Lowest Toolpack Pricing

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Re: Lowest Toolpack Pricing

Postby dequinox » Tue Jun 08, 2010 6:43 pm

veloman wrote:Seems like there a few of these Bosch Fatpack replacements with higher ah:

http://www.needbattery.com/searchView/3 ... efx=FR00GX

108 wh for $80


I think they're lying about that. If you look in the large image of the pack you can see 2.2 Ah printed on the pack... :cry:

Does anyone know what cells they use in these milwaukee XC packs?

http://www.toolking.com/milwaukee-48-11 ... lt-battery
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Re: Lowest Toolpack Pricing

Postby webfootguy » Tue Jun 08, 2010 7:13 pm

dequinox wrote:
Does anyone know what cells they use in these milwaukee XC packs?

http://www.toolking.com/milwaukee-48-11 ... lt-battery


This link (http://dewaltownersgroup.com/index.php?topic=204.0) claims Samsung INR18650 13Q Cells or the E-Moli IMR-18650E Cells but I'm not sure what a "refurbished" pack would have in it.
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Re: Lowest Toolpack Pricing

Postby dequinox » Tue Jun 08, 2010 8:06 pm

Oh ok, good enough for me. I don't really mind anyways as long as these little packs have some on board cell monitoring/management...or don't need it. I've heard from Doc that the konions in the bosch packs don't really need management, so I think I might go that route. It seems cheaper than many options and more reliable.

@Doc- Do you know what discharge rates the bosch fatpacks can handle? ...or if you could maybe point me in the direction of the fat-pack thread if there is one? I .... questions but I think I decided to go a tool-pack route! :mrgreen:


EDIT: Nevermind, I found the fatpack/konion thread :)
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HI-V: Brushed 900 watt currie, Yiyun yk43b controller, 25s8p Sanyo Nicads (Batteries graciously donated by greenerwheels)
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Re: Lowest Toolpack Pricing

Postby Evoforce » Tue Jun 15, 2010 2:30 am

Why would you go this route when you can get a 48V 20ah LiFePo4 for $250~$300 +$166 shipping from HK in less than a week? This also includes the BMS and 5 amp charger!
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Re: Lowest Toolpack Pricing

Postby ambroseliao » Tue Jun 15, 2010 11:16 am

We do it because many of us have gone the Chinese duct tape 18650 route and found lots of problems with them. Primarily, the problems of reliability and power output. The Sony/Konions are much higher quality, and can put out gobs of power, and use fewer cells which minimizes troubleshooting issues of trying to figure out which of the hundreds of 18650s used in these duct tape packs are bad. Have you ever taken a duct-tape pack apart? It's not for the faint of heart.

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Re: Lowest Toolpack Pricing

Postby dequinox » Tue Jun 15, 2010 11:31 am

I agree, the duct tape battery route sounds sketchy, and I really don't want to have to deal with a return or QA issue from hong kong. You have to pay the return shipping on that sh!t if it goes south...

Plus the ease of a format like gary's multi-dewalt pack setup is very attractive to me. The idea that if a pack goes bad I only have to open up one unit that holds 2ah worth of cells to make any repairs sounds much easier than digging through duct tape.

Ambrose, do the bosch packs have their own LVC/HVC?
What is matter? Never mind.
What is mind? No matter.

- Thomas Hewitt Key

STABLE:
HI-V: Brushed 900 watt currie, Yiyun yk43b controller, 25s8p Sanyo Nicads (Batteries graciously donated by greenerwheels)
(Currently building) Push-E: Push-trailer, Aotema brushed 20" hub motor, 48v LiFePO4 (Parts generously donated by Rassy)
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Re: Lowest Toolpack Pricing

Postby ambroseliao » Tue Jun 15, 2010 12:09 pm

The Bosch Fat Packs (BFPs) have some very basic circuitry in them in the battery connector. I've removed the LED circuitry and the temperature sensor circuitry from mine and just wire them directly to my controller through some 3 to 1 Anderson PowerPole connectors.

Here are some pics of the packs opened up.
IMG_1878.jpg

IMG_1880.jpg

IMG_1881.jpg


More pics in the next reply.

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Last edited by ambroseliao on Tue Jun 15, 2010 12:30 pm, edited 1 time in total.
http://www.ebikes.ca/ is the best!

3x TidalForce M-750, 1x Tidalforce S-750 with Crystalyte HS3540, 1x TF iO-X Cruiser, 1x TF iO Cruiser Step-Through. ebikes.ca DrainBrain & Cycle Analyst meters. GoPro HD Hero2 camera. A123 20Ah batteries. 18S 10Ah LiPO, Bosch Fat Pack 37V batteries.
My blog: http://ebikerider.blogspot.com
Remember LiFEPo4 HVC is 3.65V and LVC is 2.7V
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Re: Lowest Toolpack Pricing

Postby ambroseliao » Tue Jun 15, 2010 12:11 pm

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Ambrose
http://www.ebikes.ca/ is the best!

3x TidalForce M-750, 1x Tidalforce S-750 with Crystalyte HS3540, 1x TF iO-X Cruiser, 1x TF iO Cruiser Step-Through. ebikes.ca DrainBrain & Cycle Analyst meters. GoPro HD Hero2 camera. A123 20Ah batteries. 18S 10Ah LiPO, Bosch Fat Pack 37V batteries.
My blog: http://ebikerider.blogspot.com
Remember LiFEPo4 HVC is 3.65V and LVC is 2.7V
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Re: Lowest Toolpack Pricing

Postby webfootguy » Mon Nov 08, 2010 11:42 am

After a long dry spell, Tool King has the 28 volt Dewalt packs (DC9280) back in stock again for $49.99. Each pack has 8 A123Systems M1 26650 cells.

http://www.toolking.com/dewalt-dc9280-2 ... no-battery
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Re: Lowest Toolpack Pricing

Postby webfootguy » Tue Nov 09, 2010 12:06 pm

The price for 8 cell DeWALT packs at toolking.com has just jumped from $49.99 to $69.99.
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Re: Lowest Toolpack Pricing

Postby webfootguy » Wed Feb 02, 2011 11:56 am

After a long spell of out of stock, toolking has the DC9280 packs in stock for a special price (today only) of $59.99.

link: http://www.toolking.com/dewalt-dc9280-28-volt-lithium-ion-nano-battery
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Re:Ryobi

Postby motomech » Sun Feb 13, 2011 7:06 pm

What about this "deal" on Ebay?
6 used Ryobi 18V lithiums that the seller claims are 80%.
Current bid is $71, but the shipping from China is a whopping $166.
The seller, hobbyway10 has 100% feedback, states that he lot's of them and will "try our best to resolve your issue.".
At the buyer's shipping expense.
He also states, "Our company has a large quantity in stocks, if you are interested in the product,please contact me ASAP!
A large order quantity price will be lower !".
Don't know much about these packs except that they use Emoli cells.

http://cgi.ebay.com/6-Ryobi-18-Volt-Cor ... 27b89fcada
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