Digital Camera Battery AC/DC Charger for Canon NB4L, NB-4L Digital Camera Battery AC/DC Charger for Canon NB4L, NB-4L Dekcell battery chargers with ultra fast charging technology through continuous measuring and optimizing of energy acceptance levels charges batteries The refresh function completely discharges your battery for extending the battery life, and microprocessor AC adapter input voltage: 90-250V 50/60Hz (worldwide use). Car adapter input voltage: 12/24V. Color: Black Brand new, one year warranty! Package contents: 1 x Compact ultra fast battery charger with built-in folding AC plug, 1 x car adapter.