After inserting the batteries, the charger starts an automatic diagnosis and a quick capacity test for about ten seconds. Depending on the condition of the battery, the device selects a gentle pre-charge and/or refresh program, or initiates the actual charging process. The refresh mode restores performance of rechargeable batteries damaged by storage or memory effect, and prolongs their life cycle considerably.
Once a battery is fully charged, the charging process is automatically stopped and switched to trickle charging (buffer charging with current impulses). This feature ensures optimum performance and counteracts the self-discharge of the battery. The battery can thus remain in the device until it is used. A clearly arranged LED display shows the current program mode for each charging slot separately. Should a non-rechargeable or defective battery be inserted accidentally, this will be indicated by a flashing red LED.
The microcontroller-monitored charger of Energy series does not require any control elements and, thanks to the fully automatic control, its handling is clear and easy. Apart from USB devices, you can charge all five major battery sizes, also mixed. The battery level prior to charging is irrelevant. The charger is suitable for all brand batteries (NiMH/NiCd) and rechargeable batteries.
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