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Tips for DIY PSU for LiPo Chargers
#1
I will use this thread as a place for tips/links of cheap DIY Lipo chargers, feel free to ask questions and submit links/info too.

DIY Tutorials

Tips
  • Add fuses
Don't be a LOS'er, be a FPV'er :) -- My Fleet
#2
While a fuse won't do any harm, ATX PSUs have overcurrent protection - specifically any single rail can't output more than 240w (according to ATX specs), that is 20a on 12v. This is the reason why more powerful gaming units have to have more separate 12v rails available.

EDIT: afterthought: it actually may be a good idea to use a fuse IF your PSU has more rails AND you soldered them together into one line, because overcurrent protection will kick in only after reaching 40 or 60 amps, depending on number of 12v rails available.
Find me on Youtube and Instagram. I currently fly: NOX5, NOX5RAirblade Assault 130 and drive a scrap RC car
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#3
I made one of these a few years ago and I still use it, not as fancy as your's though.
Current quad: ZMR 250 / DYS SE2205 / Littlebee 20A ESCs / Drone Lab 1500 4S / Naze32 Rev5 / BF 2.7.1
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#4
On the 400W one, what is the switch for? i notice it's got the mains switch at the back.

Is it hooked up though the green and grey wire to power it up somehow?
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#5
(10-10-2016, 02:00 AM)mjcfpv Wrote: On the 400W one, what is the switch for? i notice it's got the mains switch at the back.

Is it hooked up though the green and grey wire to power it up somehow?

I can switch mains power on the back, but it will still stay in standby mode. Switch on front grounds green wire, activating the PSU.
Find me on Youtube and Instagram. I currently fly: NOX5, NOX5RAirblade Assault 130 and drive a scrap RC car
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