1-10 Mini Lithium-ion Battery Charging Board 37V/42V 18650 Keyboard Charging Power Board Protection Type-C Input Module

1-10 Mini Lithium-ion Battery Charging Board 37V 42V 18650 Keyboard Charging Power Board with Protected Type-C Input Module 1-10 Mini Lithium-ion Battery Charging Board 37V 42V 18650 Keyboard Charging Power Board with Protected Type-C Input Module Product Features: 1. Ultra-compact design, easy to integrate into smart wearable devices, micro drones, and other compact spaces. 2. Constant current/constant voltage charging mode ensures maximum charging speed and avoids overheating risk. 3. Supports automatic charging function to always keep the lithium battery in optimal condition. 4. Precise charging voltage 4.2V (±1%) ensures battery safety and extends battery life. 5. 2.8V threshold charging effectively protects low-charge batteries and restores them to a healthy state. Parameters: Product Name: Mini Lithium-ion Battery Charging Module Charging Current: 600 mA Charging Voltage: DC 4.2V (±1% accuracy) Threshold Charging: 2.8V Features: 1. Constant current/constant voltage charging mode with temperature regulation to ensure maximum charging speed while preventing overheating. 2. Charging current monitoring output, supporting power monitoring. 3. Monitoring output. 4. Automatic charging function. Dimensions: 10 x 7.5 x 5.2 mm Description: Ultra-compact design. This 3.7V lithium-ion battery charging board features an ultra-compact design, making it easy to install in space-constrained locations. It is suitable for smart wearable devices, micro drones, IoT devices, electric mosquito swatters, etc., and can even be inserted directly into the space of a regular charging cable. Simply connect the positive and negative terminals of the lithium battery to use. Minimalist design, ultimate performance, maximizing the value of every inch of space, injecting the soul of efficient battery life into innovative technology products. Package List: Module x1