Protection circuit Module (PCB) for 3.7V Li-Polymer Battery (8.5A limit)
pecificationOvercharge voltage threshold 	4.250 (0.05V)Overcharge Release threshold 	4.05 (0.050V)Overcharge Delay time 	0.73~1.35S Typ.: 1SOverdischarge Voltage threshold 	2.5 (0.080V)Overdischarge Release Threshold 	3.00 (0.100V)Overdischarge Delay Time 	68~138ms Typ.: 100msOver Current 	1~6A Typ.: 3AOvercurrent Delay time 	6.7 ~ 13.9ms Typ. : 10msImpedance 	<45mohm @ AC 1KHZPower Consumption a. Operation modeb. Sleep mode	Typ: 12uA Max 20uAMax 5uAElectrical Characteristics 	at RT=25Because of the very high energy density, Li-Ion Battery pack must be connected to a protection circuit module to prevent accidental battery explosion caused by over-charging or over-discahrging.