I parted a 2.56 kWh secondary-battery system at $773.66 for my business' self-driving computer product, but it's not one complete unit or as sophisticated as th

I parted a 2.56 kWh secondary-battery system at $773.66 for my business' self-driving computer product, but it's not one complete unit or as sophisticated as this product. It seems like a decent price for what you're getting. Especially in terms of space consumed.