0-WHS-3 Multi-Pack Charging Harness for Three Packs <p><font color="00ff66" size="2" face="Arial, Helvetica, sans-serif">This 3-pack serial adapter cord with Deans-type connectors allows you to charge 3 batteries at the same time with Bantam e-stations. The 4mm banana plugs will plug directly into your Bantam charger and most other major brands. It can also be used to wire packs in series inside a vehicle. </font></p>