Energi to Go Instant Cell Phone Charger with Two Sprint Connectors

Provides fast, long-lasting charging power for your cell phone devices when you're unplugged & on the go. Features a patented intelligent control chip that maximizes power transfer from the charger to the phone. Power conversion technology optimizes the battery performance for a longer life. Reusable - simply replace the batteries as needed for everlasting use. Adapter / Charger Type: Portable Mobile Charger; for Device Type: GSM; CDMA; Power Source(s): 2 AA Lithium Battery; Connector / Port: n/a.