2S 3A Li-ion Lithium Battery 7.4V 8.4V 18650 Charger Protection Board Module
Description:
The 2S 3A Li-ion Lithium Battery Charger Protection Board Module is a compact circuit board designed to facilitate the safe and efficient charging of 2-series lithium-ion battery packs. Here's a breakdown of its features:
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Series Configuration: This protection board is tailored for use with 2-series lithium-ion battery packs, meaning it's engineered to handle the charging and protection of two 18650 cells connected in series.
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Charging Functionality: The module provides charging capabilities for lithium-ion battery packs with a nominal voltage of 7.4V (when discharged) and a maximum charged voltage of 8.4V (when fully charged). It's compatible with standard lithium-ion battery charging protocols and can safely recharge the connected battery pack.
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Current Limiting: The board is equipped with current limiting functionality, allowing it to regulate the charging current to a maximum of 3A. This helps prevent excessive current flow during the charging process, safeguarding the battery pack and charger from potential damage due to overcurrent conditions.
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Protection Mechanisms: The module integrates multiple protection mechanisms to ensure the safety and longevity of the battery pack. This includes overcharge protection, which prevents the battery from being charged beyond its safe voltage limit, typically around 4.2V per cell. It also includes over-discharge protection, which cuts off the discharge current when the voltage of any cell drops below a certain threshold, typically around 2.5-3.0 volts per cell.
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Temperature Monitoring: Some variants of the protection board may feature temperature monitoring capabilities. This allows the module to detect and respond to temperature variations during charging, helping to prevent overheating and ensuring safe operation.
Overall, the 2S 3A Li-ion Lithium Battery Charger Protection Board Module is an essential component for building safe and reliable charging systems for 2-series lithium-ion battery packs. It provides comprehensive protection and regulation features, making it suitable for a wide range of applications, including portable electronics, DIY projects, and battery-powered devices.
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