Description
Features:The protection board is for 7 series 18650 li-ion 3.6V/3.7V batteriesle various protective functions for charging and discharging, such as accurate overcharge protection, over-discharge protection, over current protection and short circuit protectioneries core hardware balanced processing, proper balanced current, reasonable balanced heat emitting, does not affect performance of battery pack has aluminum sheet that would enhance heat dissipation for MOS tube, and extend the service life of MOS tube quiescent power consumption, it can save energyification:Minimum Typical Maximum Unit NoteWorking Voltage 19.6 29.75 V Circuit normall working rangeQuiescent Current 20 50 μA Single battery voltage 3.6VOperating Temperature -20 +70 ℃ Normall operating temperature rangeRelative Humidity 90% No condensationStorage Temperature -40 +85 ℃ Humidity is less than 90%, no condensationAltitude 4000 M Charging Voltage 29.75 V CC-CVFunction Test Item Symbol Test Condition Minimum Typical Maximum UnitOver Charge Protection Voltage Vc1 At charge off 4.200 4.250 4.300 VDelay Time Tc1 / 10 1000 1700 mSRelieve Voltage Vc2 / 4.150 4.190 4.240 VCharging Current Normal Ioc / 20 ABalancing Function Start Voltage / 4.150 4.200 4.250 VBalancing Current / 20 35 mAOver Discharge Protection Voltage Vd1 At discharge off 2.700 2.800 2.900 VDelay Time Td1 / 10 200 500 mSRelieve Voltage Vd2 / 2.900 3.000 3.100 VRecovery Condition / / Disconnecting loadOver Current Portecion Over Current 1 Protection Current Ioc1 60 100 AOver Current 1 Protection Delay Time Toc1 20 200 mSDischarge Over Current Relieving Over Current Protecion Recovery Condition / / Disconnecting loadDischarge Current Max. Continuous Dischar