Progo Home & Travel Pocket Battery Charger With Car Adapter for Sony NP-BN1 NPBN1. Progo Brand High-quality "smart" battery charger set including both wall charger and auto cigarette lighter adapter (car charger). World-traveler input voltage AC 110v-240v and DC 12v-24v. Fold-in AC plug. Quick charging Sony NP-BN1 battery. Smart circuit design and LED indicators with automatic current control to protect battery from overcharging, short circuit, and electronic shock. 12 months warranty