Refueling on the road - mobile USB charging
Almost all modern gadgets can be charged from the USB port of a computer or charging with such a port.
The fashion for compact devices has led to the fact that the batteries in them are not too capacious. For example, my HTC HD2 barely withstands the work day with active use, and even less in GPS navigator mode. As a result, you have to run from charging to charging, or carry with you spare batteries for each device. But a set of different batteries will be expensive and the replacement of the battery for a walk is about 5 minutes: turn off, change the battery, turn on, start the softphone, wait until the satellites find again. Unpleasant
I'll show you how to make USB charging, which you can take with you.
" RMPS "
It allows you to charge through a standard USB port everything that eats no more than 3A, and itself is powered by a constant voltage of about 7.2V to 22V. (model aircraft, car batteries, everything that is at hand).
The cost of about 280-300 rubles. Production time is approximately 1 hour. The size is slightly larger than an AA battery.
Any DC voltage source with an XT60 (yellow) or JST mini (red) connector is connected to one connector.
In the USB connector, we connect any device that can be charged from it and that's all, charging has gone. In this case, you can use the phone or the fact that we charge there without interrupting the charge.
View from the side of the connectors and a regular AA battery next to the size comparison:
" RMPS "
Take the TURNIGY 3A UBEC w / Noise Reduction ($ 4.42 per HK), solder an additional XT60 connector to the (Input) connector (or others, depending on the power sources that you have, I made under 2 types of batteries that I have) . Solder the USB connector to the Output (Output) by connecting the average 2 pins to make the device think it is charging from the power supply and does not limit the charging current to 500 mA. Solder the number 1 to solder the "+", to the conclusion number 4 "-" (view from the side of the connector, solder the reverse, of course)
')
The cost of connectors is about 50 rubles in total.
Wires gently fold, fasten tape, hot melt or hide in heat shrink tubing. Done!
Compact lithium-ion batteries from radio-controlled models easily fit in your pocket. Large ones that can be put in the pocket of a backpack will allow you to fully charge the communicator battery more than once.
" Charging from RMPS "
When connected to a battery on charge, a red LED is on, indicating that it is operational.
As you can see, charging and compact battery easily fit in your pocket, and at the right time the kit will not leave without the ability to call or find your way home. Or it will give an opportunity for a few days to go where there are no outlets.
If you wish, you can make USB A adapters - a “port of the device” for everything that you have and do not take the cord with you, including the charger directly into the device. I prefer the usual lace.
UPD Especially for lovers of AA batteries:
RPMS & AA
We buy any batteries or batteries in the kiosk and charge them if you want. As I mentioned above, the device is not picky about the power supply.
The fashion for compact devices has led to the fact that the batteries in them are not too capacious. For example, my HTC HD2 barely withstands the work day with active use, and even less in GPS navigator mode. As a result, you have to run from charging to charging, or carry with you spare batteries for each device. But a set of different batteries will be expensive and the replacement of the battery for a walk is about 5 minutes: turn off, change the battery, turn on, start the softphone, wait until the satellites find again. Unpleasant
I'll show you how to make USB charging, which you can take with you.
" RMPS "
It allows you to charge through a standard USB port everything that eats no more than 3A, and itself is powered by a constant voltage of about 7.2V to 22V. (model aircraft, car batteries, everything that is at hand).
The cost of about 280-300 rubles. Production time is approximately 1 hour. The size is slightly larger than an AA battery.
How to use
Any DC voltage source with an XT60 (yellow) or JST mini (red) connector is connected to one connector.
In the USB connector, we connect any device that can be charged from it and that's all, charging has gone. In this case, you can use the phone or the fact that we charge there without interrupting the charge.
View from the side of the connectors and a regular AA battery next to the size comparison:
" RMPS "
How to make
Take the TURNIGY 3A UBEC w / Noise Reduction ($ 4.42 per HK), solder an additional XT60 connector to the (Input) connector (or others, depending on the power sources that you have, I made under 2 types of batteries that I have) . Solder the USB connector to the Output (Output) by connecting the average 2 pins to make the device think it is charging from the power supply and does not limit the charging current to 500 mA. Solder the number 1 to solder the "+", to the conclusion number 4 "-" (view from the side of the connector, solder the reverse, of course)
')
The cost of connectors is about 50 rubles in total.
Wires gently fold, fasten tape, hot melt or hide in heat shrink tubing. Done!
Compact lithium-ion batteries from radio-controlled models easily fit in your pocket. Large ones that can be put in the pocket of a backpack will allow you to fully charge the communicator battery more than once.
" Charging from RMPS "
When connected to a battery on charge, a red LED is on, indicating that it is operational.
As you can see, charging and compact battery easily fit in your pocket, and at the right time the kit will not leave without the ability to call or find your way home. Or it will give an opportunity for a few days to go where there are no outlets.
If you wish, you can make USB A adapters - a “port of the device” for everything that you have and do not take the cord with you, including the charger directly into the device. I prefer the usual lace.
UPD Especially for lovers of AA batteries:
RPMS & AA
We buy any batteries or batteries in the kiosk and charge them if you want. As I mentioned above, the device is not picky about the power supply.
Source: https://habr.com/ru/post/130464/
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