Question: Can I use Li-ion 18650 cells instead of LiPo in an RC plane?
Answer: You can use 18650 Li-ion cells in an RC plane, but there are important considerations. LiPo batteries are designed for high current output and lightweight performance, which suits RC planes well. 18650 cells typically have lower discharge rates and are heavier, potentially reducing flight time and performance.
If you decide to use 18650 cells, ensure you connect enough cells in series and parallel to match the voltage and current requirements of your motor and ESC. Use a proper battery management system (BMS) for safe charging and discharging. Also, check the continuous discharge rating of your cells; it should meet or exceed your plane’s current draw.
Step-by-step:
1. Calculate your voltage and current needs.
2. Choose 18650 cells with a suitable continuous discharge rating (usually 10-20A or higher).
3. Assemble cells in a balanced pack with appropriate wiring.
4. Use a BMS for safety.
5. Test your setup carefully on the ground before flying.
Remember, 18650 packs are bulkier and heavier, so expect changes in flight dynamics.
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