Feature: 1. Adopting a 5 series lithium battery-dedicated IC as a processor. 2. Real-time detection of battery voltage, charge and discharge current, and ambient temperature. 3. Overcharge, overdischarge, discharge overcurrent, short circuit, charge overcurrent, temperature protection, etc. 4. High-quality electronic components ensure the stable and reliable performance of the lithium battery protection board. 5. Widely used on battery packs for power tools using 18650 lithium batteries. Specification: @font-face{ font-family:"Times New Roman"; } @font-face{ font-family:"宋体"; } @font-face{ font-family:"Calibri"; } p.MsoNormal{ mso-style-name:正文; mso-style-parent:""; margin:0pt; margin-bottom:.0001pt; mso-pagination:none; text-align:justify; text-justify:inter-ideograph; font-family:Calibri; mso-fareast-font-family:宋体; mso-bidi-font-family:'Times New Roman'; font-size:10.5000pt; mso-font-kerning:1.0000pt; } span.msoIns{ mso-style-name:""; text-decoration:underline; text-underline:single; color:blue; } span.msoDel{ mso-style-name:""; text-decoration:line-through; color:red; } table.MsoNormalTable{ mso-style-name:普通表格; mso-style-parent:""; mso-style-noshow:yes; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-padding-alt:0.0000pt 5.4000pt 0.0000pt 5.4000pt; mso-para-margin:0pt; mso-para-margin-bottom:.0001pt; mso-pagination:widow-orphan; font-family:'Times New Roman'; font-size:10.0000pt; mso-ansi-language:#0400; mso-fareast-language:#0400; mso-bidi-language:#0400; } table.MsoTableGrid{ mso-style-name:网格型; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-padding-alt:0.0000pt 5.4000pt 0.0000pt 5.4000pt; mso-border-top-alt:0.5000pt solid windowtext; mso-border-left-alt:0.5000pt solid windowtext; mso-border-bottom-alt:0.5000pt solid windowtext; mso-border-right-alt:0.5000pt solid windowtext; mso-border-insideh:0.5000pt solid windowtext; mso-border-insidev:0.5000pt solid windowtext; mso-para-margin:0pt; mso-para-margin-bottom:.0001pt; mso-pagination:none; text-align:justify; text-justify:inter-ideograph; font-family:'Times New Roman'; font-size:10.0000pt; mso-ansi-language:#0400; mso-fareast-language:#0400; mso-bidi-language:#0400; } @page{mso-page-border-surround-header:no; mso-page-border-surround-footer:no;}@page Section0{ } div.Section0{page:Section0;}Item Type Lithium Battery Protection BoardModelXL-MH99V5 2（or MH99V51-S）Number of Series5 SeriesVoltageCharging Voltage21V Single Charge Voltage4.225VCurrentContinuous Discharge Current8-20AOvercharge ProtectionOvercharged Single Section Detection Voltage4.225VOvercharge Protection Delay1SOvercharged Single Section Recovery Voltage4.125VOvercharge Protection Release Delay1mSOverdischarge ProtectionOver-Discharge Single-Section Detection Voltage2.7VOver-Discharge Protection Delay1SOver-Discharge Single-Section Recovery Voltage3VOver-Discharge Protection Release Delay1SOvercurrent ProtectionOvercurrent Detection Voltage0.1-0.2VOvercurrent Detection Current30±5AOvercurrent Detection Delay1SRecovery StatusAutomatic RecoveryShort Circuit ProtectionWith Or Without Short Circuit ProtectionWith Short Circuit ProtectionShort Circuit Detection Delay250uSShort Circuit Release Delay1SShort Circuit Detection Voltage0.5VRecovery StatusAutomatic Recovery After Disconnecting LoadTemperature ProtectionOver Temperature Protection Temperature70±5℃Over Temperature Recovery Temperature55±5℃Power ConsumptionWorking Status25uA (25℃)Dormant State6uA(25℃)Internal ResistanceDischarge Loop Internal Resistance30±5mΩSizeLength x WidthApprox. 80 x 63.5mm / 3.1 x 2.5inTemperature protectionWorking temperature -40°C-85°C Relative humidity≤75%Storage temperature-40°C-125°C Relative humidity≤75% Package List: 1 x Lithium Battery Protection Board