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R/C Tech Forums (https://www.rctech.net/forum/)
-   Radio and Electronics (https://www.rctech.net/forum/radio-electronics-137/)
-   -   SMC LIPO BATTERY THREAD (https://www.rctech.net/forum/radio-electronics/674886-smc-lipo-battery-thread.html)

timannnn6 04-13-2013 10:47 PM
Originally Posted by Rockthecatbox21 (Post 12043511)
That's not really true. I run deans on my 4s powered e-buggy, as do a lot of other drivers at my track. Traxxas, deans, ec5's all work well, but nothing beats a solid-type gold bullet connector.
4s, less amps, less heat. 2s, heavy short course, lots of amps, lots of heat. Just depends on application. I went with EC5 on short course and decided to change the rest of my cars. Have NEVER had an electrical issue since.

jwmustang 04-14-2013 06:16 AM
Originally Posted by Rockthecatbox21 (Post 12043511)
That's not really true. I run deans on my 4s powered e-buggy, as do a lot of other drivers at my track. Traxxas, deans, ec5's all work well, but nothing beats a solid-type gold bullet connector.
What do you mean? An EC5 is a bullet type of connector.

Hoese37 04-14-2013 08:49 AM
Originally Posted by jwmustang (Post 12044078)
What do you mean? An EC5 is a bullet type of connector.
He mans bullet connectors straight into the battery. No other connection break area.

ta_man 04-14-2013 06:11 PM
Originally Posted by Hoese37 (Post 12044447)
He mans bullet connectors straight into the battery. No other connection break area.
No difference between that and a hardwired battery with a bullet style connector like the EC5.

Well, one difference: any heat caused by resistance in the bullet connector doesn't end up in your battery.

Danny/SMC 04-15-2013 08:39 AM
A pack with inboard tubes and a wired pack will have the same resistance assuming the wire length to the ESC is the same. Solder connections is what and wire length is what increases resistance. Both style packs have the same solder connections.

As I explained it's very hard to offer packs with different connectors. Some like EC5 and others may like the XT60 or other connector.

For those running EC5 can you tell me if the male connector is solid or does it swivel ? Current flows on the surface so typically you want a good surface area and you want it solid.

timannnn6 04-15-2013 08:51 AM
Originally Posted by Danny/SMC (Post 12048133)
A pack with inboard tubes and a wired pack will have the same resistance assuming the wire length to the ESC is the same. Solder connections is what and wire length is what increases resistance. Both style packs have the same solder connections.

As I explained it's very hard to offer packs with different connectors. Some like EC5 and others may like the XT60 or other connector.

For those running EC5 can you tell me if the male connector is solid or does it swivel ? Current flows on the surface so typically you want a good surface area and you want it solid.
Male connector on mine is solid. Purchased from progressiverc.com

jwmustang 04-15-2013 11:00 AM
Mine swivels and the connectors are never hotter than the wires.:)

mbreslin 04-15-2013 11:08 AM
Any eta on 4s packs?

Thanks.

johnmo 04-15-2013 12:15 PM
Red warrior needs SHORTS baddly?

What's the ETA on shortys of any variety?

ta_man 04-15-2013 12:22 PM
Originally Posted by Danny/SMC (Post 12048133)
For those running EC5 can you tell me if the male connector is solid or does it swivel ? Current flows on the surface so typically you want a good surface area and you want it solid.
Just like with 4MM, some are solid (Losi and ProMatch (sorry)), some are birdcage (Hobbyking).

I use the hobbyking ones for nothing but charging.

Danny/SMC 04-15-2013 12:33 PM
Originally Posted by jwmustang (Post 12048659)
Mine swivels and the connectors are never hotter than the wires.:)
When the connector swivels this increases resistance.

Danny/SMC 04-15-2013 12:34 PM
Originally Posted by mbreslin (Post 12048683)
Any eta on 4s packs?

Thanks.
I believe middle of May will be the earliest we can get more but will keep pushing our suppliers to try and get them to us before then.

Danny/SMC 04-15-2013 12:35 PM
Originally Posted by johnmo (Post 12048930)
Red warrior needs SHORTS baddly?

What's the ETA on shortys of any variety?
4300-50C shorties should be in by the last week of April. For the 4600-70C still waiting on the date for this model.

Danny/SMC 04-15-2013 12:37 PM
Originally Posted by ta_man (Post 12048960)
Just like with 4MM, some are solid (Losi and ProMatch (sorry)), some are birdcage (Hobbyking).

I use the hobbyking ones for nothing but charging.
You also need it to be real copper. Have seen some made of Brass and they are very high in IR.

We only sell solid real copper 4mm connectors. Makes no sense to try and buy good packs and then increase resistance by using bad connectors.

Danny/SMC 04-17-2013 07:17 PM
Originally Posted by timannnn6 (Post 12048178)
Male connector on mine is solid. Purchased from progressiverc.com
Can you post a picture of the male connector in your EC5 connectors that are solid ? Seems like some of them have the split/swivel style male connector and the ones like you have which are solid. Would like to see a good picture of the solid male connector.

Thanks.


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