Li?ion Battery Charger Module, DDTCCRUB 3S?4A Boost Charging Board, Electronic Component, with Strong Adaptability and Stable Performance

Feature: 1. Switching frequency up to 1MHz, compensating for voltage loss in quasi?CV mode. 2. Automatic charging of battery internal resistance and tracking resistance. 3. Protect the battery voltage from lower than the input voltage and battery short circuit, strong adaptability to the input power, limited drive capacity, over?voltage protection battery. 4. Made of high?quality materials, strong and durable, has a long service life. 5. Small size, easy to carry and store, convenient to use and with good performance. Specification: Item Type: Li-ion Battery Charger Module 3 Sections (3S) 12.6V Version: Input Voltage: DC 3- 6V (recommended DC 3.7V 5V) Input Current: 4A (4A version) Charging Voltage: 12.6V Charging Current: 1.48A (4A version) Package List: 1 x Li-ion Battery Charger Module