Dogtra YS500 User Manual
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4. If the AC adapter is left plugged into the battery unit
over 4 days (96 hours), this may cause serious
damage to the battery cell. For long term storage, it is
necessary to charge the battery for at least 10 hours
once each month and to store it at room temperature.
5. The battery unit has been partially charged prior to
shipment. It is necessary, however, to recharge the
battery 10 hours before initial use.
CAUTION : Do not recharge the battery in a hazardous
place. Do not expose the AC adapter to water.
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TO RECHARGE THE BATTERIES
1. Connect AC Adapter to the battery charging
receptacle on the unit.
2. Plug AC Adapter into an electrical power outlet of
ordinary household voltage (110V) and recharge the
battery unit for 10 hours.
3. Recharge the battery unit for 10 hours once every 15
days at room temperature during heavy usage.