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Figure 4: Comparison of Discharge Curves at 50 mW Continuous
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0
The impedance of Energizer Zinc Air Prismatic batteries is higher than similar volume Alkaline batteries,
and it decreases slightly through the life of the battery. The impedance should not impact battery
performance at low to moderate discharge rates. At higher rate discharges, this higher impedance will
reduce operating voltage and delivered energy.
1.4 ‐‐ Zinc Air Prismatic Battery Sizes
Energizer Zinc Air Prismatic batteries provide an ideal form factor for devices with a thin profile. The
family of battery sizes is shown in Figure 5, ranging from AAA Alkaline volume equivalent to ½ the AAAA
Alkaline volume equivalent. Energizer Zinc Air Prismatic battery nomenclature is determined by the IEC
standard. The first 'P' indicates Zinc Air chemistry, the second 'P' indicates the prismatic form factor,
the first two digits represent the diagonal in mm, and the last digit is the battery height in mm. For
example the PP355 has a 35 mm diagonal distance and a height of 5 mm.
Figure 5: Zinc Air Prismatic Battery Sizes
Length (mm)
Width (mm)
Thickness (mm)
3
Volume (cm
)
Cell Weight (g)
Continuous Rate Capability
Capacity Rated (mAh)
NiMH
AAA
Alkaline
Alkaline
AAA
AAAA
5
10
15
20
25
Discharge Time (hrs)
PP425
36.0
22.0
5.0
3.96
11.7
< 200 mW < 100 mW < 50 mW
3600
ENERGIZER BATTERY MANUFACTURING
VERSION 1.2
Zinc Air
PP355
Lithium
AAA
30
35
40
45
PP355
PP255
32.2
22.6
14.7
10.3
5.0
5.0
2.37
1.16
6.8
3.4
1800
720
P a g e
| 6
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