Practical design with a precision voltage control circuit that seamlessly identifies the system voltage to connect solar modules, batteries, and the charging policy for efficient energy distribution. Automatic voltage management: Automatically corrects charging and discharging voltages, with an optional timer for street lighting and selectable load modes to extend battery life. Data monitoring: Seamlessly logs total runtime, fault timer, and complete charging events to prevent data loss and provide clear visibility into system performance. Easy installation: Mount near the battery to minimize voltage drop and ensure accurate voltage assessment; displays status and data to enable straightforward parameter adjustments. Key benefits: - Improves energy distribution by aligning components with system voltage - Extends battery life through optimized charging/discharging profiles - Provides reliable data capture for performance tracking Applications and use scenarios: - Off-grid solar power systems for homes, cabins, or workshops - Street lighting installations with automatic timing and load control - Remote equipment or telecom cabinets that require reliable charging, monitoring, and data logging