Lots of guys say you don't need to balancea 2c lipo. I use that same charger and equinox balancer, just remember to switch it to interface mode and it will balance as charging.
You can use quick balance, it balances as it discharges. Then charge it in interface mode.
I don't like the losi lipo receiver packs, I've had 3 and they suddenly aren't seen by the charger, I suspect the losi battery box is so tight on the battery it stresses the battery wire and eventually it comes loose. I went back to nimh 1600, your spectrum receiver will handle the voltage, the thing to look out for is the servos.