diymore | Mini 5S 21V Li-ion Battery Charge Board Temperature Protection Battery Charge Board Overload Protection 20A

Features:1.Adapt to 21V lithium battery pack, perfect match for lithium wrench and other power tools2.Continuous 8-20A continuous discharge, to meet the needs of high-power power tools3. Over-charge, over-discharge, short-circuit, over-current, temperature and other comprehensive protection, safer to use 4. -40 ℃ ~ 85 ℃ wide temperature work, shockproof and dustproof, adapt to the harsh environment5. Selection of high-quality materials, stable performance, quality assuranceParameter:Charging voltage: 21VSingle charging voltage: 4.225VContinuous discharge current: 8-20AOvercharge single detection voltage: 4.225VOvercharge protection delay time: 1SOvercharge single recovery voltage: 4.125VOver-charging protection lifting delay: 1msOver-discharge single-section detection voltage: 2.7VOver-discharge protection delay: 1SOver-discharge single-section recovery voltage: 3VOver-discharge protection release delay: 1SOver-current detection voltage: 0.1-0.2VOver-current detection current: 30±5AOver-current detection delay: 1SRecovery status: automatic recoveryShort circuit protection: YesShort-circuit detection delay: 250usShort-circuit release delay: 1SShort-circuit detection voltage: 0.5VRecovery status: automatic recovery after disconnecting the loadPackage include:1X module