Zippy Lipo Packs
It's been a while since I've been able to fly any of my planes. I had some bad luck with my lipos and had none to fly with. Nothing explosive just over drew and now they're dead!. So it's been even longer since I've purchased batts.
Recently I purchase several Zippy Flightmax 2200mah 20-30C packs from an e-bay reseller. I'm usually a little skeptical of batts on ebay which claim high C rattings so when I got these I was a little on edge. I know that the technology for lipo batts is ever-changing and packs are lighter/smaller than the packs that were available several years ago. Did I say that I'm a skeptic? Is this a true statement from others? Are they in fact lighter and smaller (while being higher in cap and C)? I know the packs I got are physically the same size as the 1800's that come with the Parkzone Trojans but have 400 more mah and the C is 20-30 versus 12.
Online I've not found a lot of bad regarding the Zippy packs outside of the balance plugs are a weak point so folks recommend taping them down.
Replies to This Discussion
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Permalink Reply by Brian on -
BTW - I tossed up my Stryker with a BAM and my new zippy pack and was definetly able to see and tell a difference. She was way TAIL heavy and super sensative, but was able to not drill it @ 90mph within the first 30 seconds with my rusty flying skills. I had to trim up a lot to comp for the lighter battery and the burst speed was faster so they seem to be working well...
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Permalink Reply by Chris Anderson on
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Yes, those are our workhorse batteries, and they're great. We've got about eight of them. They're available for $10.99 from HobbyKing. You should buy a half-dozen at least, and fly as long as you want.
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Permalink Reply by Brian on
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Online I found several videos that show them on a meter going over 100amps! I like big planes so these are great because you could pack a few together in a plane and spend a lot less $$$ than on a single big batt.
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Permalink Reply by Graham Dyer on -
LiPo's are improving all the time, my first one's (in 2005) gave me only 16 flights total but the ones that have lasted me the best have been Rhino's, my Zippy Flightmax's are well used and while they're still doing OK I can see and feel a power drop-off after 60 flights or so.
They're 5000mAh but now only give out around 4400mAh. For price/cycles they're pretty good value for money, best used at max 1/2 their rated 'C' for long life.
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Permalink Reply by Grant Parker on -
I was looking into getting the same batteries, but I was wondering: a) whether or not the packs came with a charger from HobbyKing, b) If not, which charger/balancer should I buy, and c) is there a way I can monitor my battery's charge while flying without having ardupilot or EagleTree?
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Your first two questions are answered on the HobbyKing site (no and use the one they recommend).
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Permalink Reply by Grant Parker on
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Thanks. :)
Hey, I can't seem to find where they list the recommended charger. It could just be me missing it though.
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Permalink Reply by Thomas J Coyle III on -
Grant,
I use this one from Hobby King:
www.hobbycity.com/hobbycity/store/uh_viewItem.asp?idProduct=7028&am...
Occasionally they will have it in their US warehouse for a slightly higher price, but lower shipping cost.
Regards,
TCIII
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It was just on the left of the page. Here.
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Permalink Reply by Grant Parker on
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Thanks. That helps a lot. :)
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Permalink Reply by Grant Parker on
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Hey, another quick question. I heard from a different site that you have to solder on the connectors to some zippy batteries. I was wondering if this one required soldering, and which connectors you guys recommend using?
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Permalink Reply by Thomas J Coyle III on
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Grant,
All of the Zippy 2200 mahr LiPos that I have bought from Hobby King had the Deans connector soldered on the battery power leads. Though the Zippy 4000 mahr LiPos came with the 4mm socket and pin barrel connectors.
Hope this helps.
Regards,
TCIII
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