I've had about 75-80 charges on mine, charging at 4.4amps, and still get the same amount of performance and flight time as the first time i used it. Generally, just don't start charging it while it is still warm from the flight. Let 'er have a break.
I just got these via EMS shipping (2 days to US). I ordered 5 batteries and they all came in from 241g - 243g. They were all well balacned around 3.8v.
I've charged 2 up and tested on my Motrolfly 2820-950 and pulled 62A/900W! Compared to my 4s 2200 20C (53A/725W) that's a huge difference. I've yet to get a flight on these (will check in later with a 10-20 flight check) , but so far the bench test is impressive.
And the price is un-beatable!
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3 thumbs up!
OMG, Brilliant batteries. I bought 4 for a 1.2kg World Models Fiberglass MIG15 EDF. 68mm fan Turnigy 3200kv EDF Motor. Hand Launches without enen a hard toss, 6-7 minute flights and batteries are the only things that dont land hot. I have purchased 2 more. Excellent Hobby City Aplusplusplus