Material and protection: ABS construction provides rugged resistance, good heat tolerance, and insulation to help keep your power solution and connected devices safe in varying conditions. Battery configuration: does not include batteries. You supply your own battery pack, allowing you to capacity while you monitor energy with the builtin voltage display. Power and durability: selfconfigured mobile power with a larger battery capacity and enhanced durability to better meet charging needs during extended use. Charging capability: two USB outputs paired with a clear voltage display to manage multiple devices and monitor charging status at a glance. Function and compatibility: designed to accommodate your own battery setup for a power solution; suitable for users who need flexible, portable power management without a preinstalled battery. Use scenarios: Travel and onthego: charge smartphones, tablets, and other USBpowered devices while away from outlets, with realtime voltage monitoring. Field work or outdoor activities: reliable, portable power for cameras, drones, audio gear, or other USBpowered equipment, plus visibility of voltage status. Home or office use: serve as a compact power solution during outages or as a multidevice charging station while keeping energy levels visible.