Dogtra YS200 - Manual (Page 4)

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.
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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
fourteen 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 15-20 hours before initial use.
CAUTION : Do not recharge the battery in a
hazardous place. Do not expose the AC adapter to
water.