When using a 220V power supply, it typically takes around 60 minutes to completely charge two TB60 Intelligent Flight Batteries, and approximately 30 minutes to charge them from 20% to 90%.

However, if a 110V power supply is used, it generally takes about 70 minutes to fully charge the two TB60 Intelligent Flight Batteries, and approximately 40 minutes to charge them from 20% to 90%.