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README.md
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README.md
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these are the hardware design files for **insert project name here**.
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these are the hardware design files for the RPH0002 battery connector.
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the RPH0002 is a battery back manufacturer by Jinyun Reypu Electronic Technology and used in [OKAI ES400B](https://eu.okai.co/pages/es400b) escooter.
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purpose
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=======
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this connector allows the RPH0002 battery to be used a standalone, independently of the escooter.
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usage
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=====
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plug the connector in either way since it's reversible.
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toggle the switch to on, and the nearby LED should light up.
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you are ready to use the battery.
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solder thick wires on the BAT+ and BAT- holes to use the battery.
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use the DC barrel jack connector (5.0 mm OD, 2.1 mm ID) to charge the battery.
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the charger should be for a 13S battery pack, up to 54.6V and 5A.
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the charge LED indicates when the charger is on.
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it does not indicate when the charging is complete though.
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for that, use the battery's LCD.
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when charging, the % should blink, and the charging level displayed.
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when the switch is toggled to off, the battery light turns red.
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this clear after 10 minutes.
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while the battery is turned on, the touch button of the battery does not show the level on the display anymore.
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mode of operation
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=================
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the 14 slots on the or for tab plugs, up to 1.5 mm thick, 6.5 mm wide, and 15 mm high.
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these are pretty unusual though.
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in a pinch, US plug lugs fit pretty well.
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the closest PCB tabs I found are 0.8 mm thick (very usual), 6.35 mm wide (common), and 11.97 mm high (quite high).
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the signal of the tab is written next to it on the back.
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each signal appears twice because the connector is reversible.
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this prevents any issue when the battery is mount the other way around in the escooter, even if the is one way to lock it in.
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it also allows to have redundant connections, and increases the contact surface, allowing for letting more current to run through.
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the two signals are interconnected in the battery, and is this connector.
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for the battery to fully turn on, the output needs to the constantly connected to the sense signal.
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this is what the switch does.
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to turn off, just leave the sense signal floating.
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when the sense signal is connected to ground, the output will reset periodically and the battery light will blink red.
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the battery also has a CAN interface.
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it will ACK any input message.
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it will output messages when charging, but their format is unknown yet.
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I do not know if it requires any initial message for the battery to run on, but it does not need any message periodically to remain on.
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