<div class="detailmodule_dynamic"><kse:widget data-widget-type="customText" id="1005000004119628" type="relation"></kse:widget></div><div class="detailmodule_html"><div class="detail-desc-decorate-richtext"><div><br/><span style="font-size:20px"><strong>Features:</strong></span><br/>1.This product uses 5 dedicated lithium-ion battery ICs as processors to detect real-time information such as voltage, charging and discharging current, and environmental temperature of each battery,<br/>2.Implement overcurrent protection functions for overcharging, discharging, and discharging batteries;<br/>3.It has protection functions such as short circuit, charging overcurrent, temperature protection, etc;<br/>4.The board has good quality and is equipped with thick copper hardware terminals, making it durable;<br/>5.It does not generate heat after long time use, and is commonly used for battery pack of lithium Angle grinder of Makita model.</div><div><br/></div><p><span style="font-size:20px"><strong>Parameters:</strong></span><br/>Charging voltage: 19/21V<br/>Single charging voltage: 3.8/4.25V<br/>Continuous discharge current: 8-30A<br/>Overcharge single section detection voltage: 3.85-4.25V<br/>Overcharge protection delay: 1s<br/>Overcharge single section recovery voltage: 3.75-4.13V<br/>Overcharge protection release delay: 1mS<br/>Overdischarge single section detection voltage: 2-2.8V<br/>Overdischarge protection delay: 1s<br/>Overdischarge single section recovery voltage: 2.5-3.0V<br/>Overdischarge protection release delay: 100 ± 20mS<br/>Overcurrent detection voltage: 0.1-0.4V<br/>Overcurrent detection current: 80 ± 5A<br/>Overcurrent detection delay: 1s<br/>Recovery status: automatic recovery<br/>With or without short-circuit protection: Yes<br/>Short circuit detection delay: 250uS<br/>Short circuit release delay: 1 second<br/>Short circuit detection voltage: 0.8V<br/>Recovery status: Automatically recover after disconnecting the load<br/>Over temperature protection temperature: 70 ± 5 ℃<br/>Overtemperature recovery temperature: 55 ± 5 ℃<br/>Power consumption working state: 30 ± 5uA (25 ℃)<br/>Sleep state: 6uA (25 ℃)<br/>Internal resistance of the main discharge circuit: 30 ± 5m Ω<br/>Working temperature: -40 ℃ -85 ℃ Relative humidity ≤ 75%<br/>Storage temperature: -40 ℃ -125 ℃ Relative humidity ≤ 75%<br/>Size: length * width 82 * 46 (mm)</p><p><span style="font-size:20px"><strong>Package include:</strong></span><br/>1X protective board<br/><br/></p></div></div><p><br/></p>