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Question:

Dell laptop plug in the power supply usb can not be used, how is it?

Cable YJV-1KV-5 * 10 pipe laying, including cable head system with what fixed amount?

Answer:

It is generally not required to do so because the battery on the computer side of the charge side of the use of all right
KVV is the control cable, generally do industrial control; and RVS is twisted pair, generally used for weak system, to eliminate the interference requirements of the occasion, such as two-wire bus system, specifically, the electrical fire bus more Such as RS485 bus and so on.
Do not recommend you use that, if the time is slightly longer, the battery has lost, and the performance is also reduced. You use the notebook, the battery on the inside, even if the charger has been stuck all right. The computer has a battery automatically charge the chip, say the lithium battery no memory effect, but very lazy. If it has been in the active state will be very lively. Storage capacity will always be maintained, on the contrary, the loss of vitality, your battery is a little bit lost, their own look,

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