BMS 2S 3A 7.4V Lithium Battery Charger Protection Module provides overcharge, over-discharge, and short-circuit protection for 2-cell lithium batteries.
Features:
- High-accuracy voltage detection circuit
- Terminal of the charger using high voltage device
- Built-in three-stage over-current detection circuit (over-current 1, over-current 2, or load short circuit)
- MOS transistor can control the battery charge and discharge
- Low standby current consumption.
Protections:
- Short circuit protection.
- Overcharge protection.
- Over-discharge protection.
- Over-current protection.
Specifications:
- Overcharge Detection Voltage: 4.25-4.35V±0.05V
- Over-Discharge Detection Voltage: 2.5-3.0V±0.05V
- Max continuous current: 3A
- Max peak current: 5A
- Working temperature:-40°C—+50°C
- Storage Temperature:-40°C– +80°C
- Small current: less than 5uA
- Life cycle: more than 50000hours
- Resistance: Less than 300mΩ
- Size: 38x8x2mm
Connections:
- B+ B-: The interface of the battery core
- P+ P-: The connector of the battery board
- BM: The connection point between the batteries
- B+: Battery V+ Positive
- B-: Battery V- Negative
- P+: Output / Charging V+
- P-: Output / Charging V-
Applications:
- Battery pack
- Power supply
- Power bank and charger
