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www.enersys.com
Publication No. US-MP-OM-001
March 2017
22.0 TEMPORARY NON-USE (EXTENDED OUTAGE)
22.1 Installed/Out-of-Service System
If an INSTALLED battery is expected to STAND IDLE longer than the storage period
recommended for the storage temperature (see Table 4.1 on page 9), treat as follows:
1. Before taking the battery out of service, insure that the cells are fully charged. This
can be accomplished by applying a freshening or equalization charge as described in
Section 16.
2. After the charge, open the connections at the battery terminals to remove load from
the battery.
3. Throughout the extended non-use period, give the battery a recharge per the
recommendations noted in Section 4.2. Disconnect the battery from the charger
between charges.
22.2 Return to Service
To return the battery to normal service:
1. Reconnect the battery, the load and charger.
2. If any cells OCV’s are below 2.11 V, give the battery an equalizing charge as described
in Section 17.3.1.
3. Return the battery to float operation.
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