Sheet1 Page 1 Battery Capacity Tests S1 – S4: Samsung INR18650

Sheet1 Page 1 Battery Capacity Tests S1 – S4: Samsung INR18650
Sheet1
Battery Capacity Tests
S1 – S4: Samsung INR18650-29E, 7s9p
S5, S6: Samsung INR18650-29E, 7s12p
Battery charged to BMS charge cutoff, 4.2v for highest cell
Discharged into resistive load at 12-18 Amps to BMS cutoff, 2.75v for lowest cell
Battery
S1
S2
S3
S4
S5
S6
Date of Test
March 2014
January 2015
January 2016
January 2017
March 2014
January 2015
January 2016
January 2017
March 2014
January 2015
January 2016
January 2017
March 2014
January 2015
January 2016
January 2017
March 2014
January 2015
January 2016
January 2017
March 2014
January 2015
January 2016
January 2017
Ah
25.87
23.72
23.36
23.86
26.16
24.02
23.77
24.29
25.88
23.67
22.98
23.71
26.03
23.53
23.55
24.74
34.02
32.29
32.30
32.15
33.88
32.40
32.18
33.37
% reduction
from new
8.31%
9.71%
7.77%
8.15%
9.11%
7.13%
8.54%
11.21%
8.41%
9.60%
9.52%
4.97%
5.09%
5.07%
5.51%
4.35%
5.02%
1.48%
Page 1
Wh
642.0
582.6
570.4
586.1
650.0
589.4
580.2
596.2
642.0
582.0
559.8
579.7
646.2
575.1
571.0
605.5
849.4
796.8
795.6
789.0
844.8
802.8
792.3
815.9
% reduction
from new
9.25%
11.15%
8.71%
9.32%
10.74%
8.28%
9.35%
12.80%
9.70%
11.00%
11.64%
6.30%
6.19%
6.33%
7.11%
4.97%
6.21%
3.42%
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