ORIGINAL: {GBI}Harryball
#3 in your set of pics. Its a bit cumbersum, but seems to last a long time. The other thing is you can replace the batteries in the unit.
Thats true Tony. But i have had that Battery for about 7 months and its still kicking.. LOL...
i use that one for when im next to my tool box. but other then that i use the himoto one all the time......