What is the official name for the connector with the black heat shrink?
I know the yellow one with the wires is an XT60.
Cheers
John
Your questions answered:
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Maybe best connectors for rc:
Thanks all. I had a look at the connectors from LLD and didn’t see a similar connector.
I took a chance and emailed HobbyKing who I got the battery and charger from and the reply was
Hi John,
Those are the old way that Zippy attached the XT60 connectors in the very beginning. If the battery or batteries are still good, I would recommend getting new XT60 connectors and soldering them onto the batteries instead of those push on XT60 connectors. This would be a much safer option in my opinion.
Like these ones: https://hobbyking.com/en_us/5-pair-xt60h-plug-connectors-male-and-female-with-sheath.html
Cheers
john
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It’s the bullet/banana section near the bottom. If you see " Team Corally PRO 3.5mm Connector" you have gone too far.
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I did see them. I was referring to not seeing the same connector as I have now.
Aren’t they just a pair of bullets soldered on to the back of an XT60?
Maybe. I have not taken the plug apart.
I think you’ll find I’m right 
Hobbykings’s advice makes sense to me if you are already using XT-60 connectors. Remove the bullets and go straight to XT-60.
Me I’ve been using these DC T Connector 2 Pole Assembled Kit Barenco since 2008 without issue. And like you, I have a Hobbyking battery that has bullet connectors and a bullet to T. I left the bullets on as there was a report of someone here having a battery fail under warranty and Hobbyking not honouring it because the original connectors had been removed. So another Christmas job is to remove the bullets as this pack is now 7 years old and well out of warranty.
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You probably are correct.
Currently I have a rather chunky 50amp Anderson plug to connect the radio to the battery/radio power lead. I want to reduce the bulk of this to smaller slimmer plug setup.
The Turnigy charger also used XT60’s as well, so it makes sense to keep to one type
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Well that was fun for Christmas Eve… my 50W Weller TCP was not man enough to unsolder the bullet connectors and I’ve had my first LiPo “fire” 
I could not unsolder the bullet connectors, the wires sucked all the heat away from the connector. In the end I cut them off and with some effort (files, pliers, bigger pliers and ingenuity) I was able to fit the T connector to the 4200mAh LiFePo. There was no fire here apart from my rising exasperation in not being able to unsolder / solder the cables.
Sometime back I made a 2S2P pack from “Wombled” Vape batteries for Mrs. LLD’s Roberts Revival FM/AM portable radio. This is often used in the summer house where there is no mains power. A 2S2P pack made from 13350 cells gives 8.4V on full charge and has a 1000mAh capacity. It powers the radio for months. Last summer I was asked to look at the radio as there was an issue and the issue was the battery pack was flat. Brought inside and put on charge… some hours pass… radio working FB. I must have dislodged a wire because it became a 2S1P pack. I only noticed this when it had discharged too quickly. It’s been waiting to be re-soldered for some time as the radio is not in use. As I was fixing battery packs I re-soldered the missing wire.
And then there was a “hey what’s hot?” moment. Followed by a “hey what’s clicking?” moment. Followed by “hey what the hell is producing smoke?” moment. Followed by much swearing as the cell re-soldered was bulging and very damn hot. I was able to snip the wire and the smoke stopped. Both the pair of paralleled cells were stupidly hot.
They’ve been removed from service and 2 more from the 30+ spare 13350 cells are in circuit and the pack is OK. All I can assume was one cell was fully charged and the other was very discharged and a significant number of electrons flowed from one cell to the other to balance the voltage. Both have bulges which are new so I wouldn’t use them and certainly not passing to Mrs. LLD for her to use them.
So a bit of shack excitement I could have done without.
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But check which is positive. Yours has black heat shrink on the socket so not sure if this is indicating the polarity?
Been there, done that.
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Thats the one. The heat shrink is to just cover the exposed connectors.