A battery pack is a removable module that stores electrical energy for a device. In laptops, power tools, radios, cameras, and many embedded systems, the pack lets the hardware run without a wall supply and can often be swapped when it is depleted or worn out.
In cyber security, battery packs matter because power is part of system availability and integrity. A drained, damaged, or tampered pack can shut down a device, interrupt logging, erase volatile data, or disable monitoring equipment. Attackers may try to remove or exhaust batteries to force downtime, while defenders look for battery health checks, secure charging circuitry, tamper detection, and safe replacement procedures. In short, a battery pack is not just a power source; it can be a point where resilience, maintenance, and physical security meet.