OEM Dual Pocket Desktop Charger This universal charger comes with three inserts that can be interchanged to work with five different Nextel handsets. The charger features two charging bays to accommodate a phone with a battery as well as a spare battery simultaneously and it recharges slim, standard and high capacity batteries. A power supply is not included with the charger, but it is compatible with either the standard or rapid travel charger included in your phone kit.