8.4V 2 string 7.4V lithium battery protection board overcharge and over-discharge protection Maximum operating current 5A 7A limit

Features: The main IC imported components. With over charge, over discharge, over current, short circuit protection, suitable for various shapes of 3.7V lithium battery capacity. Well-designed, fine workmanship, comprehensive testing. Small size, suitable for highly integrated, low-cost requirements of a variety of occasions, to meet a wide range of performance requirements, to ensure absolute safety battery pack. The main function: Overcharge protection, over discharge protection, short circuit protection, overcurrent protection. Technical Parameters: Overcharge detection voltage: 4.25-4.35V ± 0.05V Over discharge detection voltage: 2.5-3.0V ± 0.05V Maximum operating current: 5A Transient current: 7A Quiescent current: less than 5uA Internal resistance: <300mΩ Short circuit protection: can be protected, need to charge recovery. Effective life: 50,000 hours or more Operating temperature: -40-50 ℃ Size: 38x 8x2.5mm Connection instructions: B + B-: connect the battery P + P-: Connect the charge / discharge terminal MB: battery connection point B +: Battery V + Positive B-: Battery V- Negative P +: Output / Charge V + P-: Output / Charge V-