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14
RW Series User Guide
Two three-wire versions of the LI72 are offered as illustrated
in Figure 4. The enhanced 3-Wire version (AT18737-x) offers
improved charging features and will replace the LI72 3-Wire
charger (AT17696-x).
Both of the LI72 models will charge a battery pack as fast as
its charge level will allow, and then switch over to a mainte-
nance charge to keep the charge at its maximum.
Yellow Green
Figure 6: LI72 Single Charger Types
LI72 3-Wire Charger
p/n AT17696-x
LI72 3-Wire Charger
(Enhanced)
p/n AT18737-x