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FEATURES USB-C Rechargeable: Charge directly with the included USB-C cable. No proprietary chargers or docks required. 60-Minute Charge Time: Fully charged in on hour for quick turnarounds between uses. 1.5V Constant Voltage: Stable output for better performance in high-drain devices like headlamps, remotes, and game controllers. Smart Battery Management: Built-in protection circuitry prevents overcharging, overheating, and short-circuiting. 1 Battery = 1,000+ Disposables: Each cell replaces hundreds of single-use batteries over its lifetime, reducing waste and cost. Responsibly Designed: Packaged in GRS-certified post-consumer recycled plastic, designed with sustainability in mind. SPECIFICATIONS Chemistry: Lithium Ion Energy: 900 mWh Voltage: 1.5V Capacity: 600 mAh Charge Time: 60 minutes (depending on charger specifications) Cycle Rating: 1000+ Cycles Charging Cable: 1 USB-A to 4 USB-C Charge State Indicator: Green LED Protection Circuit: Integrated safety circuit protects battery and device Overheat Protection: Operating at max output the battery will not overheat, this is part of the protection circuit. Other Safety Protections: Protects against Overload, Leakage, Short Circuit, Over Voltage, & High Temperature Certifications: IEC 62133, CE, FCC, PSE, UN38.3, RoHS, REACH Operating Temperature Rage: -20c -> 60c, (-4F-> 140F) Cells Per Battery:1 Lithium Content: 0.075g Individual Battery Weight: 7.9g WHAT'S IN THE BOX 4x AAA USB-C Rechargeable Batteries 1x Charging Cable 1x Recycled Plastic Travel Storage Case