1. Before using, please pair two TB55 Intelligent Flight Batteries together and give them matching marks. This is to ensure the best battery performance, by making sure the two batteries are charged and discharged together.
2. The TB55 intelligent Flight Batteries' ideal storage temperature range is 22°C to 30 °C. Please store the batteries in a waterproof and moisture proof container.
3. If the batteries have been idle for more than ten days, discharge the battery level to between 40% to 65% and recharge the battery every three months to maintain the battery's activity.