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battery packs by automatically charging and discharging (cycling) the battery. Refer to the appropriate
charger manual for details.
5.1.3 Conditioning Lithium Battery Packs
Lithium-based battery packs do not suffer from memory effect and therefore do not require conditioning.
5.1.4 Storing Li-Ion Battery Packs
If a battery pack is expected to be idle for a month or more, it should be properly prepared. Li-Ion battery
packs should not be stored fully charged. Before storing the battery pack, discharge it to 40% capacity. If
the battery is not discharged prior to storage, its overall capacity may be reduced. Although all battery
packs experience some capacity loss during storage, the shelf life for Li-Ion battery packs is about 3
months. However, note that any capacity drop which occurs during storage is permanent and cannot be
reversed. Li-Ion battery packs should be purchased and used immediately. They should not be stock-
piled without a rotating stock plan.
5.1.5 Additional Information
For more information regarding the proper care of portable radio battery packs or establishing a battery
maintenance program, refer to ECR-7367 which may be ordered by calling toll free 1-800-368-3277
(international - 1-434-455-6403) or via https://premier.pspc.harris.com/infocenter/.
5.2 CHARGING BATTERY PACKS
Battery chargers are available from Harris with nominal charge times. Combinations include single and
multi-position charge units.
Harris chargers are specifically designed for charging Nickel-based and Lithium battery packs. The
chargers are chemistry-specific for the battery packs and automatically adjust the charging profiles
accordingly. Refer to the appropriate charger manual for specific operating instructions.
Observe the following guidelines when charging a battery pack:
• Avoid high temperature during charging.
• Discontinue use if the charger is overheating.
• Only charge Harris battery packs using a charger approved for use by Harris.
• Do not leave batteries in the charger indefinitely. For best results, leave the battery in the charger for
two to six hours after the Green Ready LED comes on. Then place the battery pack into service and
fully discharge (as indicated by the radio low battery warning) before re-charging.
If any faults are encountered while charging the battery pack, consult the charger’s manual to determine
the cause and possible corrective action.
5.3 BATTERY PACK USAGE
Both Nickel-based and Lithium batteries vary in capacity and life cycle. For instance, NiCd batteries have
a longer life cycle than NiMH batteries whereas NiMH batteries have a larger capacity. However, both
Nickel-based and Lithium type batteries require basic usage guidelines be followed in order to optimize
the battery runtime or shift life.
The following guidelines will help optimize the battery runtime or shift life:
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