This portable emergency battery pack is ideal for providing backup power to your safe box and other electronic devices. Its multi-output power supply feature allows you to connect several devices at once, ensuring they remain functional during emergencies. The compact and lightweight design makes it easy to carry and store, offering a practical solution for power outages.Features-Color:Black-Material:Plastic-Size:27.00X6.50X1.80cm/10.61X2.55X0.71in-Comprehensive design: this emergency charger external is a multifunctional solution for diverse needs.-Highlevel security: equipped with advanced antitheft features, it protects your valuables from potential theft.-Convenient portability: the compact and lightweight design makes it easy to carry and install, suitable for multiple locations.- power: the backup battery box ensures extended power supply, keeping your devices running smoothly.-Broad compatibility: the universal design fits various safe boxes and door locks, simplifying replacements and upgrades.Package list: 4 x Battery Box