Battery device for a battery jump starting device

1. A jump starting device, comprising:

a lithium ion rechargeable battery comprising multiple battery cells, the multiple battery cells being connected together in electrical series along a length of the lithium ion rechargeable battery, the multiple battery cells including a first tab located at a first end of the lithium ion rechargeable battery and extending outwardly from the first end of the lithium ion rechargeable battery and a second tab located at a second end of the lithium ion rechargeable battery and extending outwardly from the second end of the lithium ion rechargeable battery;

a first extension tab connected to the first tab at the first end of the lithium ion rechargeable battery;

a second extension tab connected to the second tab at the second end of the lithium ion rechargeable battery;

a terminal conductor bar electrically connected to the second extension tab at the second end of the lithium ion rechargeable battery, the second extension tab being wrapped around the terminal conductor bar; and

a first battery cable having an exposed electrical conductor end, the first extension tab being wrapped around the exposed electrical conductor end of the first battery cable.

2. The jump starting device of claim 1 , further comprising a second battery cable electrically connectable to the terminal conductor bar at the second end of the lithium ion rechargeable battery during a jump starting operation of the jump starting device.

3. The jump starting device of claim 2 , wherein the first tab is a positive tab and the second tab is a negative tab, wherein the terminal conductor bar is a negative terminal conductor bar, wherein the first battery cable is a positive battery cable, and wherein the second battery cable is a negative battery cable.

4. The jump starting device of claim 1 , wherein the multiple battery cells are folded over each other into a layered battery cell arrangement.

5. The jump starting device of claim 1 , wherein the terminal conductor bar extends along the second end of the lithium ion rechargeable battery and is oriented transversely relative to the length of the lithium ion rechargeable battery.

6. The jump starting device of claim 1 , wherein the exposed electrical conductor end of the first battery cable is welded or soldered to the first extension tab and the terminal conductor bar is soldered to the second tab.

7. The jump starting device of claim 1 , wherein the second extension tab includes a plurality of through holes.

8. The jump starting device of claim 1 , wherein the second extension tab wraps a plurality of times around the terminal conductor bar.

9. A jump starting device, the jump starting device comprising:

a first battery cable and a second battery cable;

a lithium ion rechargeable battery including multiple battery cells connected in electrical series and folded into a layered battery cell arrangement, the multiple battery cells including a first tab located at a first end of the lithium ion rechargeable battery and a second tab located at a second end of the lithium ion rechargeable battery;

a first extension tab connected to the first tab at the first end of the lithium ion rechargeable battery, the first extension tab being wrapped around an exposed conductor end of the first battery cable, the exposed conductor end being oriented transversely relative to a length of the lithium ion rechargeable battery;

a second extension tab connected to the second tab at the second end of the lithium ion rechargeable battery; and

a terminal conductor bar electrically connected to the second extension tab at the second end of the lithium ion rechargeable battery, the second extension tab wrapping around the terminal conductor bar, the second battery cable connectable to the terminal conductor bar during a jump starting operation of the jump starting device.

10. The jump starting device of claim 9 , wherein the first tab is a positive tab and the second tab is a negative tab, wherein the terminal conductor bar is a negative terminal conductor bar, wherein the first battery cable is a positive battery cable, and wherein the second battery cable is a negative battery cable.

11. The jump starting device of claim 9 , wherein at least a portion of a length of the terminal conductor bar is oriented transversely relative to the length of the layered battery cell arrangement.

12. The jump starting device of claim 11 , wherein the second extension tab includes a plurality of through holes.

13. The jump starting device of claim 9 , wherein the exposed electrical conductor end of the first battery cable is soldered to the first extension tab.

14. The jump starting device of claim 9 , further comprising a smart switch controller and a smart switch interface connected to and controlled by the smart switch controller.

15. The jump starting device of claim 14 , wherein the smart switch interface comprises a circuit board having a first circuit board conductor bar connected to the terminal conductor bar.

16. The jump starting device of claim 15 , further comprising a second circuit board conductor bar spaced apart from the first circuit board conductor bar on the circuit board.

17. The jump starting device of claim 16 , further comprising one or more relays connected between the first circuit board conductor bar and the second circuit board conductor bar, the one or more relays providing isolation between the second tab at the second end of the lithium ion rechargeable battery and a battery being jump started by the jump starting device.

18. A method of jump starting a battery comprising:

connecting a plurality of battery cells to each other in series, the plurality of battery cells forming a lithium ion rechargeable battery, the lithium ion rechargeable battery including a first end with a first tab and a second end with a second tab;

connecting a first extension tab to the first tab of the lithium ion rechargeable battery;

connecting a second extension tab to the second tab of the lithium ion rechargeable battery;

wrapping the first extension tab around an exposed electrical conductor end of a first battery cable;

wrapping the second extension tab around a terminal conductor bar;

connecting a second battery cable to the terminal conductor bar;

connecting the first battery cable to a first terminal of the battery and connecting the second battery cable to a second terminal of the battery; and

charging the battery with electrical power from the lithium ion rechargeable battery.

19. The method of claim 18 , wherein the first tab is a positive tab and the second tab is a negative tab, wherein the terminal conductor bar is a negative terminal conductor bar, wherein the first battery cable is a positive battery cable, and wherein the second battery cable is a negative battery cable.

20. The method of claim 18 , wherein the exposed electrical conductor end of the first battery cable is welded or soldered to the first extension tab and the terminal conductor bar is welded or soldered to the second tab.