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Old Aug 13, 2010, 12:25 PM
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Boulder, CO USA
Joined Jul 2010
348 Posts
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Help to choose a right battery

I am new here, but I am in electric sailplane for about 8 months. In aircraft area, the weight is critical, so we choose Lipo battery. In car and boat area, I think the weight is not so critical, so long life might be important. Between NiMH and Lipo, if the capacity (2000 mah) and price (about $10) are similar, which battery do you choose? Thanks,

Xiaoyu,
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Old Aug 13, 2010, 12:45 PM
Air, Ground & Water
freechip's Avatar
Canada, ON, Rockland
Joined Aug 2008
24,598 Posts
If they you are asking if I would chose between a NIxx 2000mah or a LIPO 2000mah I would hands down select the lipo and never look back.

Lipo will weight less.
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Old Aug 13, 2010, 01:02 PM
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Boulder, CO USA
Joined Jul 2010
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How is comparing the life time between these two batteries?
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Old Aug 13, 2010, 04:16 PM
Air, Ground & Water
freechip's Avatar
Canada, ON, Rockland
Joined Aug 2008
24,598 Posts
LOL that my friend is entirely up to you and how you use and abuse them and sometimes its not even up to you and the packs suddenly just decides to fail.

What I learn in my over 15years of experience is that in my case and I am sure in others as well is that its not the pack that is going to fail but your the one whos going to damage it and in this case it wont matter the overall life cycles between the two.

Some mite say one over the other BUT bottom line is that you are going to get a much better performance with LIPO.

Once you go lipo you will never look back, just remember to get a decent lipo BALANCING charger if you go lipo.
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Old Aug 13, 2010, 10:20 PM
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Boulder, CO USA
Joined Jul 2010
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Thanks,

I noticed that the Max. discharge rate, like 15C, 20C...are listed for Lipo batteries, but nothing is listed for NiMH. Why?
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