Lucent Technologies KS-20472 - Figure 7-2: Replacing a Defective Cell with a New Cell

Lucent Technologies Round Cell Batteries
7 - 22 Operation and Maintenance Issue 3 December 1999
Replace a Cell in an Existing String, continued
String Connected
to Load/Charger,
continued
Connect the new cell in parallel with the defective (old) cell using two
pairs of suitable length cables (see Figure 7-2).
DANGER
RISK OF EXPLOSION
The string and new battery must be verified to have been on float
charge at a voltage less than 2.20 volts/cell for at least 48 hours
before performing this function.
WARNING
ELECTRICAL HAZARD
Insulate the end of the cable that is not connected if the other end is
connection to the battery terminal.
Figure 7-2: Replacing a Defective Cell With a New Cell
New
New
New
Old
Old
Old
Configuration A Configuration B Configuration C
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