Can I Replace LiPo Batteries with Li-ion 18650 Cells in an RC Plane?

on

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 have a high discharge rate and are lightweight, making them ideal for RC planes that require bursts of power. In contrast, 18650 cells typically have lower discharge rates and are heavier, which may reduce performance and flight time.

Steps to follow if you want to try 18650 cells:

  1. Check the continuous discharge rating (CDR) of your 18650 cells. Ensure it meets or exceeds your plane’s motor current requirements.
  2. Use a proper battery holder or pack configuration to match the required voltage (e.g., 3 or 4 cells in series for 11.1V or 14.8V).
  3. Include a battery management system (BMS) to protect against overcharge, over-discharge, and balancing cells, as 18650s are usually individual cells.
  4. Test the setup on the ground to monitor temperature and voltage under load. Avoid overheating beyond 60°C.
  5. Be prepared for slightly reduced performance and increased weight compared to LiPo packs.

In summary, while you can use 18650 cells, LiPo batteries remain the better choice for most RC planes due to power and weight advantages.

Comments

Post a Comment