E T X S E R I E S L I T H I U M B A T T E R I E S
14
ETX1200 Discharge Time
Discharge Versus Temperature
We use a similar Cold Cranking Amp test standard as the lead acid battery manufacturers
(SAE test performed at 0°F, but 3 second discharge time vs 30 second). As such, our
battery with a similar CCA rating as a lead acid battery should provide the same cranking
performance at 0°F. But, below 0°F an equivalent lead acid battery will outperform a
lithium battery (see the graph below).
10
11
12
13
14
15
0
20
40
60
80
100 120 140 160 180 200 220 240 260
V
olt
s
Time (Minutes)
6.2A (.25C)
12.4A (.5C)
18.6A (.75C)
0
20
40
60
80
100
-40
-30
-20
-10
0
10
20
30
40
%
o
f Peak
C
ran
ki
n
g Am
p
s
Temp Deg C
Cranking Amps vs Temp
Lithium
Lead Acid
