Picnic or construction site - charge your E-Bike, Scooter or electric Skateboard etc. and boost your reach no matter if you got a 36V or 48V systhem. The DIY multicharger use Parkside 20V 4Ah or 20V 8Ah as it´s standard power source.
If you follow the video instructions you will still build and use it under your own risk. The Step up module seems to advertise more power capability than it could deliver. In case of the shown usage it had no problem with delivering 42V / 2A and 54,6V / 2A during the tests, haven't tested with more than 2 Amps or more than 54,6V.
Your new DIY charger will either stop charging because the Parkside battery is empty or because the battery wich get charged reached the set charging voltage and the current [A] went down to nearly zero = fully charged. In both cases it´s recomended to remove the Parkside Battery within the next 10 hours because of the discharge that still happens (minimal after low volt cut-off). The cut-off voltage module should not be set below 12,6 Volt. The XT60 input is experimental and is not connected to the low volt cut-off module within the video. I Missed out to film that you have to shorten the Plastic from the output terminal of the Step Up Converter module with a wire cutter that it fits the 3D printet housing (just 3 clicks)

Let me know if you whant a version 2 where you can reach / set the cut-off module from the outside and have it connected to the experimental input...??

3D Print files:
Free 3MF file DIY Charger - Parkside 20V, e-bike, e scooter, esk8 / charge everywhere 🛴 ・3D printable model to download・Cults (cults3d.com)

[ Ссылка ]

Modules: (aliexpress.com)
Module 1 - search for = 900W 15A Step Up Converter TFT Digital Display DC-DC
or = 900W 15A Boost Converter DC-DC
Module 2 - search for = HCW-M635

Cable lugs:
search for = Kalitec HR4-5 (in Germany) thought for 4mm² cable and M5 screw
or = Copper Crimp Lugs [Cable Entry: 4mm²] [Hole Size: M5]

Cables and ferrules:
AWG 15 / 1,5mm² (I used 2,0mm² but AWG 15 / 1,5mm² should be easier to install and should still be more than suitable for max. 15A. If only intended to use up to 2A, AWG20 / 0,5mm² should also work out fine)

Black XT60 plugs:
search for = Black XT60 plug with protective cap

Charging adapter cables: (aliexpress.com)
search for = Power Adapter AC 100-240V Black DC 42V 2A Electric Scooter Accessories US/ EU/ UK Plug

music: Art Music | Gabber Dance

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