Battery Handbook

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ENERGIZERBATTERYMANUFACTURING
VERSION1.2
LowerTemperatureConditions:
Air holds les s moisture as temperature decreases, and the diffe rence between low  and high relative
humiditybecomeslesssignificant.At 0°C,thedifferencebetweenthehumidityof thePP355andthe
environment is negligible.While the service obtained from a PP355 at temperatures lower than
standard conditions is less, the
 loss is similar to Alkaline batteries.In general the “up to 3X” service
advantageforZincAirbatteriesoverAlkalinebatteriesismaintained.
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Figure9:ServiceSummaryforZincAirPrismaticBatteriesatVariousEnvironmentalConditions
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Humid
(35°C / 75% RH)
Typical
(21°C / 50% RH)
Arid
(35°C / 25% RH)
Cold
(0°C)
50 mW
Continuous
45 hrs
(2 days)
38 hrs
(2 days)
40 hrs
(2 days)
12 hrs
(0.5 days)
50 mW
1h per 12hr
38 hrs
(19 days)
36 hrs
(18 days)
30 hrs
(15 days)
16 hrs
(8 days)
50 mW
1h per 24hr
25 hrs
(25 days)
30 hrs
(30 days)
17 hrs
(17 days)
-
AAAA
Alkaline
50 mW
5 hrs
(0.25 days)
PP355
generally about 12 hrs (0.5 days)
for these temperatures and all intermittencies
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Eachbatterywasexposedtothespecifiedconditionsfortheentiretestduration.
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Figure 9demonstratestheserviceobtained fromaPP355batteryat 35°C/75%RH,35°C/25%RH, and
0°C conditions.The data presented with units of hours represent the runtime that the battery
delivered, while thevalues in parentheses indicate the duration  of the test in days.Insummary, the
PP355
batterysustainsasignificantperformanceadvantageoversimilarvolumeAlkalinebatterieswith
varyingintermittencyinextremetemperatureandhumidityconditions.
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2.3‐‐PulseCapability
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ThepulsecapabilityofZincAirbatteriesisdependentontheinstantaneousamountofoxygenavailable
attheairelectrodeatagiventime.WhilethePP355batterycancontinuouslydischargeatratesupto
100mA,thebatterycanprovidesignificantlymorecurrentinshortbursts.Figure8demonstrates
thata
freshPP355batterycanprovidepulsesofupto1500mA,dependingonthedurationofthepulse.The
pulsecapabilityofaZincAirbatterycanalsobeaffectedbythefrequencyofthepulses.Pulsecapability
willdropovertimewithoutsufficienttimeformoreoxygento
entertheairelectrode.
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