liitokala 21700 5000mah rechargeable battery 40a 3.7v 10c discharge high power batteries for high-power appliances and box

li-ion rechargeable battery specifications: 1. rated capacity: 5000mah 2. the highest short-peak discharge cc: 15a 3. rated voltage: 3.7v 4. working temperature: charging (0~50 degrees celsius) discharge (-20~60 degrees celsius) 5. cut-off discharge voltage: 2.5v 6. charging upper limit voltage: 4.20±0.05v 7. charging method: cc / cv 4.20v 8. charging time (standard): 4.0 hours 9. standard charging circuit: 0.2c a 10. charging circuit: 0.5c a 11. standard discharge circuit: 0.2c a 12. fast discharge current: 0.5c a 13. maximum discharge current: 2c a 14. weight: about 87g 15. size: 21 * 70mm 16. version: flat 17. color: yellow and black