4A Auto DC to DC voltage polarity exchange and reverse protection circuit-chNIU For Sale
This item has been shown 3 times.
4A Auto DC to DC voltage polarity exchange and reverse protection circuit-chNIU:
100% Brand New and High Quality
This DC DC Voltage polarity exchange circuit can auto supply correct +ve and -ve voltage when the batteries are connected in any orientation.
It will automatically switch to +ve and -ve.
It is good to protect charging or other modules. In charging modules, where reverse polarity will damage it, this PCB can 100% sure to supply correct polarity -ve/+ve. No need to care the batteries are connected wrongly.
Current: 4A, max 6A
1x Voltage Polarity Exchange and Reverse Protection circuit charge