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Old 04-29-2026 | 10:43 AM
  #38  
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Roelof
Tech Lord
 
Joined: Aug 2007
Posts: 14,052
From: Holland
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Originally Posted by Roelof
Try Ovonic. They are cheaper than Zee and in several online tests they come out much better. Last for my upcoming races I have bought 2 Ovonic shorties for just 26 euro a piece.
Originally Posted by Roelof
OK, I got my 1st race with these batteries. Not really presentable with only 3 drivers but 1 of them became last year European champion with the Fronti cars and the other guy is just an experienced electric racer. To be honest, I am no toplevel guy but for sure also no backmarker. For me this was a new type of car on old used tires I got from a friend using not the best tire sauce (LRP carpet I had from 10 years ago)
We are running with the ETS rules so the HW 17.5 turn G2.1 motor and the Juststock G2 (I have) and G3 esc's with the 17.500 RPM limiter activated running an minimum FDR of 4.0. There were 2 qualification heats and 3 finals. It was late on the evening and there was a lot of damp in the air witch caused also some wet spots on the curbs with which I made some mistakes probably because the older tires and not the right tire sauce but it was a fun drive. I was not expecting to fight the EU champion but I had some fun with the other guy.
In short words, the cheap Ovonic batteries did not let me down. Next time I do have new tires and the right and fresh grip sauce and also a better experience of how to drive these cars.

The last final with the best fun moments:


I did not measure the IR yet, that will be next time but in between the heats I did discharge them with 35A to condition them (the 1st real time they were used) and they do get hand warm, on the other hand a 7 minute drive just used about 1300mAh making an average of 12A, not shocking high. At the end with my (homemade) discharger I did discharge them with 35A to 3.7v, after finishing they did rise to 3.8v a cell and stored them for the next time.
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