Anmbest 5PCS 2S 7.4V 8.4V 8A 18650 Charger PCB BMS Protection Board for Li-ion Lithium Battery Cell

2S 8A Li-ion Lithium Battery 7.4V 8.4V 18650 Charger Protection Board Module is a small PCB mounted Li-ion Lithium Battery charger protection module. This small and smart battery charger protection module comes with the various features like Short circuit protection, Overcharge protection, Over-discharge protection, Overcurrent protection. It is very easy to install and convenient to use in all your DIY portable projects. Specifications: Charging Voltage: 8.4V-9V Overcharge Voltage Range: 4.25V-4.35V plus or minus 0.05V Overpressure Voltage Range: 2.3V-3.0V plus or minus 0.05V Upper Limit Operating Current: 8A Upper Limit Instantaneous Current: 16A Quiescent Current: less than 10uA Internal Resistance: less than 300m? Effective Life: more than 50,000 hours Operating Temperature: -40- +50 Celsius Storage Conditions: -40- +80 Celsius Short circuit protection: Can be protected, charge recovery required Size: 41mm x 8mm x 2.2mm/ 1.61? ×0.31?×0.09?(L x W x H) Attention: Strictly according to the diagram wiring: B+: Battery V+ Positive, B-: Battery V- Negative, P+: Output / Charging V+, P-: Output / Charging V-, MB: The connection point between the batteries.Otherwise it will cause damage to the chip. Do not mix the good battery and poor battery to use. The internal resistance of 3 battery capacity are closer will be better. Package inlcuded: 5x 2S lithium Battery Protection Board