The Performance of Alkaline AA Batteries with the Aviator's Night Vision Imaging System - Before and After Activation of the Low Battery Indicator

The dual battery pack with the aviator's night vision imaging system (ANVIS) has a low battery indicator to alert the user to switch batteries at approximately 2.4 volts before the ANVIS performance is affected. With the original lithium batteries, the usable time after activation of the low ba...

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Hauptverfasser:	McLean, Bill, Garrard, John A, Wildzunas, Robert M
Format:	Report
Sprache:	eng
Schlagworte:	AA BATTERIES ACTIVATION AERONAUTICS ALKALINE BATTERIES ANVIS(AVIATORS NIGHT VISION IMAGING SYSTEM) BATTERY COMPONENTS Electrochemical Energy Storage INDICATORS LABORATORIES LANDING FIELDS LITHIUM BATTERIES LOW BATTERY INDICATORS NIGHT VISION DEVICES Optical Detection and Detectors PE62787A PILOTS STORAGE STORAGE BATTERIES SWITCHES USER NEEDS
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creator	McLean, Bill Garrard, John A Wildzunas, Robert M
description	The dual battery pack with the aviator's night vision imaging system (ANVIS) has a low battery indicator to alert the user to switch batteries at approximately 2.4 volts before the ANVIS performance is affected. With the original lithium batteries, the usable time after activation of the low battery indicator is approximately 30 minutes. Aviation units are now predominately using a pair of the AA alkaline batteries with ANVIS. This report investigated the usable time available with ANVIS after activation of the low battery indicator for alkaline AA batteries. Laboratory results showed that the ANVIS usable time for the alkaline batteries was typically more than five hours after the low battery indicator had been activated. Additionally, we found significant differences in the battery voltages at different airfields for supposedly new batteries, indicating that pilots are either mixing up the new and used batteries during flight, or the batteries are being short-circuited during storage.
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With the original lithium batteries, the usable time after activation of the low battery indicator is approximately 30 minutes. Aviation units are now predominately using a pair of the AA alkaline batteries with ANVIS. This report investigated the usable time available with ANVIS after activation of the low battery indicator for alkaline AA batteries. Laboratory results showed that the ANVIS usable time for the alkaline batteries was typically more than five hours after the low battery indicator had been activated. Additionally, we found significant differences in the battery voltages at different airfields for supposedly new batteries, indicating that pilots are either mixing up the new and used batteries during flight, or the batteries are being short-circuited during storage.</description><language>eng</language><subject>AA BATTERIES ; ACTIVATION ; AERONAUTICS ; ALKALINE BATTERIES ; ANVIS(AVIATORS NIGHT VISION IMAGING SYSTEM) ; BATTERY COMPONENTS ; Electrochemical Energy Storage ; INDICATORS ; LABORATORIES ; LANDING FIELDS ; LITHIUM BATTERIES ; LOW BATTERY INDICATORS ; NIGHT VISION DEVICES ; Optical Detection and Detectors ; PE62787A ; PILOTS ; STORAGE ; STORAGE BATTERIES ; SWITCHES ; USER NEEDS</subject><creationdate>1997</creationdate><rights>APPROVED FOR PUBLIC RELEASE</rights><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>230,780,885,27567,27568</link.rule.ids><linktorsrc>$$Uhttps://apps.dtic.mil/sti/citations/ADA321687$$EView_record_in_DTIC$$FView_record_in_$$GDTIC$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>McLean, Bill</creatorcontrib><creatorcontrib>Garrard, John A</creatorcontrib><creatorcontrib>Wildzunas, Robert M</creatorcontrib><creatorcontrib>ARMY AEROMEDICAL RESEARCH LAB FORT RUCKER AL</creatorcontrib><title>The Performance of Alkaline AA Batteries with the Aviator's Night Vision Imaging System - Before and After Activation of the Low Battery Indicator</title><description>The dual battery pack with the aviator's night vision imaging system (ANVIS) has a low battery indicator to alert the user to switch batteries at approximately 2.4 volts before the ANVIS performance is affected. With the original lithium batteries, the usable time after activation of the low battery indicator is approximately 30 minutes. Aviation units are now predominately using a pair of the AA alkaline batteries with ANVIS. This report investigated the usable time available with ANVIS after activation of the low battery indicator for alkaline AA batteries. Laboratory results showed that the ANVIS usable time for the alkaline batteries was typically more than five hours after the low battery indicator had been activated. Additionally, we found significant differences in the battery voltages at different airfields for supposedly new batteries, indicating that pilots are either mixing up the new and used batteries during flight, or the batteries are being short-circuited during storage.</description><subject>AA BATTERIES</subject><subject>ACTIVATION</subject><subject>AERONAUTICS</subject><subject>ALKALINE BATTERIES</subject><subject>ANVIS(AVIATORS NIGHT VISION IMAGING SYSTEM)</subject><subject>BATTERY COMPONENTS</subject><subject>Electrochemical Energy Storage</subject><subject>INDICATORS</subject><subject>LABORATORIES</subject><subject>LANDING FIELDS</subject><subject>LITHIUM BATTERIES</subject><subject>LOW BATTERY INDICATORS</subject><subject>NIGHT VISION DEVICES</subject><subject>Optical Detection and Detectors</subject><subject>PE62787A</subject><subject>PILOTS</subject><subject>STORAGE</subject><subject>STORAGE BATTERIES</subject><subject>SWITCHES</subject><subject>USER NEEDS</subject><fulltext>true</fulltext><rsrctype>report</rsrctype><creationdate>1997</creationdate><recordtype>report</recordtype><sourceid>1RU</sourceid><recordid>eNqFjrsKwkAURNNYiPoHFtNZpdCA2q4vFEQExVaW5G5yMdmF3YvB3_CL3UB6qylmOGeGyfdeEa7kjfONtjnBGaj6pWu2BKWw0SLkmQJalgoS1-rNWpyfBVy4rAQPDuwsTo0u2Za4fYJQgxQbilCCtgWUiRCoXPitpRtHS4c6u7Y3fHCyBecdeJwMjK4DTfocJdPD_r49poVw_gwSn8lT7VS2mC_Xq-xP_QOPWUqw</recordid><startdate>199701</startdate><enddate>199701</enddate><creator>McLean, Bill</creator><creator>Garrard, John A</creator><creator>Wildzunas, Robert M</creator><scope>1RU</scope><scope>BHM</scope></search><sort><creationdate>199701</creationdate><title>The Performance of Alkaline AA Batteries with the Aviator's Night Vision Imaging System - Before and After Activation of the Low Battery Indicator</title><author>McLean, Bill ; Garrard, John A ; Wildzunas, Robert M</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-dtic_stinet_ADA3216873</frbrgroupid><rsrctype>reports</rsrctype><prefilter>reports</prefilter><language>eng</language><creationdate>1997</creationdate><topic>AA BATTERIES</topic><topic>ACTIVATION</topic><topic>AERONAUTICS</topic><topic>ALKALINE BATTERIES</topic><topic>ANVIS(AVIATORS NIGHT VISION IMAGING SYSTEM)</topic><topic>BATTERY COMPONENTS</topic><topic>Electrochemical Energy Storage</topic><topic>INDICATORS</topic><topic>LABORATORIES</topic><topic>LANDING FIELDS</topic><topic>LITHIUM BATTERIES</topic><topic>LOW BATTERY INDICATORS</topic><topic>NIGHT VISION DEVICES</topic><topic>Optical Detection and Detectors</topic><topic>PE62787A</topic><topic>PILOTS</topic><topic>STORAGE</topic><topic>STORAGE BATTERIES</topic><topic>SWITCHES</topic><topic>USER NEEDS</topic><toplevel>online_resources</toplevel><creatorcontrib>McLean, Bill</creatorcontrib><creatorcontrib>Garrard, John A</creatorcontrib><creatorcontrib>Wildzunas, Robert M</creatorcontrib><creatorcontrib>ARMY AEROMEDICAL RESEARCH LAB FORT RUCKER AL</creatorcontrib><collection>DTIC Technical Reports</collection><collection>DTIC STINET</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>McLean, Bill</au><au>Garrard, John A</au><au>Wildzunas, Robert M</au><aucorp>ARMY AEROMEDICAL RESEARCH LAB FORT RUCKER AL</aucorp><format>book</format><genre>unknown</genre><ristype>RPRT</ristype><btitle>The Performance of Alkaline AA Batteries with the Aviator's Night Vision Imaging System - Before and After Activation of the Low Battery Indicator</btitle><date>1997-01</date><risdate>1997</risdate><abstract>The dual battery pack with the aviator's night vision imaging system (ANVIS) has a low battery indicator to alert the user to switch batteries at approximately 2.4 volts before the ANVIS performance is affected. With the original lithium batteries, the usable time after activation of the low battery indicator is approximately 30 minutes. Aviation units are now predominately using a pair of the AA alkaline batteries with ANVIS. This report investigated the usable time available with ANVIS after activation of the low battery indicator for alkaline AA batteries. Laboratory results showed that the ANVIS usable time for the alkaline batteries was typically more than five hours after the low battery indicator had been activated. Additionally, we found significant differences in the battery voltages at different airfields for supposedly new batteries, indicating that pilots are either mixing up the new and used batteries during flight, or the batteries are being short-circuited during storage.</abstract><oa>free_for_read</oa></addata></record>
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source	DTIC Technical Reports
subjects	AA BATTERIES ACTIVATION AERONAUTICS ALKALINE BATTERIES ANVIS(AVIATORS NIGHT VISION IMAGING SYSTEM) BATTERY COMPONENTS Electrochemical Energy Storage INDICATORS LABORATORIES LANDING FIELDS LITHIUM BATTERIES LOW BATTERY INDICATORS NIGHT VISION DEVICES Optical Detection and Detectors PE62787A PILOTS STORAGE STORAGE BATTERIES SWITCHES USER NEEDS
title	The Performance of Alkaline AA Batteries with the Aviator's Night Vision Imaging System - Before and After Activation of the Low Battery Indicator
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