FPV Workshop

FPV batteries

FPV 4S vs 6S: choose the right battery

The battery affects thrust, temperature, weight and flight time. Choose it together with motor KV, ESC voltage limits and the rest of the electronics.

Check a battery in the builder

What to compare

Voltage

4S is often simpler for beginners; 6S can be efficient but needs compatible parts.

Capacity

More mAh also means more weight, so bigger is not always better.

C rating

Look for enough current delivery for the motors and props you choose.