Motorola ST8600 Manual page 23

Battery Information
Auxiliary Batteries
With an auxiliary battery attached, you can get even more
talk-time and standby-time, in addition to your main battery.
You can use any auxiliary battery with any main battery to
fit the way you use your phone.
Auxiliary Battery Talk and Standby Times:
Times listed in this table reflect the capacity of the auxiliary
battery shown. For a complete measure of talk-time or
standby-time, simply combine the time shown for your main
battery to the time shown for your auxiliary battery.
Slim Auxiliary Battery
(Lithium Ion) E•P
up to 110 minutes talk-time or 22 hours standby-time*
Standard Auxiliary Battery
(Nickel Metal Hydride)
up to 120 minutes talk-time or 24 hours standby-time*
Extra Capacity Auxiliary Battery
(Lithium Ion) E•P
up to 150 minutes talk-time or 35 hours standby-time*
*In addition to any main battery.
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