hipwell Posted July 20, 2014 Share Posted July 20, 2014 Just seen the new extreme nano techs on hobbyking and they have got a 7500mah 2s 90c on there for 37 quid. How long do you think this would last running a 13.5 boosted tourer for racing on a small track geared at 7.3fdr? Only reason I ask is that sometimes we don't get many people on race night and only have 2 or 3 heats so I don't get chance to fully charge my pack between races, currently I use a 5600 nanotech. Races are 5 minutes and we usually have 4 rounds. If a 7500mah could kick out strong voltage for 10 minutes or more then that would be perfect Quote Link to comment Share on other sites More sharing options...
samshirley001 Posted July 20, 2014 Share Posted July 20, 2014 i took out 2100-ish running 5 mins 13.5t at cotswold, 13.5 boosted geared for neary 7, loads of boost and timing. Quote Link to comment Share on other sites More sharing options...
BenK Posted July 21, 2014 Share Posted July 21, 2014 Same Here, usually take out about 2000 mah out of my battery so you could easily run 3 times before charging, just set your lipo cut-of on your esc! Quote Link to comment Share on other sites More sharing options...
ratman Posted July 21, 2014 Share Posted July 21, 2014 For the price cant really go wrong but i dont think we really need the capacity of that, i think id go for a lower mah but nice high c rating to keep the weight down. If ur running a boosted 4.5 the caoacity ma be needed a bit more Quote Link to comment Share on other sites More sharing options...
ta05 Posted July 21, 2014 Share Posted July 21, 2014 you may need to balance the car a lot left to right, giving you a heavier car. Which in turn will possibly affect the handling. Quote Link to comment Share on other sites More sharing options...
tappy Posted July 21, 2014 Share Posted July 21, 2014 I run 13.5 boosted with a similar FDR on a smallish indoor track. I typically take about 1300mah out of the battery per run. That includes a minute or so warm up before each run. Would it not be better to just get two regular capacity batteries rather than one big one? It'd make the car easier to balance. I'd highly recommend the nanotechs, they're excellent batteries. It's a shame they're not BRCA approved. Quote Link to comment Share on other sites More sharing options...
hipwell Posted July 21, 2014 Author Share Posted July 21, 2014 Yeah that makes sense tbh. I'd not actually checked the weight of em. Yeah nanotechs are great, although mine got took a hit last week and all the casing cracked which I'm gutted about as it's fairly new l. Quote Link to comment Share on other sites More sharing options...
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