06-04-2018 дата публикации
Номер: KR101845793B1
The present invention relates to a portable multi-power control pack device (100)(100A) functioning as an auxiliary battery. A power control pack body (2) includes: an USB input part (6); an USB output part (28) of 5V output; and a DC jack output part (24) providing an output level value of 8.4 V (nominal voltage standard 7.4 V) - 14 V or 12.6 V (nominal voltage standard 11.1 V) - 24 V. The power control pack body (2) includes: a serial-parallel switching circuit part (20) including a constant voltage charging part (12), first and second battery parts (BT1, BT2) or first, second, and third battery parts (BT1, BT2, BT3), which are rechargeable, and serial-parallel switches (S2,S3)(S21,S22, S31,S32) to connect the first and second battery parts (BT1, BT2) or first, second, and third battery parts (BT1, BT2, BT3) in series or parallel; and a voltage boosting part (30) providing a voltage boosting output voltage for boosting a battery output voltage, coming from the first and second battery ...
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