Comprehensive protections for safe operation: overcharge, overcurrent, overvoltage, overheating, shortcircuit and other intelligent safeguards protect both the battery and connected devices, helping prevent damage and extend lifespan. Flameretardant, durable shell: ABS housing provides a flameretardant, wearresistant enclosure that enhances safety and durability for largecapacity batteries. Backup power for router equipment: keeps your router powered during outages, so your network stays online and disconnects are avoided. Portable and travelfriendly: compact size for easy carrying; fits in a bag or car for convenient use at home, in the office, or on the road. Use scenarios: Home during power outages: maintain router operation to ensure uninterrupted internet access for work, communications, and entertainment. Small office or cafe: reliable uptime for essential router equipment, reducing downtime and service interruptions. Travel or remote locations: lightweight and compact power backup that travels with you, ready to keep your router running wherever you go.