Cmopol-gh 40000 mah Model:p40l Lithium polymer battery,safe and more stable. Large-capacity battery life safe and safe,using polymer lithium battery,safe and light,will not explode,can be carried on the plane. Lower temperature when charging,high precision intelligent processor,up to 97% board end coversion rate,release more power under the same capacity,and the temperature is higher than charging the power supply is lower and safer.(MOQ3+)