Yep, thats it. Kind of a low C rating, but running 4s in a CRT.5 means very small amp spikes so the battery does well in it.
On 4s that truck must scream! My truck in the above pic will be run on 3s....
1. MBX-6 T8 1900KV, RX8 ON 4S
2. MBX-5T 1520, MMM ON 5S
3. MBX-5 ONROAD CONVERSION 1515, MMM ON 5S
4. MRX-3 ON ROAD CONVERSION 1512, MMM ON 6S
5. TEN T 2650 T8, MMP ON 3S