Additional Features: Voltage: 0 to 15 V Current: 0 to 3 A Peak Current for up to 7 ms: 5 A Power: 45W Programming accuracy at 25°C ±5°C Voltage: 0.05%+ 10 mV + Current: 0.05%+ 1.33 mA DC Readback Accuracy Voltage: 0.03% + 5 mV Current (+20 mA to + rated current): 0.2% + 0.5 mA Current (-20 mA to – rated current): 0.2% + 1.1 mA Current (-20 mA to + 20 mA range): 0.1% + 2.5 µA Transient Response 70 mV drop, <35 µs transient response time The Agilent HP 66311B Mobile Communications DC Source is a 45 watt power supply that functions as a power-source alternative for batteries and charger for testing mobile phones and portable devices. The source is rated 0 to 15 V @ 3 A with a peak current of 5 A.