I have a £20 lipo from HK in my 3VCS and it lasts for 16hrs of use before needing a charge.
I remove it from the tranny and balance charge it with my normal charger. Takes the same time as the car's lipo to charge at 2.3A (1c)
I found with mine once the voltage got to 10v it dropped very fast and cut out (if anyone remembers the Ledbury 2wd regional my car just stopped dead in the middle of the straight lol) so the alarm never goes off. I just tend to charge it back up when it gets to low 10's. Full it reads 12.6v
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