... security,No fire,No explosionshape,size are welcomed customer-madeHigh power discharge perfomanceSuitable RC toys/plane/boats/guns etcHobby batteryrechargeable batteryLithium ... 4. Robot, Toys 5. Micro Slow Flyers, Park Flyers 6.3D airplanes Aerobatics 7. Wireless communication system 8. Electric Tools 9 ...