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The main > Computers> How to turn on phone without accumulator

How to turn on phone without accumulator

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Как включить телефон без аккумулятора

Without use of the battery it is possible to activate practically any phone. In what cases it becomes necessary? There are different emergency situations when the battery is lost, and important data remained, or, for example, if phone is part of a chain of the security alarm system or the listening system.

Operation of phone without accumulator

Whether it is possible to turn on phone without accumulator? There is an opinion, what for this purpose it is enough to put of it on charging then it is possible to include, however it not so. The ordinary device for charging assumes work with the battery where it at first accumulates, and then gives current. Power supply of the device directly from charging is impossible: as current is too small, tension will fall at once to a zero indicator as soon as you try "to wake" your phone.

To start the device, it is necessary to make independently or to buy the stabilizing power unit which develops constant tension 3,7B with the maximum loading of current no more than 2 And. The necessary tension should not be above an admissible indicator, even at the moments of inclusion/switching off and differences of loading at all. Pay attention that the power unit was protected from an overstrain in case of malfunction, and also had prevention in case of short circuit. How to turn on phone without accumulator?

Как включить телефон без аккумулятора

The instruction on turning on of phone without accumulator:

  1. To switch off phone, and, having disconnected it from the charger, to remove the battery.
  2. By means of the voltmeter to find on it two contacts which would correspond to tension from 3,2 to 3,7 V. Opredelit the operating polarity of contacts.
  3. To give the necessary tension from system of uninterrupted food on suitable contacts in the case of a battery compartment. It is possible to solder the ends in case in a different way phone is not operated (in this case the power unit should be disconnected).
  4. To include at first food, and then to start operation of phone.
  5. It is possible to check serviceability of the received system so: to connect phone to security system by means of the USB cable that thus the general wire of the scheme was disconnected from the power unit.

It is important to remember that in case of loss of tension or a detachment of contact, phone will instantly be switched-off. If the device is part of the security alarm system, it is necessary to take care of that it was equipped with the block of uninterrupted food which has to be reliably protected from temperature fluctuations.

Как включить телефон без аккумулятора

Council: instead of the power unit it is possible to make the adjustable stabilizer, and to stretch tension, for example, from the computer. Many old models of phones (namely such are most often used for a call-back in the security purposes), request in addition connection of the resistor, and to some devices to four-contact accumulators happens it is necessary and on two resistors.

Some models are equipped with system of reading of information from the chip which happens built in the battery. For example, food from the Siemens accumulator is removed on extreme plugs. Between them information contacts which allow phone to identify the battery are removed: NiMH or LiIon. These contacts are connected, as a rule, in front of the last plug to "minus" through 20 kOhm. Such resistor is the thermal sensor during start of the accumulator and is in the battery.

Как включить телефон без аккумулятора

It is necessary for its connection:

  • to make accumulator "model" with platforms for contacts or to use the case from the similar battery;
  • on platforms to solder contacts with resistance similar to that is required in the accumulator;
  • further wires from the power unit are soldered, the main thing – not to mix polarity.

Apparently phone can be turned on and without accumulator, only some adaptations and knowledge from this article for this purpose will be necessary.

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