Product Specification: Battery capacity: 25000mAh Battery type: li-polymer battery DC Input: 19V/2A TYPE-C Output: 5V/9V/12V 3A (max) USB Output1: 5V/9V/12V 3A (max) USB Output2: 5V/9V/12V 3A (max) DC Output: 5V/8.4V/9V/12V 3A (max) 16V(16.5V)/20V(19V, 19.5V) 4.7A (max) Compatibillty: MacBook, MacBook pro, notebooks, digital camera, Projector,psp, wireless router, tablet PCs, cell phones, etc. 28 Laptop Connectors: 1.4.8*1.7mm for HP,Compaq,Datle 2.5.0*1.1mm for Samsung 3.5.5*1.7mm for Acer 4.5.5*2.1mm for Acer,SONY 5.5.5*2.1mm for Benq,Acer,Toshiba,Compaq,NEC,IBM,HP 6.5.5*2.5mm for Datle,Fljitsu,Liteonit,Dell,IBM,HP,ASUS,Compaq 7.6.3*3.0mm for Toshiba,Acer,NEC 8.6.4*4.4mm for SONY,Fljitsu,Samsung 9.3 pin for DELL 10.4 pin for Toshiba 11.7.4*5.0mm for HP,DELL11.7.4*5.0mm for HP,DELL 12.4.5*3.0mm for HP,ASUS ZenBook UX501(19.5V 6.32A) For Folio 9470m C8K20PA 13.for old iphone laptop 14.7.9*5.5mm for lenove, IBM, Thinkpad 15.2.0*0.5mm for Nokia 16.for Lenovo Thinkpad Ultrabook X230S/S3/S5/X1/E431... Yoga11s/Yoga 13 17.2.5*0.7mm for the most tablet pcs 18.4.0*1.35mm for ASUS 19.3.5 Mono 20.3.0*1.0mm for Acer S5, S7, W700, X313, M3 21.3.5*1.35mm for Dell, Sharp 22.4.0*1.7mm for Asus, Benq, Acer, Sony 23.4.8*1.7mm for HP, ASUS, NEC, Datle, Compaq 24.5.0*2.1mm 25.5.5*1.5mm 26.5.5*2.5mm 27.5.5*2.5mm for Lenovo 28.5.5*2.5mm Package Contents: 1 x 25000mAh Laptop Power Bank 1 x Mulitifunction Bag 1 x Charger 1 x Magsafe2 Cable 1 x DC Cable 1 x USB Cable 28 x Laptop Charge Connector 1 x Use Manual Tip: To charge laptop with DC output port, double click the button to adjust the voltage of the power bank to what your laptop needs first. Click "Add to Cart" above to get your portable charger today!