options to power einstein unit

Paul c buff has the new vagabond out but I am wondering if there are other options to power my einstein.

This may very well be a stupid question, but my friend has a video company and she bough camping batteries to hook to her truck to power her continuous lights (she works with the auto industry anyway) and she said it works fine and was a lot cheaper. But I'm not sure that's an option with a flash unit?

Any input? Other options?

You really want to stick to the vagabond mini or the new one for your bees. They are pretty particular about the quality of power they need. They need pure sine wave power. Lots of inverters clip the sine wave of the ac power and that can harm your bees. The way the strobes draw power is completely different than continuous lights. There are some home built solutions that use pure sine wave invertors but they always tend to be as expensive as, and less elegant, than the PCB product. If you want more power than the mini you can see if you can find someone selling a vagabond II. But they are pretty hefty and use a sealed lead acid battery so you need to keep them charged when not in use.

It's kind of an option for a flash unit. The Vagabond Mini Lithium can actually be hooked up to a car battery to provide additional power if needed. You just need to make a set of clips for it. The Vagabond Mini is basically just a pure sine wave inverter with a large lithium battery and that's it. Depending on how long you'll be shooting for and what power levels you need, the VML lasts quite a long time. I don't see the need for me to buy the new Vagabond Extreme for my shooting.