10pcs DC-DC Step-up Boost Module Multimeter Refitted 18650 Lithium

Brand Name : Voktta Origin : Mainland China 10pcs DC-DC Step-up Boost Module Multimeter Refitted 18650 Lithium Battery Charge Boost Discharge Integrated Adjustable Module Product features: 1. Ultra-thin and ultra-mini design, small half-hole screw hole, selected materials 2. Super small lithium battery charging boost module with excellent performance 3. With step-up output voltage adjustable 4. Constant current, constant voltage charging, with over-temperature protection 5. Dual output of charging status, no battery and fault status display Product characteristics and parameters Working temperature - 40~80 Input voltage range 4.2V~6.5V Output voltage 4.2V-28V adjustable Maximum power 5W 0V activation, 2.9V trickle charging Up to 1A programmable linear charging current For single 3.7V lithium battery, fully charged with 4.2V Constant current/constant voltage charging, with over-temperature protection Soft start limit surge current, with battery reverse connection protection Low power standby, extended battery life Dual output of charging status, no battery and fault status display Description of charging indicator: --The module can roughly judge the working status through two LEDs, CHRG is red, STDBY is blue. --The red light of battery charging status is bright, the blue light is not bright, the blue light is full, and the red light is slightly bright. --If there is a boost output, it will be different according to the output power. It is possible that the red light will always be on during charging. When the load is not connected, the blue light will be on, and the red light will be on slightly. Instructions: The module supports type-c interface input and solder