery; - No Memory Effect, The battery can be recharged without loss of capacity; - SGS-ISO-9001-2000 Approved. PDA MODELS: - hx2000, - hx2110, - hx2200, hx2210, hx2215, - hx2400, hx2405, hx2410, hx2415, hx2420, - hx2700, hx2705, hx2710, hx2715, hx2755.