Quality Control of Lead-Acid Battery according to Its Condition Test for UPS Supplier and Manufacturers

Table 5

Battery state, internal resistance, and discharge voltage.

Variable	Coefficient estimates	Standard deviation	-value	value	Significant	-square
Constant	86.9502	14.9149	5.83	<0.0001	1%	0.7507
DV	−6.5462	1.1146	−5.87	<0.0001	1%
	−0.7881	0.2002	−3.94	0.0002	1%