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Bego Racing

 

Flight Packs

As most of you know C rates have basically gone out of control in the past few years and are basically just used for marketing to try and sell packs. SMC is well known as a leader in the RC car Lipo market as we offer very good packs at very good pricing. We decided to bring our quality packs to the flight market. We will start with a few models and expand the line as it grows. 

Since C rates have become useless we decided to come out with our own rating system that will mean something. We have done allot of research and communicated with some very well respected guys on RC Groups who have done allot of battery testing and helped us better understand what is important to the flight customer.

All SMC packs are built by what we feel to be one of the best factories in China. Critical materials are imported from Japan to optimize cycle life and consistency from batch to batch. 

SMC True Spec Rating:

Every pack will be rated by Amps. In theory amps is pretty much the same as C rate but the difference with our Amp rating is that we're actually listing how we get the results so anyone can do the same testing and confirm our rating. This means true results you can count on.

All testing is done at 22 degrees Celsius 72 Fahrenheit. The pack and room must be at this temperature for testing.

All testing will be done on a 3S pack to limit the watts when testing but this will still provide more heating than a single cell or a 2S pack.

mAh: The pack must provide the rated mAh under a 1C discharge down to 3V cutoff per cell. This is tested on a iCharger 4010 Duo set at 1C charge to 4.20V charge termination.

Amp Rate: The pack must handle the Amp rate and the cell voltage must stay above 3.5V per cell for 50% or more of the discharge. 

Temperature: The pack must be 75 degrees Celsius 167 degrees Fahrenheit or lower after a 85% discharge at the claimed Amp rate. The reason why we use 75 degrees Celsius is due to a constant Amp discharge in lab conditions actually gets the pack hotter than it would in actual flight. We use 85% of the packs rated mAh to cutoff the discharge as we feel packs shouldn't get discharged lower than this under load to maximize cycle life.

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