| Main centres: | 1-3 business days |
| Regional areas: | 3-4 business days |
| Remote areas: | 3-5 business days |
4mm screws are used to connect the LiFePO4 batteries to each other or the connect wires to the terminals of these batteries. When these screws are used in combination with our spring washers, the connections are firm and there will not be any loose connections that can cause damage to external circuitry.