Ultralast UL4AAHYB110/220 HYBRIO Multi-Voltage Wall NiMH/NiCd Battery Charger Kit Overnight 110/200V multi-voltage travel wall charger kit can charge four AA or AAA NiMH batteries at one time Includes four 2100mAh AA Ready-To-Use HYBRIO batteries HYBRIO batteries last 4x longer than standard disposable batteries