Battery Widget % Level Plus by M2Catalyst, LLC represents a specialized utility application focused on battery monitoring and signal optimization for Android devices. The app occupies a niche position in the utility market by combining traditional battery percentage tracking with innovative signal mapping technology, distinguishing itself from basic battery widgets through its multi-functional approach. The application's core functionality revolves around six customizable widget styles that display real-time battery metrics in sizes ranging from 1x1 to 2x2 grid spaces. These widgets provide comprehensive data including exact battery percentage, charging status, estimated charge completion time, battery temperature readings, and historical battery usage graphs. The standout feature remains the Best Signal Finder map, which utilizes crowdsourced data to visualize geographic areas where poor cellular signal correlates with increased battery drain, enabling users to identify and avoid locations that negatively impact battery performance. User experience centers around the widget implementation and map interface, with the application prioritizing at-a-glance information accessibility. The widgets update in real-time and maintain consistent visibility on home screens, while the map interface requires manual activation for signal analysis. Practical usage scenarios include monitoring charging progress during power-intensive activities, identifying optimal locations for extended device use, and tracking battery health trends over time. The interface maintains functional simplicity despite the data density, though some users might require initial orientation to interpret all available metrics. Without available user reviews for specific analysis, the application's 4.09 rating suggests generally positive reception with room for refinement. Typical user feedback for similar battery monitoring applications often highlights appreciation for detailed metrics while occasionally noting concerns about background resource usage or data accuracy. The absence of recent detailed reviews prevents specific commentary on current user satisfaction trends or particular pain points that might have emerged through widespread usage. The application demonstrates clear strengths in its comprehensive battery monitoring capabilities and innovative signal mapping feature, providing tangible value for users seeking to optimize device battery life. Limitations may include potential battery consumption from continuous monitoring and the specialized nature of signal mapping that may not appeal to casual users. Ideal use cases involve power users, frequent travelers, and individuals in areas with variable cellular coverage who require detailed battery analytics and signal optimization tools.