3 Series 20A 18650 Lithium Battery Protection Board 11.1V 12V 12.6V
Description:
The 3 Series 20A 18650 Lithium Battery Protection Board is an essential component for managing and safeguarding lithium battery packs used in various applications. Here's a description:
This protection board is designed specifically for 3-series lithium-ion battery packs, which typically consist of three 18650 cells connected in series. It provides vital functions to ensure the safe and efficient operation of the battery pack.
Key features include:
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Overcharge Protection: The board monitors the voltage of each cell in the battery pack and prevents overcharging by cutting off the charging current when the voltage exceeds a safe threshold, typically around 4.2 volts per cell.
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Over-discharge Protection: It also prevents over-discharging of the battery cells by cutting off the discharge current when the voltage drops below a certain level, typically around 2.5-3.0 volts per cell. This helps prolong the lifespan of the batteries and prevents damage.
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Overcurrent Protection: The protection board is capable of limiting the discharge current to a safe level, protecting the battery pack and connected devices from damage caused by excessive current draw.
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Short Circuit Protection: In the event of a short circuit, the protection board will quickly disconnect the battery pack from the circuit to prevent overheating and potential fire hazards.
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Balance Charging: Some models of protection boards also feature balance charging functionality, which ensures that each cell in the battery pack is charged to the same voltage level, maximizing the overall capacity and longevity of the pack.
Overall, the 3 Series 20A 18650 Lithium Battery Protection Board is a crucial component for building safe and reliable lithium-ion battery packs, commonly used in applications such as electric vehicles, portable electronics, a
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