Lithium Battery Charger Protection Module (BMS) 4S 20A 16.8V

Features:

• High-accuracy voltage detection circuit
• Terminal of the charger using high voltage device
• Built-in three-stage over-current detection circuit
• Can control the battery charge and over-discharge
• Low standby current consumption
• Small size
• Simple writing, circuit connection, and installation

Specifications:

• Overcharge voltage range: 4.25V-4.35V±0.05V
• Over discharge voltage range: 2.3V-3.0V±0.05V
• Charging voltage: 16.8V to 17V
• Upper limit working current: 10A
• Upper limit instantaneous current: 20A
• Quiescent current: <30µA
• Internal resistance: 45mΩ
• Operating temperature range: -50℃ to +50℃
• Storage temperature range: -50℃ to +80℃