Power up your emergency preparedness with this versatile 3.7V 15000mAh lithium-ion battery. Specifically designed for crucial outdoor and emergency equipment, this high-capacity battery is compatible with hand-cranked radios, solar charging lights, and portable flashlights. The reliable power source ensures your emergency devices stay operational when you need them most. With its substantial 15000mAh capacity, this battery provides extended runtime for your essential devices. The lithium-ion technology offers consistent power output and maintains stable voltage throughout its discharge cycle. Perfect for emergency kits, outdoor adventures, or as a backup power solution for your portable devices. Keep your emergency communication and lighting equipment ready with this dependable power source.