Translations:KAVAN Beta 1400 - Instruction manual/67/en

From KAVAN RC Wiki

6) Disconnect the flight battery from the charger; LEDs will glow green, indicating the charger is ready to charge another pack. Unplug the charger from the mains socket if you are not charging another battery.

Caution: Charge the LiPo battery with the battery charger included in the RC Set or with a fully compatible charger that assures a safe charge to the LiPo pack. Always follow the safety precautions as laid down in the manufacturer’s manual.