aluminum portable external battery portable power bank for laptop

1.Safety: It has multiple circuit protection systems,can avoid

over charging,over discharging,over current,short circuit etc

2.Popular: Fashionable,durable,colorful,portable,useful,etc. 

3.Good quality: 100% strictly tested before dilivery.

4.High efficiency: Power efficiency > 90%  that use A level

battery cell and intelligently circuit .

5.Convenient: small size easy carry and duall usb output can

charge iPad and moble phone together at anytime.

6.High compatible:charge for iPhone,iPad,smart

phones,Tablet PC,digital cameras,MP3,MP4, PDA,etc. 

7.Samples for free: Anytime to provide free sample to customer for test.