Different construction. Different voltage characteristics. That's what will eat batteries resting in parallel.
No matter how it is expressed they are all six cell systems. Some are paralleled, others no.
Imagine me. One 3-1/2 digit fluorescent display. A 12 pole rotary break before make switch. Sip of coffee, click. Another sip of coffee, click. Lazy engineer's way to wake up. Click, click, click...
Dangit! Where did I see that 5-amp 30 volt power supply? I lost the url. I posted it here on this forum....
