Have a machine in mind which is intended to be portable (hence weight and dimensions is a constraint), has a miniature refrigerant compressor (like those of Aspen) plus a blower of nominal wattage. Furthermore, the machine is desired to run on rechargeable batteries and give a backup of at least 8-10 hrs. Hence the primary power consuming thing is compressor itself. Following are the specs of intended compressor
Input: 12V or 24V or 48V (3 models)
Max. Current: 9.5A, 9.5A or 7A respectively
(Add-on info: Weight: Around 0.5KGs just)
Battery Backup required: 8-10 hrs continuous operation but will have compressor trip-outs in between.
Rechargeable Battery: Yes
Battery Cycles: At least 100 cycles will be good.
Desired cost: Off course minimum
Desired Weight: Max. 4-5 KGs??? or what's the minimum I can get?
I don't know much about batteries, this is my first encounter. Have read quite a lot on net and stack but wanted to have exact and precise information rather than my not-sure-calculations as the whole idea depends on this battery thing.
So considering the current world of batteries, is it even possible to have a practical battery solution for this scenario? Because weight of battery and size is the biggest constraint. It should not be so heavy or bulky that it renders the equipment non-portable. I assume that for very accurate answers, more information on compressor (like current drawn in its tripped condition, if it just slows down instead of stopping etc is required but considering the given data, you can suggest a direction at least and approximate answers)
What can be the optimum battery type which I should search for? Liquid, Gel, Dry or anything else? 12V or 24V? Please suggest any brand or model too if possible so that I can find the supplier and evaluate the cost. What should be the capacity? (I have figured out that it should be around 300Ah, on 400W load (assuming an FOS, correct me if I am utterly wrong.)