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S$1.45
Battery charging anti-reverse protection board Ideal diode Reverse polarity protection module 4A current Common ground
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Est. delivery by May 3 - May 12
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Product description
Product Overview: Usually use diodes for battery charging to prevent reverse power polarity protection, but the DC voltage drop are more than 0.5V, and even up to 1V, bringing a lot of heat, but also reduces the efficiency of the power supply. This board uses a low RDS (on) MOSFET, in the rated current range, the voltage drop of 0.2V, which is conducive to improving the efficiency of the power supply, improve the reliability of battery charging and safety. This board in the output connected to the normal battery polarity, the input connected to the right polarity normal charging, the input connected to the wrong polarity is not charging.
Product parameters: input voltage: DC3-30V, input voltage within this range
Output voltage: about equal to the input voltage, voltage drop assorted 0.2V
Output current: 4A(max), peak current max 6A.
Note: The battery needs to be connected to the reverse protection board first, the polarity can not be connected wrong. This board in the case of the output connected to the battery polarity, the input connected to the polarity of the normal charging, the input connected to the wrong polarity is not charging.
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