Nut for (LiFePO4) 4mm (5 Pack)
Nut for LiFePO4 4mm
These 4mm nuts are used to connect the LiFePO4 batteries to each other to make a firm connection. When these nuts are used in combination with out spring washers on the terminals, you should have a firm connection which will protect your external circuitry from any voltage spikes that may occur when there are loose connections.