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› Which 600w / 40A PSU?
04-05-2010 07:28 PM  8 years agoPost 1
duke666

rrKey Veteran

Hampshire, UK

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Ok guys, just interested in which PSU's you're using for the bigger more powerful chargers? There appears to be quite a bit of choice out there but, I want to know which ones actually work and deliver what they say they can.

Duke

OOOPPS............

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04-23-2010 06:57 AM  8 years agoPost 2
Ace Dude

rrProfessor

USA

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Take a look at the Iota DLS series.

  

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04-23-2010 01:26 PM  8 years agoPost 3
bob00

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Toronto, ON

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I've been using a couple IOTA DLS 55A PSUs for my big electrics for the last 6 years - they've been used a LOT and have worked very well.

The DLS-27-40 (27v, 40A) will probably be a good choice for these new high power chargers.
http://www.iotaengineering.com/dls2740.htm

- Rob

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04-23-2010 02:49 PM  8 years agoPost 4
Wingman77

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Pulaski Tennessee

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this is what I use.... 800 watt and 70A

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04-23-2010 03:16 PM  8 years agoPost 5
TJinGuy

rrProfessor

Socorro, NM - USA

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Sorry guys but I can not see spending $400+ on a PS even if it is built to last 2 lifetimes. If I was interested in a high current model, I would buy a pair of the 24V 350W (or 12V or 15V, your choice) models off eBay and simply tie them together in parallel. That would give you 700W of good solid output for $80. I have been using the 15V 350W model for about 8 months now and it has worked very well, even when exceeding its rated output. Plus if you ever needed more power, just tack on a 3rd and you have 1050W

But that is me and I usually do the opposite of what everyone else does

- Chris

Team New Mexico
TJinTech

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04-23-2010 03:35 PM  8 years agoPost 6
ESWLFSE

rrElite Veteran

Liberty Hill, TX

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Watch Ebay. I picked up a Deltron 14V 46A for $50. There are always plenty new, used, milsurp.

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04-23-2010 03:40 PM  8 years agoPost 7
nivlek

rrProfessor

Norfolk England

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If I was interested in a high current model, I would buy a pair of the 24V 350W (or 12V or 15V, your choice) models off eBay and simply tie them together in parallel.
Unless they have been designed with a share circuit and are intended to be used in parallel , I wouldn't do that .

At the end of the day , it gets dark .

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04-23-2010 03:55 PM  8 years agoPost 8
3Dmuse

rrApprentice

Ontario, Canada

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Iota DLS 13.6-14.2V 55A can be found for around $120 new on ebay if you are patient. Two of them in parallel will have you set up nicely for the new duo or quatro chargers. These PSUs are well built and reliable.

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04-23-2010 04:09 PM  8 years agoPost 9
Ace Dude

rrProfessor

USA

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Iota DLS 13.6-14.2V 55A can be found for around $120 new on ebay if you are patient. Two of them in parallel will have you set up nicely for the new duo or quatro chargers. These PSUs are well built and reliable.
You certainly wouldn't need two to power a DUO. One DLS-55 is capable of 750W out. The DUO requires a 350W power supply.

  

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04-23-2010 04:16 PM  8 years agoPost 10
3Dmuse

rrApprentice

Ontario, Canada

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You certainly wouldn't need two to power a DUO. One DLS-55 is capable of 750W out. The DUO requires a 350W power supply.
The Iota DSL 55A does provide enough power for a Hyperion DUO3, however any charger is limited in the amount of input current it can take and therefore it needs higher voltage to provide full output power when charging higher cell packs (wattage = voltage * amps). The manual for DUO3 says it needs more than 14.5V input to provide the full 180W output per port.

14V from IOTA DSL 55A allow my NET3 to give around 220W output of the max 250W when charging 6S packs.

Another example is the new Cellpro PowerLab charger which at >12V input gives up to 500W output, and at >24V input it gives up to 1000W output.

If one needs full output power from these new chargers, a quality >24V PSU is needed and it will provide a good charging setup for years.

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04-23-2010 04:20 PM  8 years agoPost 11
Wingman77

rrProfessor

Pulaski Tennessee

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what is the max input voltage for the DUO?

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04-23-2010 04:26 PM  8 years agoPost 12
3Dmuse

rrApprentice

Ontario, Canada

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what is the max input voltage for the DUO?
Max input voltage for DUO3 is 28V. You can find the manuals here http://media.hyperion.hk/dn/eos/

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04-23-2010 04:27 PM  8 years agoPost 13
Wingman77

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Pulaski Tennessee

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thanks

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04-23-2010 05:16 PM  8 years agoPost 14
Ace Dude

rrProfessor

USA

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The Iota DSL 55A does provide enough power for a Hyperion DUO3, however any charger is limited in the amount of input current it can take and therefore it needs higher voltage to provide full output power when charging higher cell packs (wattage = voltage * amps). The manual for DUO3 says it needs more than 14.5V input to provide the full 180W output per port.

14V from IOTA DSL 55A allow my NET3 to give around 220W output of the max 250W when charging 6S packs.

Another example is the new Cellpro PowerLab charger which at >12V input gives up to 500W output, and at >24V input it gives up to 1000W output.

If one needs full output power from these new chargers, a quality >24V PSU is needed and it will provide a good charging setup for years.
What you don't know is that most, if not all power supplies have some form of voltage output adjustment. Although the Iota DLS 12v series come calibrated for 13.6v/14.2v output since they designed as battery chargers there is an adjustment pot on the inside of the power supply and it can be adjusted up to 14.9v.

Lastly, it's ridiculous to recommend that someone buy another DLS power supply when only another 0.3v is required. Frankly, I wouldn't even worry about 0.3v.

One also needs to understand how their charger operates. Although the max input on the PL8 is 32v the charger does not benefit from anything > 24v input.

  

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04-23-2010 05:19 PM  8 years agoPost 15
Ace Dude

rrProfessor

USA

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Here's what the DUO3 manual says:

"It is critically important that you use either a fully charged 12V~24V lead-acid automobile battery (or better, deep-cycle marine battery) - or a high quality AC-DC power supply in the range of 12V to 28V DC output, with minimum current rating of 10A. When charging high voltage batteries at high current (charger output 360W) the AC/DC Power Supply (PS) should be 15V minimum with rating of 350W or more, to insure reliable performance."

  

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04-23-2010 05:21 PM  8 years agoPost 16
nivlek

rrProfessor

Norfolk England

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Although the Iota DLS 12v series come calibrated for 13.6v/14.2v output since they designed as battery chargers there is an adjustment pot on the inside of the power supply and it can be adjusted up to 14.9v.
If you increase the output by adjusting the internal pot , you may possibly trigger the OVP (over voltage protection) .

At the end of the day , it gets dark .

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04-23-2010 05:38 PM  8 years agoPost 17
3Dmuse

rrApprentice

Ontario, Canada

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What you don't know is that most, if not all power supplies have some form of voltage output adjustment. Although the Iota DLS 12v series come calibrated for 13.6v/14.2v output since they designed as battery chargers there is an adjustment pot on the inside of the power supply and it can be adjusted up to 14.9v.

Lastly, it's ridiculous to recommend that someone buy another DLS power supply when only another 0.3v is required. Frankly, I wouldn't even worry about 0.3v.

One also needs to understand how their charger operates. Although the max input on the PL8 is 32v the charger does not benefit from anything > 24v input.
Ace Dude, please read my statements again. I did not recommend buying another IOTA for only 0.3V benefit, but for the high power chargers that are already on the market or will soon be hitting the market:

''Iota DLS 13.6-14.2V 55A can be found for around $120 new on ebay if you are patient. Two of them in parallel will have you set up nicely for the new duo or quatro chargers.''

''If one needs full output power from these new chargers, a quality >24V PSU is needed and it will provide a good charging setup for years.''

My advices is prospective thinking, if one does not want to buy a power supply every year or so. Having two identical PSUs is a flexible setup as you could use only one for the chargers that don't work at higher voltage, and both of them for the new chargers. Of course, you have all the right to have it your way, but please don't be quick in using words such as ''ridiculous'' without good arguments.

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04-23-2010 05:44 PM  8 years agoPost 18
Ace Dude

rrProfessor

USA

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If you increase the output by adjusting the internal pot , you may possibly trigger the OVP (over voltage protection) .
I confirmed with an Iota Engineer that it can be adjusted up to 14.9v.

  

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04-23-2010 05:48 PM  8 years agoPost 19
3Dmuse

rrApprentice

Ontario, Canada

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I confirmed with an Iota Engineer that it can be adjusted up to 14.9v.
Thanks, that's good to know. Even so, this power supply won't allow you to get 1000W from a PowerLab8 (you need at least 24V for that) or from the Super DUO or the 14S charger that Hyperion will soon release. That was my point.

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04-23-2010 06:02 PM  8 years agoPost 20
Ace Dude

rrProfessor

USA

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''Iota DLS 13.6-14.2V 55A can be found for around $120 new on ebay if you are patient. Two of them in parallel will have you set up nicely for the new duo or quatro chargers.''

''If one needs full output power from these new chargers, a quality >24V PSU is needed and it will provide a good charging setup for years.''
Note that the ones eBay typically do not come with any warranty. For a few bucks more can buy one from an authorized Iota reseller and get the warranty.

Yes, a lot of the new chargers require a 24v or greater input in order to achieve their full rated output. However, it's important to match the requirements with the application. Not everyone wants or needs to get every last watt out of their charger or has huge growth plans in the future.

  

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