product description:
The power bank has 2 output ports to charge laptop. One is 12V, which also fits 12±2V;
The other is 20V, which also fits 20±2V.
So, check which plug is suitable for your laptop. After you make the power bank connected with your laptop, you need to press the button to turn it on, but no need to press when charging smartphones.
The power bank supports 12V*2.5A=30W（maximum up to 35W） and 20V*3A=60W(maximum up to 80W), and it does work well within these numerals. Laptop connector/Adapter included in the Package (DC 5.5*2.1mm to below adapter) :
A:6.0/1.4mm FUJITSU/SONY
C:5.5/2.5mm ACER/ASUS/IBM/DELL/HP/COMPAQ/FUJITSU/TOSHIBA/NEC
E:5.5/1.7mm Acer
F:4.8/1.7mm HP
H:5.0/1.0mm Samsung
I:7.4/0.6mm(or 7.4/5.0mm) DELL/HP
K:7.9/0.9mm(or 7.9/5.5mm) IBM/LENOVO
L:3.0/1.1mm Samsung
O:4.5/3.0mm only for HP, can not be used for Dell Laptop
Lenovo: fits for LENOVO laptop with square head with a thread in the middle
If you adapter is not included as above, pls contact seller for online help.
Tips: Low shutdown current for 5V port:70mA
Low shutdown current for 12V port:150mA
Low shutdown current for 20V port:200mA
High shutdown current for 20V port:>5A
If your laptop turn off automatically for several seconds or minutes, it may caused by overcurrent protection. Please close the screen of your laptop, and then use our power bank to charge the laptop.
Can charge Surface Pro 3(but need buy the cable yourself-DC5.5*2.1mm to surface pro connector)
Cann t charge Surface Pro 4(DC 15V)
Can not take on airplane
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