[INCH-POUND] A-A-50799A
31 May 2012
SUPERSEDING A-A-50799
16 February 1982
COMMERCIAL ITEM DESCRIPTION
CHARGER/ANALYZER FOR VENTED CELL NICKEL-CADMIUM BATTERIES
The General Services Administration has authorized the use of this commercial item description for all federal agencies.
1. SCOPE. This commercial item description (CID) covers the general requirements for a general purpose, self-contained, constant current charge type battery charger/analyzer designed to charge nickel- cadmium (Ni-Cd) and Lead-Acid batteries. Battery chargers/analyzers covered by this CID are intended for commercial/industrial applications.
2. CLASSIFICATION/PART OR IDENTIFICATION NUMBER (PIN). This CID uses a classification system which is included in the PIN. The PIN shall be AA50799 (see 7.2).
3. SALIENT CHARACTERISTICS.
3.1 Interface and physical dimensions. Battery chargers/analyzers supplied to this CID shall be as specified herein.
3.2 Digital display capacity. Digital displays shall be provided and have the capacity to display voltage, current and battery quality.
3.2.1 Current. Current shall be displayed in 99.9 full scale with an accuracy of ±2 percent of full scale.
3.2.2 Individual cell. The individual cells shall be displayed in 19.9 full scale with an accuracy of ±2 percent of full scale.
3.2.3 Visual status indication. A segmented bar display shall be provided for visual status indication of battery.
3.3 Separate digital programmable timers. The charger and analyzer sections shall have separate digital programmable timers.
3.4 Constant current charging. Charging cycles shall be accomplished by a 2-step constant current charging method. The constant current range this battery/analyzer shall be able to provide is from 1
Ampere (A) to 65 A, maximum.
3.5 Constant potential charge. This battery charger/analyzer shall provide constant potential charge for
Lead-Acid batteries.
Beneficial comments, recommendations, additions, deletions, clarifications, etc., and any data that may improve this document should be sent to: DLA Land and Maritime, ATTN: VAT, P.O. Box 3990, Columbus, OH 43218-3990, or email mailto:CircuitProtect@dla.mil. Since contact information can change you may want to verify the currency of the address information using the ASSIST Online database at https://assist.daps.dla.mil/.
AMSC N/A FSC 6130
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