This compact, Premium Dual Desktop Charger for Nextel i830, i833, i836, features an LCD Charging Status Display that allows you to monitor the charging status. The rapid charge system will recharge your phone battery and spare battery at the same time! Dual Smart I/C chip protects the battery and prevents over-charging. Invest in this Premium Dual Desktop Charger and protect the life of your phone and its batteries.  FEATURES This Mini LCD Twin Desktop Charger charges phone battery and spare battery at the same time Rapid charging with LCD Charging Status Display Dual Smart I/C chip protects your battery and phone from overcharging Charges NiCd, NiMh, and Lithium batteries Includes Premium Power Adapter This LCD Screen Desktop Charger is compatible with Nextel i830, i833, i836 **Phone or Device, if pictured; is NOT INCLUDED, this is an accessory compatible with your device *Extended batteries will not fit this charger.