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Mar 20, 2005, 10:52 AM
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18650 lithium ion 2400mah cylinderical battery with 10C to 15C discharge rate ????

Need some directions there I can find a new type of lithiun ion battery with a high discharge rate -- their referred to as 18650 type, an A- size type cylinderical battery, rated at 2400mah or greater -- if you know there I can secure some of these, please drop me a line -- thanks and happy flying !!! -- Steve Van Wagner
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Mar 20, 2005, 11:14 AM
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these are most likely based on Lithium Mangan technology (look under Konions or Mangan on google or this forum). Great batteries - they can not burn violently (no lithium). They are however twice as heavy than lithium ions. they weigh about half as much as nimh. Usually you can not get them in the US (though you can import them from Europe for a nominal fee. For whatever reason in the US people have not latched on to them (In Germany and UK they are quite popular.) In Europe one cell costs around $10-15. Most likely your 2400mah capacity is a two cell combination - so it should cost around $20 per cell.
there are several different makes of these - some are good for 15C and more (up to 20C and even 50C (very short bursts)). some other makes are only good for 7C. So it depends which ones you have. Also Sony is coming up with a one cell 2600maH cell sometime this summer (supposedly).
let us know what price you are looking at for your cells and if you have any experience on the true C rating.

Mar 20, 2005, 11:49 AM
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The 2400mAh 18650-size cells are low-discharge versions for consumer electronics use. The high-discharge 18650-size cells are typically more in the 1200mAh range. The most readily available version in the U.S. would be the Flion at Diversity Model Aircraft. See the third cell down at the following site:
Mar 21, 2014, 11:14 AM
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I believe that these are perfect for what you are looking they are 2000mah and can give up to 25 amps
Samsung INR18650-20R
Mar 21, 2014, 11:19 AM
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Good to know about the Samsung cells but I suspect that the OP has found a suitable answer in the past 9 years....
Mar 21, 2014, 11:21 AM
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I'll never understand how some of these threads get dragged up.

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