Part Number	S-8211E Datasheet
Manufacturer	Seiko Instruments
Overview	Negative power supply input pin for CO pin Input pin for positive power supply Input pin for negative power supply Output pin for overdischarge detection (CMOS output) Output pin for overcharge detect. (1) High-accuracy voltage detection circuit * Overcharge detection voltage 3.6 V to 4.5 V (5 mV step) Accuracy ±25 mV (+25°C) * Overcharge release voltage 3.5 V to 4.4 V*1 Accuracy ±30 mV ( *5°C to +55°C) Accuracy ±50 mV * Overdischarge detection voltage * Overdischarge release voltage 2.0 V.