Dave Wilshere

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[TD]New energy for the best of models - with the new PowerPak range! PowerBox-Systems presents the next generation of PowerBox Battery series.

The PowerPak series boasts a whole array of new and innovative features. Various versions of thePowerPak are available: PRO and ECO, and each as an 8.4V pack for receiver power supplies, and a12.6V pack for turbine batteries.

The ECO version is fitted with an integral fully-featured balancer circuit and a charge socket. PowerPak ECO batteries can be charged using any suitable LiPo / Li-Ion charger.

Like all PowerBox Battery types, the PRO version features a fully integrated charge circuit and balancer unit. To charge these packs all you need is to connect the integral charge socket to a 110 V / 220 V mains PSU or a 12 V car adapter. Battery voltage, battery current and charge time are constantly monitored by the integral electronics, completely eliminating the possibility of operating errors.
The internal voltage monitor circuit indicates the battery’s state of charge using the integral LED, or an external plug-in LED.

Every version of the PowerPak is fitted inside a robust case, and is supplied complete with a standardised mounting frame.

All our battery packs are subject to a certified production process, including legally prescribed certification in accordance with UN38.3. It is therefore possible to ship these items.

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[TD]Battery type[/TD]
[TD="align: center"]PowerPak 2.5X2[/TD]
[TD="align: center"]PowerPak 5.0X2[/TD]
[TD="align: center"]PowerPak 2.5X3[/TD]
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[TD]Nominal capacity[/TD]
[TD="align: center"]2500mAh[/TD]
[TD="align: center"]5000mAh[/TD]
[TD="align: center"]2500mAh[/TD]
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[TD]Nominal voltage[/TD]
[TD="align: center"]7.4V[/TD]
[TD="align: center"]7.4V[/TD]
[TD="align: center"]11.1V[/TD]
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[TD]Charge cut-off voltage[/TD]
[TD="align: center"]8.4V[/TD]
[TD="align: center"]8.4V[/TD]
[TD="align: center"]12.6V[/TD]
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[TD]Charge voltage (PRO)[/TD]
[TD="align: center"]9 - 17V[/TD]
[TD="align: center"]9 - 17V[/TD]
[TD="align: center"]13,5 - 17V[/TD]
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[TD]Weight[/TD]
[TD="align: center"]125g[/TD]
[TD="align: center"]235g[/TD]
[TD="align: center"]191g[/TD]
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[TD]Weight of mounting frame[/TD]
[TD="colspan: 3, align: center"]8g[/TD]
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[TD]Discharge temperature range[/TD]
[TD="colspan: 3, align: center"]0°C bis 60°C[/TD]
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[TD]Charge temperature range[/TD]
[TD="colspan: 3, align: center"]0°C bis 40°C[/TD]
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mauryr

Powerbox always gives me the impression of excelling at solving problems that don't exist in the most costly way...
I am sure somebody will find the value of this product, but personally, I'll keep using my cheap hk batteries.

ww2birds

My Feedback: (14)

It's nice to see a supplier in the hobby that does real engineering, and produces the sort of accessories we need when the safety of flight depends upon them. I continue to be impressed by the PB guys, and am really looking forward to their line of radio equipment.

Dave

J.F

Yeah, I make tyres from old rubber bands, and use old cooking oil to power my $8k jet, because why not just buy the cheapest stuff you can get for it.
Whilst you don't have to buy the most expensive product, there is a fine line between austerity and idiocy.
I'm sure you'll get years of good service from your $2 dollar pack.

FenderBean

I run ions in all my jets and planes, slower charging but safe and you can get high mah with relative low weight. I am wondering why pb went with a 5000mah instead of the 5200/5400 like fromco and duralite?
i really like the case and mounts been I have almost bought the flat packs in the past but I didn't due to no ions.

mauryr

$2? I am actually powering my jets with freebie batteries I got about 4 years ago and they are all still in perfect condition. So good luck with your rubber bands and cooking oil

scoeroo

My Feedback: (9)

I run my truck on old cooking oil - its called bio diesel .......I produce it my self and have been since 2005 so what's wrong with that ? and mind you my truck is worth 6 figures
What a person chooses to run is their own prerogative

mauryr

Found this on the official page of the 'PRO' product


This leaves me wondering: how does this happen? Does the internal circuitry arbitrarily decide to light a resistor and discharge 20 Wh worth of energy in a completely unknown location? Potentially in a flammable airplane possibly containing fuels and stored in a closed space (car, basement, trailer, etc). Dave, do you have additional information about this feature?

ltc

My Feedback: (3)

I believe they are simply using the internal balancing transistors to slowly (i.e. low current) discharge the cells down to 3.8V.
Doing so is safe and does not generate sufficient heat to cause a safety or flammability concern.
If left to its own devices, the pack will reduce its voltage over time, primarily due to the self discharge rate of the battery itself; this is simply an extension of that same approach.

Harvey Mushman

My Feedback: (10)

Can the Powerpak ECO be charged through the main power leads, or must they be charged through the small Uni lead?

Dave Wilshere

The small uni lead if you want the pack to be balance charged...which you do really

Harvey Mushman

My Feedback: (10)

Thank you for your quick reply. I have a 2500 ECO that I plan to charge at 1 amp. Yes, I do want the battery to be balanced while it is charging. So are you saying that if I charge the ECO through the large connector it will bypass the balance circuit?

Desertlakesflying

My Feedback: (28)

I actually have an HK 3000mah 11.1v I think was 11 bucks with the sale they had at the time I bought about 4 years ago ...I have been using it in foamys and it has outlasted many name brand batteries,
I haven't gotten a bad HK battery in years and about 5 years ago I got 1 and they replaced it no problem.
So what's your point?
Don't be "that guy".

Dave Wilshere

Yes, if you charge in the MPX connector it won't balance as I understand it. Same on the original PB Li-Po packs

Dave

Harvey Mushman

My Feedback: (10)

OK, thanks Dave.

Harvey Mushman

My Feedback: (10)

Here's an email reply I just received from PowerBox:
>Hello Bob,You can charge over both, the JR connector or over the MPX Power connector. The balancer work always.

Kind regards / Mit freundlichen Grüßen
Emmerich Deutsch
Leiter Marketing und BetriebsorganisationPowerBox Systems GmbH>