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Old 12-13-2011, 12:39 PM   #1
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Default Bump box lipos

What lipos work best for my bump box? Not sure what I should buy.
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Old 12-13-2011, 12:41 PM   #2
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What lipos work best for my bump box? Not sure what I should buy.
Just about any 4S lipo should be good to go. You don't need to get crazy with an extremely high C rating or Capacity. I use 3300mA and 25C. It is plenty and was about $30.
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Old 12-13-2011, 01:27 PM   #3
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Just about any 4S lipo should be good to go. You don't need to get crazy with an extremely high C rating or Capacity. I use 3300mA and 25C. It is plenty and was about $30.
+1
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Old 12-13-2011, 03:40 PM   #4
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This is what I use http://www.amainhobbies.com/product_...k-2100mAh-148V
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Old 12-13-2011, 03:52 PM   #5
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hobbyking 4S lipos. Cant beat the price.

Mine has been in the box 1 year now
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Old 12-13-2011, 04:03 PM   #6
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Do you just need one of those?
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Old 12-13-2011, 04:14 PM   #7
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I have one 2200 4s- 25c HobbyKing lipo in my OFNA truggy start 10244 box, it has plenty of power.
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Old 12-13-2011, 05:30 PM   #8
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thinking of getting one of these. how long does it last. i.e. race weekend?
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Old 12-13-2011, 05:42 PM   #9
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hobbyking 4S lipos. Cant beat the price.

Mine has been in the box 1 year now
Yup
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Old 12-13-2011, 07:59 PM   #10
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Any of the mentioned 4s lipos will do. Be sure to balance charge them and they will last a while. Mine is 2 years old.
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Old 12-13-2011, 08:15 PM   #11
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Originally Posted by ben73 View Post
hobbyking 4S lipos. Cant beat the price.

Mine has been in the box 1 year now
+1 Ben, I'm oso using this :-

http://www.hobbyking.com/hobbyking/s...4S1P_20C_.html
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Old 12-13-2011, 10:18 PM   #12
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I went way overkill with a 5200 and charge it once every 4 to 6 weeks. This covers practice, heats and mains, often with more than just me using it. It takes 750 to 1250 during a balance charge. If your engine is in good shape and tuned right there is not much load on the battery. (i also never crank my engines unless they have been preheated) If you have to wind it up every time for 15 to 30 seconds to get it started then go for big numbers.
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Old 12-13-2011, 10:27 PM   #13
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I am using this: http://www.hobbyking.com/hobbyking/s...idProduct=8852
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Old 12-13-2011, 11:50 PM   #14
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I run a 2200mah 4s 20c in a Mugen Pro starter box. It's a damn light start box combo!

After a race weekend (several practices, two quals, mains) it'll drop to maybe 14.8-15.4 volts or so depending how much I use it. I don't sit there cranking the starter box... Usually only takes a bump on my engines to get them going. I always cycle and recharge it before a race... no big deal to just charge another pack. But I have gone three race weekends no problem.

One thing I would recommend that I don't think has been mentioned yet, run a voltage alarm like this one or similar. At least this way you won't smoke a lipo.
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Old 12-13-2011, 11:50 PM   #15
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Quote:
Originally Posted by coneman View Post
thinking of getting one of these. how long does it last. i.e. race weekend?
I use a 2200mah 4s and can go all weekend 3day race no prob charge on Fri morn and only like 3/4 dead on sun night. Starting 3 cars 3quels and mains normaly. Hope this helps.
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