id="stamped-main-widget" class="stamped-main-widget" data-widget-style="standard" data-product-id="4514840641608" data-name="4S 30A 14.8V Li-ion Lithium 18650 Battery BMS" data-url="https://www.electromannsa.com/af/products/4s-30amp-18650-lithium-battery-charger-protection-board" data-image-url="//cdn.shopify.com/s/files/1/1030/0431/products/4S30A14.8vBMS.jpg1_large.jpg%3Fv=1610400307" data-description="<h2 class="product-title" style="text-align: center;"> <span data-text="4S 30A 14.8V Li-ion Lithium 18650 Battery BMS Packs PCB Protection Board Balance" class="product-title-text">4S 30A 14.8V Li-ion Lithium 18650 Battery BMS Packs PCB Protection Board Balance </span>(10002977)</h2> <p><span><strong>Specifications:</strong></span><br></p> <table cellspacing="1" cellpadding="1" border="1"> <tbody> <tr> <td><strong><span>Details</span></strong></td> <td><strong><span>Specification</span></strong></td> </tr> <tr> <td><span>Continuous discharge current</span></td> <td><span>30(MAX)A</span></td> </tr> <tr> <td><span>Instantaneous discharge current</span></td> <td><span>70A</span></td> </tr> <tr> <td> <div><span>Charging voltage</span></div> </td> <td><span>16.8V</span></td> </tr> <tr> <td><span>Charging current</span></td> <td><span>30(MAX)A</span></td> </tr> <tr> <td><span>Overcharge detection voltage</span></td> <td><span>4.28±0.05V</span></td> </tr> <tr> <td><span>Overcharge protection delay</span></td> <td><span>0.1S</span></td> </tr> <tr> <td><span>Overcharge release voltage</span></td> <td><span>4.08±0.01V</span></td> </tr> <tr> <td><span>Battery balance detection voltage</span></td> <td><span>4.2±0.025V</span></td> </tr> <tr> <td><span>Battery balance release voltage</span></td> <td><span>4.2±0.05V</span></td> </tr> <tr> <td><span>Electricity balance current</span></td> <td><span>60±5mA</span></td> </tr> <tr> <td><span>Over discharge detection voltage</span></td> <td><span>2.55±0.08V</span></td> </tr> <tr> <td><span>Over discharge detection delay</span></td> <td><span>0.1S</span></td> </tr> <tr> <td><span>Over discharge release voltage</span></td> <td><span>3.0±0.1V</span></td> </tr> <tr> <td><span>Overcurrent detection voltage</span></td> <td><span>150mV</span></td> </tr> <tr> <td><span>Overcurrent detection delay</span></td> <td><span>9mS</span></td> </tr> <tr> <td><span>Overcurrent protection current</span></td> <td><span>75±5A</span></td> </tr> <tr> <td><span>Overcurrent protection release condition</span></td> <td><span>Disconnect load</span></td> </tr> <tr> <td><span>Short circuit protection condition</span></td> <td><span>External load short circuit</span></td> </tr> <tr> <td><span>Short circuit detection delay</span></td> <td><span>250uS</span></td> </tr> <tr> <td><span>Short circuit protection release condition</span></td> <td><span>Disconnect the load switch</span></td> </tr> <tr> <td><span>Temperature protection</span></td> <td><span>/</span></td> </tr> <tr> <td><span>Main circuit conduction internal resistance</span></td> <td><span>≤15mΩ</span></td> </tr> <tr> <td> <div><span>Working current</span></div> </td> <td><span>≤30uA</span></td> </tr> <tr> <td><span>Sleep current (when the battery is over-discharged)</span></td> <td><span>≤10uA</span></td> </tr> <tr> <td> <div><span>Operating temperature</span></div> </td> <td><span>-30℃~+80℃</span></td> </tr> <tr> <td>Size</td> <td>45x56mm</td> </tr> </tbody> </table> <p><br><span><strong>Main function:</strong><br>Over charge protection, over discharge protection function, short circuit protection<br>function, over current protection function, band balance.<br><br><strong>Interface definition:</strong><br>Charging port of the plate and the discharge port is the same, both positive and B- connecting<br>battery"-", P- charging port and port on the negative electrode;<br>B-, N-, P- pads are all over the hole, the hole diameter of the pad is 3.5mm;<br>The battery charging detection interface with DC output in the form of needle. Do the same mouth<br>when the N- is not wiring.<br><br><strong>Package Contents:</strong><br>1 x 4S 30A 14.8V Li-ion Lithium 18650 Battery Protection board</span><br><span> </span><br><span><b> Note:</b></span><br><span>This is  New Version: MOS ultra-low internal resistance, alloy resistance is greater, and overcurrent capability is more enhanced.</span></p> <ul data-spm-anchor-id="a2g0o.detail.1000023.i2.8860106eQ1WDPE"> <li><span></span></li> </ul>" data-product-sku="4s-30amp-18650-lithium-battery-charger-protection-board">