>>21289181300Ah = good
40lbs = good
$1200 = not so good
Also, I don't understand this comment on Amazon for the product?;
Q2: Can charge and discharge at the same time? What is the noice level of EFDELTA?
A: Yes. The Noice Level will be less than 50DB ( 2-meter distance ).
I'm assuming they mean "noise level" but why the hell would it make noise and up to 50db?