5V Step-Up Power Module Lithium Battery Charging Protection Board

<p><span class=""a-list-item"">5V Step-Up Power Module Lithium Battery Charging Protection Board USB For DIY Charger 134N3P  Lithium Battery Charging Protection Board Boost Converter LED Display USB For DIY Charger 134N3P </span><span class=""a-list-item"">High-Quality USB iron with </span><span class=""a-list-item"">Cheap display port video card and </span><span class=""a-list-item"">Integrated Circuits.</span></p> <hr /> <h4><strong>Features:</strong></h4> <ol> <li>BAT Discharging Stop Voltage: 2.9V.</li> <li>Discharging Efficiency:85%(input 3.7V output 5V/1A).</li> <li>Charging and discharging indication.</li> <li>Internally installed charging and discharging power MOS.</li> <li>Preset 4.2V charging voltage, precision ±1%.</li> <li>Max 8uA standby current.</li> <li>Integration charging management and discharging management.</li> <li>Intelligent temperature control and overtemperature protection.</li> <li>Integration output overvoltage protection, short circuit protection, overload protection.</li> <li>Integration overcharging and over-discharging protection.</li> <li>Support trickle mode and zero voltage charging.</li> <li>When charging: red light flashing.</li> <li>Fully charged: Red light glows for a long time.</li> </ol> <hr /> <h4><strong>Package Includes:</strong></h4> <p>1 x 5V Step-Up Power Module Lithium Battery Charging Protection Board.</p>