<div class="detailmodule_html"><div class="detail-desc-decorate-richtext"><br /><div class="detailmodule_dynamic"></div></div></div> <div class="detailmodule_dynamic"><kse:widget data-widget-type="relatedProduct" id="1005000004119628" title="" type="relation"></kse:widget></div> <div class="detailmodule_html"><div class="detail-desc-decorate-richtext"></div> <div><strong><br />Product features:</strong></div> <div>&nbsp;</div> <div><strong>1. The module's built-in battery balancing function</strong></div> <div>&nbsp;</div> <div><strong>2. Automatically adjust the charging voltage to improve efficiency</strong></div> <div>&nbsp;</div> <div><strong>3. Input overvoltage and undervoltage protection</strong></div> <div>&nbsp;</div> <div><strong>4. Adjustable charging timeout protection</strong></div> <div>&nbsp;</div> <div><strong>5. Output overcurrent, overvoltage, and short-circuit protection</strong></div> <div>&nbsp;</div> <div>&nbsp;</div> <div>&nbsp;</div> <div><strong>Product parameters:</strong></div> <div>&nbsp;</div> <div><strong>2/3S lithium battery pack charging board with balancing function</strong></div> <div>&nbsp;</div> <div><strong>Support QC fast charging</strong></div> <div>&nbsp;</div> <div><strong>15W synchronous switch boost charging boost</strong></div> <div>&nbsp;</div> <div><strong>Charging efficiency 94%</strong></div> <div>&nbsp;</div> <div><strong>Can set 2 or 3 strings of lithium batteries for charging</strong></div> <div>&nbsp;</div> <div><strong>2 strings with balanced charging</strong></div> <div>&nbsp;</div> <div><strong>Adjustable charging current</strong></div> <div>&nbsp;</div> <div><strong>Size (approximately): 3.2 * 1.8 * 0.5cm</strong></div> <div>&nbsp;</div> <div><strong>LED indicator light:</strong></div> <div>&nbsp;</div> <div><strong>The normal red light is always on;</strong></div> <div>&nbsp;</div> <div><strong>The blue light is on during the charging process;</strong></div> <div>&nbsp;</div> <div><strong>After fully charged, the blue light will turn off;</strong></div> <div>&nbsp;</div> <div><strong>After detecting an abnormality, the blue light flashes.</strong></div> <div>&nbsp;</div> <div>&nbsp;</div> <div>&nbsp;</div> <div><strong>Product Description:</strong></div> <div>&nbsp;</div> <div><strong>The module is suitable for 3.7V lithium batteries of two S or three S, with a short circuit setting and a default of two strings. When two strings are used, the module's built-in battery balancing function can be used, which is very practical. The input can be connected to a type-c port and a soldering wire. When the type-c port is connected to a fast charging power supply, the charging voltage is automatically adjusted to improve efficiency. If the input voltage is lower than the battery voltage when the soldering wire is input, the module can only work in a boost state.</strong></div> <div>&nbsp;</div> <div><strong>◆ Input: Optional Type-C port or wire input. Type-C can be connected to QC fast charging to automatically adjust the charging voltage and improve charging efficiency. If wire input is used, the input power supply should be less than the battery voltage (number of batteries in series * battery voltage).</strong></div> <div>&nbsp;</div> <div><strong>Output: Supports 2 and 3 strings. The battery requires a protective board. The default is 2 strings. When changing to 3 strings, the short-circuit contact needs to be short circuited, and then the adjacent resistor needs to be removed. When using two strings, the balancing function can be used, and the two strings of batteries are connected to the BM pin in between (this balancing speed is limited, so it is still important to ensure that the parameters of the two strings of batteries are consistent when using).</strong></div> <div>&nbsp;</div> <div><strong>◆ Current setting: The green arrow in the above figure indicates that the default current settings for two parallel currents are 100K (0.9A) and 180K (0.5A). Resistors can be removed or replaced according to one's own needs. The calculation formula is current=90000/resistance.</strong></div> <div>&nbsp;</div> <div><strong>The cut-off voltage setting for battery charging is 4.2V by default for a single string, which is also the same value for general batteries and does not need to be changed. If you need to make changes, simply refer to the RVSET settings table to set the VSET resistance on the board.</strong></div> <div>&nbsp;</div> <div><strong>◆ Charging timeout setting, default no timeout, set ROT resistance value to set. 68K-4 hours, 120K-12 hours, non stick for 24 hours.</strong></div> <div>&nbsp;</div> <div><strong>◆ NTC connection: Not in use normally. If necessary, change the resistance of the NTC resistor to 82K, NTC soldering point and adjacent GND are connected to a 100K thermistor (B=4100).</strong></div> <div>&nbsp;</div> <div><strong>Attention: There is no need to set up too many modules for normal use, just choose 2 or 3 charging options as needed Unless you use a special, familiar application.</strong></div> <div>&nbsp;</div> <div>&nbsp;</div> <div>&nbsp;</div> <div><strong>Product List:</strong></div> <div>&nbsp;</div> <div><strong>Charging module X1</strong> <br /> </div> <p>&nbsp;</p></div></div>