iCharger Battery Charger, Instruction Manual

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Note:
User shall always observe the recommended maximum charging current of the
rechargeable batteries. In general, 200 mA is a recommended charging current if rapid
charging is not necessary. It is definitely safe and optimum to the rechargeable batteries.
When the transformer has been plugged to the power source, the version number of the
charger (for example “29” ) will be displayed first. Then all the segments will light up
momentarily and the “null” sign will be shown before batteries are placed. If damaged
batteries are placed to the charging unit, the charger will also show “null” on LCD.
“null” displayed - No battery or damaged battery is
placed to the charging unit