Product: Aluminium Lithium-ion batteries \Lithium-ion Polymer Battery 103450/18650/033048/043048/053040 etc. Product SPEC: 1. 5c-20c Discharge Rate 2. High Safety, No Burning, No Explosion 3. Rapid Charge, Good High-rate Discharge 4. Low Self-discharge, Excellent Capacity Retention 5. Low Internal Resistance, Large Output Voltage widely Used In R/c Models, Toys, Electric Tools, Robots, Electric Bike, Electric Car Etc