Hobbykings new 5000mAh hardcase LiPos

Batteries, Chargers, and Battery Management Systems.
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Re: Hobbykings new 5000mAh hardcase LiPos

Post by texaspyro » Feb 01 2011 9:37pm

liveforphysics wrote:BTW- Since you're a pyro, you saw my flamethrower I made with Methy last weekend right?
Flamethower? I thought that was a ladies cigarette lighter :roll: There's a picture of my smallest cigarette lighter in this post:

http://endless-sphere.com/forums/viewto ... ar#p285822

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Re: Hobbykings new 5000mAh hardcase LiPos

Post by torker » Feb 01 2011 9:44pm

http://endless-sphere.com/forums/viewto ... 6s+charger

I've been looking at this thread. About 180 dollars. Kinda pricey but nice. I have a Labvolt psu but haven't looked at it to see if it has the amps to run it.
Dave When I die I want to slide in sideways yelling WooHoo what a ride !

Giant Rincon w rear 9C 6*10 10s Lipo 30+ amps
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Re: Hobbykings new 5000mAh hardcase LiPos

Post by Lessss » Feb 01 2011 9:49pm

What charger do those packs use? Why do most hobby king chargers not come with a power supply.
Give me nuclear batteries I say!! Ripped off by Joshua Goldberg to the tune of almost $900 re headway groupbuy for batteries, no $ no batteries
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Re: Hobbykings new 5000mAh hardcase LiPos

Post by AussieJester » Feb 01 2011 9:57pm

liveforphysics wrote:
AussieJester wrote: Definitely is, the upside though, Luke may finally get his first functioning e-bike....worse case scenario, a heap more lipos to blow up... :mrgreen:

KiM
You're jumping to conclusion. I will find a way to make it unreliable and uneconomical. I am a master of this.
Methys post in his methods 26kwh Emoli bug build would support that...i guess
methods wrote: Luke told me on the phone today that he has a total of 3 miles on his ebike and 2.5 of those were pushing......
-methods
:lol: How is that LiPoly powered 18HP Twin Motor Brushless MONSTER build of yours going Luke? any closer to actually running?
pics/vidoes?

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Re: Hobbykings new 5000mAh hardcase LiPos

Post by grindz145 » Feb 02 2011 7:32am

SamTexas wrote:
grindz145 wrote: you still can't quite beat the $0.09/Wh of lead, for stationary applications, not the mention the shelf life.
Huh? Where can you buy lead-acid at that price?
Wal-mart....:) Checkout the deep cycle marine batteries for 100 bucks. It's not for ebike purposes, just UPS type of use, but I'm just illustrating how cheap they can be.

p.s.: http://www.shipstore.com/SS/HTML/BAT/BAT24M700.html

Just as a quick google search example, thats actually more like 7cents/Wh (It may actually be hard to get rated capacity out of it but thats another discussion)

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Re: Hobbykings new 5000mAh hardcase LiPos

Post by snowranger » Feb 02 2011 11:56am

Damn.. LFP bought them out. Hopefully, they'll have a 6s out soon.
Electric: BBS02 / Nuvinci Developer Kit / 14s Li
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Re: Hobbykings new 5000mAh hardcase LiPos

Post by torker » Feb 02 2011 12:22pm

Damn, So what is the next cheapest option for 16 or 18s? Or wait? :(

I actually want to put together a 15s pack and see if my stock cntlr. with 63v caps lives. This looks as close in price as I can get.http://www.hobbycity.com/hobbyking/stor ... oduct=9174
Dave When I die I want to slide in sideways yelling WooHoo what a ride !

Giant Rincon w rear 9C 6*10 10s Lipo 30+ amps
Specialized FSR Comp 9C 6*10 15s x 50A 3300 W :)
http://s18.photobucket.com/user/rolinfu ... t=3&page=1

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liveforphysics   100 GW

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Re: Hobbykings new 5000mAh hardcase LiPos

Post by liveforphysics » Feb 02 2011 12:42pm

snowranger wrote:Damn.. LFP bought them out. Hopefully, they'll have a 6s out soon.

HHAHAHAHAHAHAHA!!!! You snooze you lose! :mrgreen: :twisted: 8) :P

The hard-packs are generally only used for RC cars, and RC cars rarely go over 4s (95% are just 3S), so I wouldn't expect to see 5s or 6s hardpacks, but you never know. :)
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snowranger   10 kW

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Re: Hobbykings new 5000mAh hardcase LiPos

Post by snowranger » Feb 02 2011 1:06pm

Thanks for the explanation on the 4s. I couldn't pull the trigger fast enough, because I'm still deciding on accessories, bullet connectors, paralleling adapters, charging, heatshrink, etc.
Electric: BBS02 / Nuvinci Developer Kit / 14s Li
Bike : Yuba Mundo
Accessories: 12 volt lighting, 48V horn
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liveforphysics   100 GW

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Re: Hobbykings new 5000mAh hardcase LiPos

Post by liveforphysics » Feb 02 2011 2:23pm

snowranger wrote: I couldn't pull the trigger fast enough, because I'm still deciding on accessories, bullet connectors, paralleling adapters, charging, heatshrink, etc.
AKA, snoozing. :)
Each carcinogen vapor exposure includes a dice roll for cancer.

Each mutagen vapor exposure includes a dice roll for reproductive genetic defects in your children.

Each engine start sprays them into a shared atmosphere which includes beings not offered an opportunity to consent accepting these cancer experiences and defective genetics life experiences.

Every post is a free gift to the collective of minds composing the living bleeding edge of LEV development on our spaceship.

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Re: Hobbykings new 5000mAh hardcase LiPos

Post by vanilla ice » Feb 02 2011 2:54pm

Theres always the next great deal to be had, maybe better (got in my order in tho :) ) than this one. If they only had shipped a load of these to their USA warehouse offered for a slightly increased price.. Depending on how many you order you're looking at 6 to 12 dollars extra for freight on each pack on top of the $21.

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Re: Hobbykings new 5000mAh hardcase LiPos

Post by torker » Feb 02 2011 3:02pm

vanilla ice wrote:Theres always the next great deal to be had, maybe better (got in my order in tho :) ) than this one. If they only had shipped a load of these to their USA warehouse offered for a slightly increased price.. Depending on how many you order you're looking at 6 to 12 dollars each pack extra on top of the $21 per pack for delivery.
21 dollars a pack for shipping??
Dave When I die I want to slide in sideways yelling WooHoo what a ride !

Giant Rincon w rear 9C 6*10 10s Lipo 30+ amps
Specialized FSR Comp 9C 6*10 15s x 50A 3300 W :)
http://s18.photobucket.com/user/rolinfu ... t=3&page=1

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vanilla ice   100 MW

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Re: Hobbykings new 5000mAh hardcase LiPos

Post by vanilla ice » Feb 02 2011 3:04pm

6 to 12 shipping and 21 for the pack .. I edited my crappy sentence. :P

So total of $27 to $30+ per pack depending on how many you order. Still a good deal..
Last edited by vanilla ice on Feb 02 2011 5:41pm, edited 2 times in total.

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Re: Hobbykings new 5000mAh hardcase LiPos

Post by D-Man » Feb 02 2011 3:04pm

Cool battery. 60 batteries! Thats a lot of connectors. Sla's are a lazy man's battery. I'm lazy!
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grindz145   100 MW

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Re: Hobbykings new 5000mAh hardcase LiPos

Post by grindz145 » Feb 02 2011 5:01pm

I hope they end up with stock again soon. These are pretty wicked. Ill keep an eye on em.

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liveforphysics   100 GW

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Re: Hobbykings new 5000mAh hardcase LiPos

Post by liveforphysics » Feb 02 2011 5:08pm

D-Man wrote:Cool battery. 60 batteries! Thats a lot of connectors. Sla's are a lazy man's battery. I'm lazy!

I disagree. You build the pack once with these, and you're done messing around with it (unless you botch something). I guess it depends where you want to spend your efforts. I don't mind spending some work to build a pack if I know I'm not going to need to dick with it again for years.
Each carcinogen vapor exposure includes a dice roll for cancer.

Each mutagen vapor exposure includes a dice roll for reproductive genetic defects in your children.

Each engine start sprays them into a shared atmosphere which includes beings not offered an opportunity to consent accepting these cancer experiences and defective genetics life experiences.

Every post is a free gift to the collective of minds composing the living bleeding edge of LEV development on our spaceship.

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Re: Hobbykings new 5000mAh hardcase LiPos

Post by torker » Feb 02 2011 5:40pm

liveforphysics wrote:
D-Man wrote:Cool battery. 60 batteries! Thats a lot of connectors. Sla's are a lazy man's battery. I'm lazy!

I disagree. You build the pack once with these, and you're done messing around with it (unless you botch something). I guess it depends where you want to spend your efforts. I don't mind spending some work to build a pack if I know I'm not going to need to dick with it again for years.
Luke, say you build a pack out of four of these in series . Can you leave them all hooked up and bulk charge most of the time or do you have to separate them each time?
Dave When I die I want to slide in sideways yelling WooHoo what a ride !

Giant Rincon w rear 9C 6*10 10s Lipo 30+ amps
Specialized FSR Comp 9C 6*10 15s x 50A 3300 W :)
http://s18.photobucket.com/user/rolinfu ... t=3&page=1

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Re: Hobbykings new 5000mAh hardcase LiPos

Post by grindz145 » Mar 01 2011 7:45am

Not to undermine my own ability to get them.... but these are back in stock at HK!

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Re: Hobbykings new 5000mAh hardcase LiPos

Post by liveforphysics » Mar 01 2011 11:55am

Not saying anyone else is going to have the same experience,but I bought 60 of these packs, fully expecting to have some bad packs, (i only needed 54packs), and every single pack came in with cells at 3.86 to 3.83v. Not a dud in 60 packs

Either I luck out, they cherry pick my packs, they improved QC, these are quality packs, or a combo of those things.
Last edited by liveforphysics on Mar 01 2011 12:29pm, edited 1 time in total.
Each carcinogen vapor exposure includes a dice roll for cancer.

Each mutagen vapor exposure includes a dice roll for reproductive genetic defects in your children.

Each engine start sprays them into a shared atmosphere which includes beings not offered an opportunity to consent accepting these cancer experiences and defective genetics life experiences.

Every post is a free gift to the collective of minds composing the living bleeding edge of LEV development on our spaceship.

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Re: Hobbykings new 5000mAh hardcase LiPos

Post by Ypedal » Mar 01 2011 12:15pm

bastard....... :lol:
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Re: Hobbykings new 5000mAh hardcase LiPos

Post by vanilla ice » Mar 01 2011 12:29pm

So far so good with mine also.. and I don't get the special ones like LFP does!

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snowranger   10 kW

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Re: Hobbykings new 5000mAh hardcase LiPos

Post by snowranger » Mar 01 2011 1:24pm

liveforphysics wrote:Not saying anyone else is going to have the same experience,but I bought 60 of these packs, fully expecting to have some bad packs, (i only needed 54packs), and every single pack came in with cells at 3.86 to 3.83v. Not a dud in 60 packs

Either I luck out, they cherry pick my packs, they improved QC, these are quality packs, or a combo of those things.
Unless you've cycled them, how do you know they're all good? There was one cell on mine that started out about .03 volts lower than the rest. This one turned out to be 4 ah instead of 5. If you are talking about no dead cells, then that is a different story.
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Re: Hobbykings new 5000mAh hardcase LiPos

Post by dogman dan » Mar 02 2011 7:39am

In 26 packs now, of shrink wrapped batts, not one has arrived with a cell out of balance, not one with low voltage.

Perhaps one in 8 has needed an extra cycle or two to balance on the initial charge, no big deal, just normal break in stuff.

Two however, puffed pretty fast. One puffed in the shipping box, the other soon after. So 60 packs all arriving balanced at 3.8v or so is pretty normal I'd think now. They may be actually checking voltage again before shipping to the US perhaps? They know how fussy yanks are.

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Re: Hobbykings new 5000mAh hardcase LiPos

Post by grindz145 » Mar 02 2011 8:19am

For that price, you'd have to get alot of bad packs in order to not be worth the cost.

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Re: Hobbykings new 5000mAh hardcase LiPos

Post by parabellum » Mar 02 2011 9:05am

Just managed to order 10, before LFP gets them all again. I order them in small registered air mail (they go till 1.85kg and no lipo restriction), 3 packs each for 29U$ shipping + I order something small to complete the package.

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