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I've got three of these including two 40c's. They seemed like good value at the time but despite caring for them they all puffed quick quickly, one so bad it split the hard case. I have been using Lipos for years and these are the first that have ever puffed on me. I always balance charge at 1C, never get anywhere near the ESC cut-off and they had only been used for TC racing with low power motors (540's and 21.5) so it's not like they have been overworked. All the other brands I use are fine. Unfortunately I live overseas so won't risk mailing them back. Before puffing up they performed great, if anything the voltage is a bit higher than 7.4 and that equals speed with brushless. |
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