Portable Power: This battery provides a portable power source for DXR monitors, allowing them to be used in locations where AC power is unavailable or impractical. Rechargeable: As a lithium-ion battery, the Mobi battery is rechargeable, allowing you to use it repeatedly without the need for disposable batteries. This makes it a cost-effective and environmentally friendly power solution. Compatibility: The Mobi Rechargeable Lithium-Ion Battery is specifically designed to work with the DXR series digital monitoring systems, which are high-quality audio monitors used in professional audio production, live sound reinforcement, and studio monitoring applications.