Features: Power Dtype is specifically for 6V~24V solar panels, supporting custom input via DC002 or screw terminals, with multiple LED indicators for input protection. 3.7V rechargeable lithium batteries can be charged via solar panels or Type-C connectors, providing a 5V/3A regulated output (supporting multiple protocols like PD/SFCP). This module features Power Point Tracking and multiple protection circuits for efficient, stable, and safe operation. Ideal for monitoring solar panel and battery status, suitable for low-power IoT solar energy projects and environmental projects. Supports most Power Point Tracking functions to maximize solar panel efficiency. Supports solar panel. Multiple protection circuits: overcharge/over-discharge/overheating/overcurrent, ensuring stable and safe use. Note: Excludes RPi4b and solar panels; excludes 18650 batteries. Specifications: For 6V~24V Solar Panel Dtype Supports solar panel / Type-C power Provides: 5V/3A regulated output (supports multiple protocols like PD/SFCP) Types: Single board / Single board + case Note: Due to lighting effects and shooting angles, there may be some tolerances in the product. Please understand. Please allow 0-1 cm error due to manual measurement. Package includes: 1 x Power control board