EFFICIENT CHARGING: The CEC-compliant Smart Charger for the Stinger series is a powerful solution that fully recharges within 7.5 hours with a 5V/1A USB input and an impressive 4 hours with 12V DC input; ensuring a quick turnaround for your devices. MINIMIZE DOWNTIME: Designed to charge an extra battery; this piggyback charger is a strategic tool to reduce downtime; providing a continuous power supply for uninterrupted workflow. VERSATILE POWER SOURCE: The charger does not include a battery or charge cords; allowing you to customize and adapt the charging solution to your specific needs within the Stinger series. RELIABLE AND FAST: With a focus on reliability and speed; this smart charger is an essential component to keep your tools powered and ready for action; offering efficiency and convenience in your charging routine.