DESC: Motorola Extended Battery for Nextel i580, i880 and more SNN5782 Model/Part #: SNN5782 ( SNN5782 ) Be prepared to stay in touch when your original battery loses its charge. Replacement high capacity batteries provide a backup power source and also give you the opportunity to increase talk time. Compatible with the models listed below. Compare Similar Items Compatibility Product Specs Related Items Motorola C290 i880 Nextel i580 i880 MOTOROLA SNN5782 High Performance 1000mAh Li-Ion Battery (Original). SNN5782 1000mAh battery Lithium Ion battery delivers the most power per ounce and can be recharged hundreds of times with no loss of performance from "memory effect