44
Helpful Tips
Battery
Battery Life
Battery life is determined by several factors. Among the more critical
are the regular overcharge of batteries and the average depth of
discharge with each cycle. Typically, the greater the overcharge and
the deeper the average discharge, the fewer cycles a battery will last.
For example, a battery which is overcharged and discharged 100%
several times a day, will last fewer cycles than a battery that receives
less of an overcharge and is discharged to 50% per day. Further, a
battery which receives minimal overcharging and averages only 25%
discharge, will last even longer.
Charging the Battery
Motorola batteries are designed specifically to be used with a
Motorola charger and vice-versa. Charging in non-Motorola
equipment may lead to battery damage and void the battery warranty.
Motorola-authorized battery chargers may not charge batteries other
than the ones listed on page 49.
The battery should be at about 77
q
F (25
q
C) (room temperature),
whenever possible. Charging a cold battery (below 50
q
F [10
q
C])
may result in leakage of electrolyte and ultimately in failure of the
battery. Charging a hot battery (above 95
q
F [35
q
C]) results in
reduced discharge capacity, affecting the performance of the radio.
Motorola rapid-rate battery chargers contain a temperature-sensing
circuit to ensure that batteries are charged within the temperature
limits stated above.
Battery Charge Status
Your radio can indicate your battery’s charge status through LED and
sounds.
When your battery is low:
•
you see the LED flash red when the
PTT
button is pressed
•
you hear a low-battery “chirp” (short, high-pitched tone)
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