Using the correct power supply will ensure the equipment is receiving the correct voltage, adequate current, and (importantly) the correct polarity.
LabQuest 3 (LABQ3) uses the LabQuest® Power Supply (LQ3-PS). (The LabQuest 3 can also be powered using a LabQuest Power Supply (LQ-PS, discontinued). However, using this power supply will not charge the battery of the LabQuest 3.)
|Lab Quest Power Supply||5 V||1500 mA||center positive|
|LabQuest 3 Power Supply||5 V||2500 mA||center positive|
|Vernier AC Adapter||6 V||1000 mA||center negative|
Go Wireless® Charging Station (GW-CRG, discontinued) uses the LabQuest® Power Supply (LQ3-PS) or the LabQuest Power Supply (LQ-PS, discontinued).