Battery Care; Charging - Ritron SST-444 Instruction Manual

Uhf-fm handheld transceiver
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The handheld is powered by a rechargeable battery, which fits into the radio case (see FIG-1).
The battery pack can lose its charge during storage and shipment, and should be fully charged before the
radio is used. Thereafter, the battery should be charged overnight after each day of use, to ensure peak
radio performance for the next day. Using the cube charger (model BC-A), the battery should charge
completely in 12 hours.
Note: A new battery must be cycled (charged and discharged) several times before it will reach its
maximum charge capacity.
To charge the battery using a RITRON cube charger - plug the charger cord into the smaller of the two
jacks on top of the radio. Then plug the cube into a 110 VAC outlet. The green lamp lights while the
battery is charging, and should go off only when the cube is unplugged.
Two charger contacts, visible through the bottom of the radio case, allow the battery to be charged using
an optional RITRON drop-in charger (model BCPS-FS). The battery pack may be charged inside or
outside of the radio case.
To charge the battery using a drop-in charger (model BCPS-FS) - plug the drop-in charger into a 110 VAC
outlet. Set the portable or battery into the charger. Each battery contact must rest on a charger contact
pin.
Typically, a battery pack's service life is one year. To ensure maximum service life, follow these
guidelines:
Do not discharge a battery that is already "run down." If the battery cannot power your radio, recharge
the battery.
Do not overcharge a battery. The standard battery should not be left to charge continuously.
Before storing a battery, charge it for 16 hours. Thereafter, charge the battery for 16 hours once every
30 days.
With daily use and recharging, a battery's service life is about one year. It is time to purchase a new
battery:
1) When the radio's transmitter coverage decreases or does not work at all.
2) When the radio quits working after just a few hours of use, even with a full overnight charge.
3) When the battery is more than two years old. The date of manufacture is stamped on every battery.
The first two digits indicate the year, the last two digits the week.

BATTERY CARE

CHARGING

9

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