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Electric Battery-Charger-pSupply
› Installing a Watt Meter on my charging system
01-15-2017 07:14 PM  23 months agoPost 21
DennisH

rrApprentice

Baton Rouge Louisiana USA

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Give Dennis a break, he has shown a pretty good level of safety with a capped water bottle and for all we know it could be empty.

I meant nothing about the water bottle and did not mean any harm. It was just a funny moment.
Kevin, I laughed about it to! It's all good! I was waiting for someone to rag me about my mess! I like tinkering with electronics.

You can see the Anderson Pliers in the picture to. I am trying those out as it's a great field alternative if you're in need. They are just too dang expensive to use.

Anyway, back to the drawing board,
Dennis

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01-16-2017 05:12 AM  23 months agoPost 22
pctomlin

rrVeteran

Texas

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That is the bad thing about this form of communication, no inflection to your typing so tongue in cheek is a total waste.

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01-18-2017 09:03 PM  23 months agoPost 23
Rojoalfa

rrVeteran

Punta de Mata, Monagas-Venezuela

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/
/

It is very useful to get measurements in your application.
Your ac outlet probably is 110 AC volts at 30 amp, so your installation can handle 3300 watts, so far.

Watch it! At 24 DC volts, your circuitry can handle 137 amps... More or less...

Other matter, prepare to power failure installing a rele fail open.
If you got a power failure and restore within seconds with batteries connected to balancing circuitry, your charger is going to be dead.

/

Saludos cordiales,

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01-18-2017 10:27 PM  23 months agoPost 24
DennisH

rrApprentice

Baton Rouge Louisiana USA

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Other matter, prepare to power failure installing a rele fail open.
If you got a power failure and restore within seconds with batteries connected to balancing circuitry, your charger is going to be dead.
An inline Battery Backup should do the job so this wouldn't happen.

Correct?

Dennis

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01-20-2017 11:43 AM  22 months agoPost 25
coolice

rrKey Veteran

Northamptonshire, England

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Hey All.

The main problem you have to protect against with iCharger DUO's is a sudden failure in one PSU, as this causes a high amp spike that the chargers are just not protected against.
An AC input fluctuation for a fraction of second will most likely be smoothed out by the PSU's themselves.

Some of you may not have seen it and having just seen this topic, I thought some of you might like to see it.

I have a unit that provide amp draw readings, protection against PSU failures and it would also cover any worry following an AC outage as it would need the user to restart the PSU's.
As well as other features.

Watch at YouTube

Ian Contessa

Ian Contessa
Team Robbe SchluterUK
Midland Helicopters

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01-20-2017 11:57 PM  22 months agoPost 26
Tyler

rrElite Veteran

Chicagoland area

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No pricing listed for coolice device here or on your website.

Enjoy things that money can buy IF you don't lose the things money can't buy.

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01-21-2017 04:01 PM  22 months agoPost 27
coolice

rrKey Veteran

Northamptonshire, England

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Hey buddy.

Sorry, I know you can't really advertise your own product so chose to leave the price off.
I'll message you.

Ian

Ian Contessa
Team Robbe SchluterUK
Midland Helicopters

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01-24-2017 02:04 PM  22 months agoPost 28
Rojoalfa

rrVeteran

Punta de Mata, Monagas-Venezuela

My Posts: All  Forum  Topic

/
/

Ok... Base on your review, I did some calculations to see potential problems in my tool room...

Charger hyperion 720i
Voltage DC 15.1 volts
Max current 5 amps.

Max Power delivered , 15.1 * 5 * 2, 151 watts, two batteries charging of 5000 mah.

AC outlet , 110 volts AC
Max AC outlet, 110 / 0.7071 = 155.56 volts AC
Max current on outlet, 151 watts / 155.56 volts, 0.97 amps.
AC outlet current, 0.97 * 0.7071 = 0.68 amps.

So, I need to install a Rele to handle 1 amp RMS , fail open, to protect my charger due to power failure.

In case of charge more than two lipo with more than 5000 mah each, I need To review the entire calculations.

/

Saludos cordiales,

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