Replies to This Discussion

ModeratorPermalink Reply by Brian on January 17, 2010 at 9:04am

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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ModeratorPermalink Reply by Chris Anderson on January 17, 2010 at 9:22am

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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ModeratorPermalink Reply by Brian on January 17, 2010 at 9:48am

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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ModeratorPermalink Reply by Graham Dyer on January 17, 2010 at 9:51am

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 January 21, 2010 at 5:38pm

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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ModeratorPermalink Reply by Chris Anderson on January 21, 2010 at 8:45pm

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 January 25, 2010 at 4:56pm

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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ModeratorPermalink Reply by Thomas J Coyle III on January 25, 2010 at 5:33pm

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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ModeratorPermalink Reply by Chris Anderson on January 25, 2010 at 6:14pm

It was just on the left of the page. Here.

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Permalink Reply by Grant Parker on February 1, 2010 at 8:11pm

Thanks. That helps a lot. :)

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Permalink Reply by Grant Parker on February 5, 2010 at 3:33pm

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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ModeratorPermalink Reply by Thomas J Coyle III on February 5, 2010 at 5:09pm

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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