[Tom Line]

Inverter and battery.

In the meantime, get another laptop with all the software ready.

Laptop battery issues can be a nightmare. I've junked 3 laptops that refused to charge even after having new batteries installed. It can be software, hardware, or even the bios in some cases that will not charge the battery if it isn't OEM. The Acer E11 batteries are very uncommon and are quite expensive.

FRC seriously needs to get Dell to sponsor us. The laptops may not be the greatest in the world, but they are plentiful and cheap and spare parts can usually be found quite quickly.