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Old 09-27-2023, 02:32 PM
  #16  
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Originally Posted by Rick Draper
I have the 458 Duo and just getting back into RC I thought I would ask for some advice.

What are the recommended charge and discharge rates for the following LiPos:

6000mah Reedy Zapper 2S
6100mah LRP graphite 2S
4250mah 4250 3S.
the old school safe rule is charge at 1c/1hour charge rate. So a 6000mah battery would charge at 6 amps. but realistically most modern lipos can charge safely at much faster rates. Like 3-5c+. If you ever go to a high competition 1/10 rc track most of all the fast guys charge and discharge at 40+amps. I personal charge all my batteries at 20-45amps
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Last edited by riceball777; 09-27-2023 at 06:49 PM.
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Old 09-27-2023, 02:36 PM
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I set my discharge limit to 25 amps since that's the wire soldered to my string of light bulbs.

Usually it'll be enough to warm up 2s and 1s lipos. Obviously 1s will get more amps during discharge. 4s won't get warmed up much. I generally charge at 20a.
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Old 10-01-2023, 08:30 PM
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Originally Posted by riceball777
I love mine. Works great. I charge lots of my batteries at 45amps no problem and can discharge my 2s at 45 amps with a resistor bank. You definitely going to want to run this with a powerful 24volt power supply. 12 volt power supply will be super limiting in terms of charging power.


I have the 456 model that I mainly use to charge 2 cells Lipo, may I ask whats the advantage of using 24V power supply over normal 12V?
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Old 10-01-2023, 10:18 PM
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Originally Posted by dameetz
I have the 456 model that I mainly use to charge 2 cells Lipo, may I ask whats the advantage of using 24V power supply over normal 12V?
The input has a current limit on it, so using a higher voltage allows you to reach the higher power levels. Probably not worthwhile for only using 2S.
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Old 10-02-2023, 01:08 AM
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Originally Posted by dameetz
I have the 456 model that I mainly use to charge 2 cells Lipo, may I ask whats the advantage of using 24V power supply over normal 12V?
for 2s lipo there is no advantage. Most 12 volt power supply’s have enough power for you to charge two 2s lipo at the max rate of 45 amps but 12 volt is not enough to charge 4s or 6s lipo’s at 45 amps, lets alone two 4s or 6s lipo’s at the same time.

just remember volts times amps =watts

this charger has an input limit of 50amps per 1 channels or 70amps combined for both channels. So 12 volts x 50 amps =600 watts of available power for you to use to charge your battery. With 600 watts I can only charge my 6s battery at about 23amps. But if I use a 24volt power supply like I have in my pictures now I have 1200watts of power so I can now charge my 6s lipo at the max charge rate of 45amps

some 12 volt power supplies advertise some thing like 12 volts at 85 amps and 1020watts. You will never get close to 1000watts because the problem is the volts are too low. You can’t use that many input amps you need the volts to be higher.
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Old 10-02-2023, 06:42 PM
  #21  
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Thanks for the infos.
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Old 01-09-2024, 04:51 PM
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Looking around for XT90 balance boards. Can't find one to charge my 2S Rx packs for 8th scale buggy. None have the servo input lead on them all. Seems they are all just XT, EC3/5, Deans and a weird red 2 pin that wont fit my Rx pack servo lead.

New to this model currently have a 410D. I've never used XT connectors before as outputs.

Can anyone link me?

Greatly appreciated guys!
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Old 01-09-2024, 05:38 PM
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Originally Posted by jkurz211
Looking around for XT90 balance boards. Can't find one to charge my 2S Rx packs for 8th scale buggy. None have the servo input lead on them all. Seems they are all just XT, EC3/5, Deans and a weird red 2 pin that wont fit my Rx pack servo lead.

New to this model currently have a 410D. I've never used XT connectors before as outputs.

Can anyone link me?

Greatly appreciated guys!
Balance boards generally don't have the main power connector on them, they just have the JST balance leads.
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Old 01-09-2024, 07:49 PM
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Originally Posted by jkurz211
Looking around for XT90 balance boards. Can't find one to charge my 2S Rx packs for 8th scale buggy. None have the servo input lead on them all. Seems they are all just XT, EC3/5, Deans and a weird red 2 pin that wont fit my Rx pack servo lead.

New to this model currently have a 410D. I've never used XT connectors before as outputs.

Can anyone link me?

Greatly appreciated guys!
Just get an adapter to change the JST connector to the servo connector
https://www.amazon.com/2Pairs-Mirtho.../dp/B07ZKKRKGF

Last edited by disaster999; 01-09-2024 at 08:04 PM.
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Old 01-10-2024, 08:30 AM
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Originally Posted by disaster999
Just get an adapter to change the JST connector to the servo connector
https://www.amazon.com/2Pairs-Mirtho.../dp/B07ZKKRKGF
I think you might have misunderstood or I might have mistyped what I'm looking for.

My balance boards/cables from my 410 duo do not fit this new chargers balance port. I'm needing somebody to link me to the correct balance, port cable and balance board.
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Old 01-10-2024, 08:31 AM
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I was able to cut the ends off my charging dongles that had banana plugs and I soldered the XT90s on so I'm good there. It's just the balance, port cable and board that I'm needing.
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Old 01-10-2024, 08:44 AM
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Originally Posted by jkurz211
I think you might have misunderstood or I might have mistyped what I'm looking for.

My balance boards/cables from my 410 duo do not fit this new chargers balance port. I'm needing somebody to link me to the correct balance, port cable and balance board.
It helps if you explain it a bit (a lot more) better what exactly te problem is.

There are 2 common types of balance connectors, today the JST XH is the most used. Then there are cables 3, 4, 5, 6 and 8 pole, most chargers today can handle lower pole connectors on their balance port.
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Old 01-10-2024, 08:53 AM
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Originally Posted by jkurz211
My balance boards/cables from my 410 duo do not fit this new chargers balance port. I'm needing somebody to link me to the correct balance, port cable and balance board.
If I understand this right, the balance cable for your previous 4010 is probably made for balancing up to 10S and is therefore wider than the port of the 458, which only supports up to 8S. I haven't checked, but i guess it's still the same type of connector, just the smaller version. Nothing to do with XT90 or such at all. And usually you use a charging lead that converts the standard balancing connectors to a servo style connector on the battery, I've never had a balance board that included this, so pretty normal, unless you forgot to tell us everything we need.
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Old 01-10-2024, 09:03 AM
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Originally Posted by riceball777
the alligator clips are to charge my 12 volt lead acid automotive car batteries at 45 amps. Works great for that. I also use it to charge and balance my 18650 and 21700 batteries in my power tools. Most of my rc 2s lipos are on 5mm bullets and my 4s and 6s rc lipos all use xt90.
Welp, that's a dead lead-acid battery.
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Old 01-10-2024, 10:04 AM
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Originally Posted by DirkW
If I understand this right, the balance cable for your previous 4010 is probably made for balancing up to 10S and is therefore wider than the port of the 458, which only supports up to 8S. I haven't checked, but i guess it's still the same type of connector, just the smaller version. Nothing to do with XT90 or such at all. And usually you use a charging lead that converts the standard balancing connectors to a servo style connector on the battery, I've never had a balance board that included this, so pretty normal, unless you forgot to tell us everything we need.
That was my bad on my explanation. I'm just needing the cable/board that goes into the balance port of the new charger. Could you share a link of what cable it uses.

Thx!
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