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Another charging station. The guys from laser tag have updated their weapons staff. In this batch, the equipment is powered by a Li-ion battery. We received a task to make multi-channel charging for simultaneous charging of 20-25 weapons. China comes to the rescue again; charging boards for Li-ion have been purchased.
Do-it-yourself Liion multi-channel charging

Accessories for homemade products


  • - charging boards on TP4056 - ;
  • - wires;
  • - cylindrical connectors;
  • - cable channel;
  • - sheet plastic;
  • - tools.

Charging boards are known to many. It was purchased for a design in different colors. The meaning of their work is the same.
Do-it-yourself Liion multi-channel charging

The wires with the connector will have to be extended. Sold in 25 cm length, I will extend it with a similar wire. The length will be about one meter.
Do-it-yourself Liion multi-channel charging

Cable box as in the photo. You can take any, but this one was perfect.
Do-it-yourself Liion multi-channel charging

I immediately cut out the plugs for the box from plastic.
Do-it-yourself Liion multi-channel charging

Manufacturing


You need to solder the scarves into such rulers. I soldered 5 pieces. This relieved the load on the wires. The wire will support more boards, but I made 5 of them. I will make 5 of these lines.
Do-it-yourself Liion multi-channel charging

In the box, after 3 cm, I drill holes. I chose the distance that suits the boards.
Do-it-yourself Liion multi-channel charging

I insert wires into the holes.
Do-it-yourself Liion multi-channel charging

I glue the boards with double-sided tape. I will connect the wires from all the lines in parallel.
Do-it-yourself Liion multi-channel charging

I will use a ready-made power supply as a power source.
Do-it-yourself Liion multi-channel charging

We connect the rulers one by one and check the operation.
Do-it-yourself Liion multi-channel charging

As a test “module”, I will use a regular Li-ion, with a mating connector soldered to it. Checking the glow change LED.
Do-it-yourself Liion multi-channel charging

I will place wooden rectangles at the bottom of the box. You can install the rail, I screwed what was at hand.
Do-it-yourself Liion multi-channel charging

I connect all the rulers on the block. I will screw the block into a wooden rectangle.
Do-it-yourself Liion multi-channel charging

I glue the plugs to the box. I screw the outer ones onto two self-tapping screws. You will need to drill a hole to mount the structure on the wall.
Do-it-yourself Liion multi-channel charging

This is the design we got. It will be connected to the power supply using a cable. Most likely 2*2.5 mm2.
Do-it-yourself Liion multi-channel charging

This is what charging looks like from the outside (client's photo). A week has passed, the flight is normal.
Do-it-yourself Liion multi-channel charging

Watch the video


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Comments (2)
  1. Denis
    #1 Denis Guests December 18, 2019 07:12
    1
    if you get really confused, you could still close the cable channel, make holes in the lid for LEDs, a drop of glue from a spray gun into the holes, and instead of plugs there are small 5 volt fans because these scarves are so damn hot)
  2. Guest Pavel
    #2 Guest Pavel Guests 22 December 2019 16:24
    2
    When upgrading, it is more convenient to divide it into 2 parts for each shelf with weapons, and mount the power supply unit on the wall so as not to push it

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