Are you putting the connector on the wire first then pulling it on once it's been soldered? I found the ec5 to work OK, but I personally love xt150 connectors, they are bigger, but you don't need y connectors to join 2 batteries in series. Hobby King sells these and you can buy 20 sets for $20 USD easy to solder, like above just slide the connector on the cable first then solder and pull till it clicks in, job done.
Sorry you’re having trouble with EC5’s and yes you’re correct about multiple styles. You can tell the difference by looking at the actual connection terminal. I don’t use the ones that pull back into the connector to seat.
you'll just have a gap in connector when you insert the wire, but when you solder it the space will fill with solder. You only need to increase your wire size if you are increasing your current draw. If nothing else has changed then you won't need to, the connector won't draw more current it will just allow a better connection and transfer of the electricity that is already in your setup.
It just should not be that hard. I have been soldering for years and what you need here is a 250watt iron. I had one at work. Hot & fast in - slow withdraw.
The Weller 80 watt, I've got it. If I didn't have the 80 and only my other stuff; my Chinese soldering station, a Radio Shack 25w, and three other Wellers, I wouldn't have any connectors soldered.
and always use flux..!!
Couldn't agree more, night and day, lead free sucks!What made the biggest difference for me was having leaded solder as opposed to lead-free. I found lead-free solder was so awful to use. It would struggle to melt to begin with and I'd never be able to reuse it. Lost a lot of connector plugs trying to get it to work
I now use tin/lead 60/40 rosin core solder. Night and day difference
I've got a large chisel tip on my Hakko for esc and battery connectors xt150 connectors I use, I've never had any trouble getting enough heat for those, it will create a pool of liquid solder in the connector and when the tinned wire goes in a few seconds and it flows through the strands of a 8awg wire no worries.
Yeah, something with a tip that has more mass to hold more heat works better for larger stuff.
If you tin the wire first it might help, the solder needs to flow into the wire, but if it's not tinned it will take too long and if your using a connector with the pin mounted in plastic it will likely melt it before it flows through. On those types of connectors like xt90s I prefer to tin the connector and wire, then heat the wire up first then apply the wire to the connector and finish off the heat process as quickly as possible. That is why I like XT150s they can be soldered with no worries about melting the plastic. EC5 connectors are good in that way also, even though I prefer the XT90 as a connector they are easy to destroy, though the genuine Amass ones are far superior to the ones you need to put heat shrink over the pins.
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Yeah, I tin both.
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