product description:
The external battery charger/power bank has 2 output ports to charge laptop,12V fit for 12±2V;20V fit for 20±2V. When you purchasing K2,plz check your laptop connector/Adapter at first: Laptop connector/Adapter in the Package(DC5.5*2.1mm to below adapter):
A:6.0/1.4(6.5*4.4mm)FUJITSU/SONY
C:5.5/2.5mm ACER/ASUS/IBM/DELL/HP/COMPAQ/FUJITSU/TOSHIBA/NEC
E:5.5/1.7mm Acer
F:4.8/1.7mmHP
H:5.0/1.0mm Samsung
I:7.4/0.6mm(or7.4/5.0mm) DELL/HP
Fordell:7.4/0.6mm(or7.4/5.0mm)DELL
K:7.9/0.9mm(or7.9/5.5mm) IBM/LENOVO
L:3.0/1.1mm Samsung
O:4.5/3.0mm only for HP, not fit for Dell Laptop.
Lenovo: fits for LENOVO laptop with square head with a thread in the middle
(Not suitable for Lenovo laptop with half solid and half hollow)
FOR DELL:4.5*3.0mm Dell laptop with 4.0*3.0mm
N:4.0*1.35mm ASUS laptop with 4.0*1.35mm connector
G:4.0*1.7mm Lenovo laptop with 4.0*1.7mm connector
Plz check the adapter size of your laptop and whether it is included as above.
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:>4.5A
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 K2 power bank to fully charged your laptop at first . If you are trying to power a Windows laptop and the battery keeps disconnecting over and over, You need to go into power setting: Find the setting for"Turn Harddrive off after"and set that to NEVER,and in power options DISABLER "Intel Cppc Energy Saving"How Can i Know Whether My Laptop Will Cause Power Bank Overcurrent or not?Plz check the label pasted on the adapter,if it is more than 90W (DC output current is more than 4.5A).
It may cause K2 turn off during charging for overcurrent.
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