AS 680/682
Maintenance and Repair Description, Operation and Maintenance
ADS−B
7−6 Ed. 10.07
7.1.9 Maintenance of UPS Battery Packs
NOTE: Regard the recommendations of the UPS manufacturer (see COTS user manual).
Normally the UPS system does not require maintenance, because it contains no serviceable parts.
If the battery service life (about 3 to 5 years at 25 °C ambient temperature) has been exceeded, the
batteries must be exchanged. Contact Thales ATM for service.
If the battery are to be stored in temperate climatic zones, they should be charged every three months
for 1 to 2 hours. The charging intervals should be shortened to two months at locations subject to
high temperatures.
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