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MadMark

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Sep 21, 2009
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The wire brush set looks useful, like having a 1/4 drive end that can be used in a drill.
But a little pricy at $20, they are just brushes after all.
 

firworks

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Any idea how long that Diesel jump starter would hold a charge if you charged it fully and left it in your trunk? I've always wondered if you can just leave those jumper packs charged and ready if your battery dies.
 
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Astro_Pneumatic_Tools

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Any idea how long that Diesel jump starter would hold a charge if you charged it fully and left it in your trunk? I've always wondered if you can just leave those jumper packs charged and ready if your battery dies.

We rate it at 6 months, but varying weather conditions (i.e. extreme heat or cold) will skew that slightly.
 

BikerDad

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We rate it at 6 months, but varying weather conditions (i.e. extreme heat or cold) will skew that slightly.

Define "extreme heat". I ask because "extreme cold" is pretty simple. Your car/truck/trunk never gets colder (other than A/C) than the outside temp. As far as getting hot goes, it's a whole nudder story. Temps inside a car or trunk can be 50+ degrees Fahrenheit higher than ambient temperatures. :scared:
 

Rickss96

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Some questions about your Diesel jump starter:
1. Why do you think this is a "diesel" jump starter? As you probably know, the diesel guys have real problems trying to jump-start with these small units. Any testing that has been done, especially at cold temperatures?

2. What type of battery is used, lead-acid, Ni-cad, or what?

3. Do the chargers have a trickle charge mode so they can be left connected all the time?

4. The description states that it can power a MacBook. MacBooks have different power connectors, a reference to an Apple part number would be useful here.
 
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Astro_Pneumatic_Tools

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Define "extreme heat". I ask because "extreme cold" is pretty simple. Your car/truck/trunk never gets colder (other than A/C) than the outside temp. As far as getting hot goes, it's a whole nudder story. Temps inside a car or trunk can be 50+ degrees Fahrenheit higher than ambient temperatures. :scared:

I live in So. Cal and keep mine under the seat and haven't had any issues in the summer months.
 
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Astro_Pneumatic_Tools

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Some questions about your Diesel jump starter:
1. Why do you think this is a "diesel" jump starter? As you probably know, the diesel guys have real problems trying to jump-start with these small units. Any testing that has been done, especially at cold temperatures?

2. What type of battery is used, lead-acid, Ni-cad, or what?

3. Do the chargers have a trickle charge mode so they can be left connected all the time?

4. The description states that it can power a MacBook. MacBooks have different power connectors, a reference to an Apple part number would be useful here.

Hi Rick,

1. Because that what we designed it for. When nearly all the units on the market were 12,00mAh and 400amps output we introduced the 17,000mAh 650amp 7785 to tackle the high compression and high amp drawing starters of diesel vehicles. The unit was developed alongside a F-350 6.0 Turbo Diesel and will turn over the truck with 1 completely dead battery and one nearly dead/low battery. Also works if you remove the battery entirely and just hook up this unit to the leads in tandem with the other battery. It's also been tested on tractors in freezing cold and is currently being tested by a tool reviewer on a diesel dump truck. Obviously it's not going to work on everything in the world and there are limitations, but it definitely provides the leg up vs similar sized units.

2. 66.6Wh triple stack lithium-ion polymer

3. It isn't actually a car battery charger, it's an electronics accessory charger and automotive jump starter. Wont trickle charge the car/truck battery.

4. Comparable to the MagSafe1, although I believe you can get adapters.

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Rickss96

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3. It isn't actually a car battery charger, it's an electronics accessory charger and automotive jump starter. Wont trickle charge the car/truck battery.

Quick response Chris, thanks! For #3 I was trying to refer to the AC wall charger and what appears to be a DC charger that plugs into a cigarette lighter socket. Didn't make that very clear.
 

alpaca

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Mar 13, 2014
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Astro Pneumatic, what is the difference between the 533ET and ONYX 203 pinstripe tools?
 

firworks

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What is the lump of heat shrink on the red cable for the jumpers? That looks pretty unfinished. I'm wondering what is going on there since it sorta looks like it broke in the past and was repaired, yet it is new.
 
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Astro_Pneumatic_Tools

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*Cracks knuckles*

Quick response Chris, thanks! For #3 I was trying to refer to the AC wall charger and what appears to be a DC charger that plugs into a cigarette lighter socket. Didn't make that very clear.
If you're asking if the unit will trickle charge the system (or act as a memory saver like OBD-II devices) via being connected to the car's cigarette/12DC port - then no. It actually just allows the user to charge the device while they're driving the car (every 3-6 months or so) so that it never needs to be taken out of the vehicle.

Astro Pneumatic, what is the difference between the 533ET and ONYX 203 pinstripe tools?
Basically, one is aluminum body and the other is a rubber sleeve covered aluminum body. The 533ET has a slight power advantage, but on an adhesive removal tool with gearing, it's not something I would highlight as a benefit. ONYX tools typically have a higher focus on design, fit and finish.

What is the lump of heat shrink on the red cable for the jumpers? That looks pretty unfinished. I'm wondering what is going on there since it sorta looks like it broke in the past and was repaired, yet it is new.
Most of them have the heat shrink around it, some of the newer shipments have this part in a plastic case. Just a luck of the draw, no other difference than appearance.
It's an array of 4 100-amp semiconducting diodes that prevent spikes of reverse current from traveling back towards the device. Basically a one way street for current. If these diodes received over 400amps back, they are designed to fail in hopes of saving the main unit.

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