Ultra-mini Charge Discharge Module 3.7V 18650 Lithium Battery Charging Protection Board Type-C Charge 4.2V 600mA Boost Converter

Product Features:1. Ultra-small size design, easily embedded in compact Spaces such as smart wearables and micro drones2. Constant current/constant voltage charging mode ensures maximum charging rate and avoids the risk of overheating3. It supports an automatic recharging function to keep the lithium battery always in the best condition4. Precise charging voltage of 4.2V (±1%) ensures battery safety and extends service life5. The trickle charging threshold is 2.8V, effectively protecting low-power batteries to return to a healthy stateProduct parameters:Product Name: Mini Lithium Battery Charging Pad ModuleCharging current: 600mACharging voltage: DC 4.2V (±1% accuracy)Trickle charging threshold: 2.8VDimensions: 107.55.2mmFunctional features:1. The constant current/constant voltage charging mode with thermal regulation function ensures the maximum charging rate while avoiding overheating2. Support for charging current monitoring output with battery level monitoring3. Automatic recharging functionDescription:Ultra-small ultimate design. This 3.7V lithium battery charging pad, with its ultra-small design, can be easily integrated into compact Spaces such as smart wearables, micro drones, iot devices, and electric mosquito swatters. It can even be directly inserted into the space of a regular charging cable. Connect the positive and negative terminals of the lithium battery and it can be used. Minimalist design and ultimate performance - make every inch of space realize its value and infuse creative technology products with the soul of efficient battery life.Shiping list: Mini lithium battery charging pad *1