BMS Lithium Battery Protection Module 2S 3A 7.4V

From the shop's description

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