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Help zone

Laptop power supply - what voltage?

When choosing a new power supply for your laptop, you should check the voltage of the charger - this parameter should match your original device.


When choosing a new power supply for your laptop, you should check the voltage of the charger -...

Is it allowed to connect a power supply with higher amperage?

Definitely yes. Please do not forget, however, that the output voltage [V] must be the same as in the original power supply.


Definitely yes. Please do not forget, however, that the output voltage [V] must be the same as in...

Is it possible to connect a weaker power supply to the laptop?

Using an AC adapter with a lower amperage than the original can cause a number of adverse changes in the operation of your laptop. For example, a power supply that is too weak can overheat because the laptop's components are not being supplied with sufficient power. We therefore recommend that you use chargers with the same or higher amperage.


Using an AC adapter with a lower amperage than the original can cause a number of adverse changes...
Charger / AC Adapter RDY 19.5V 4.62A 90W for HP 250 G2 ProBook 650 G2 G3 Pavilion 15-N 15-N025SW 15-N065SW 15-N070SW
Charger / AC Adapter RDY 20V 6.75A 135W for Lenovo Y70 Y50-70 Y70 Y70-70 Y520 Y700 Z710 700-15ISK ThinkPad W540 T440p
Charger / AC Adapter RDY 19.5V 6.15A 120W for Lenovo IdeaPad Y510p Y550p Y560 Y570 Y580 Z500 Z570 MSI GE60 GE70 GP70
Charger / AC Adapter RDY 19.5V 2.31A 45W for HP 250 G2 G3 G4 G5 255 G2 G3 G4 G5, HP ProBook 450 G3 G4 650 G2 G3
Charger / AC Adapter RDY 19.5V 3.34A 65W for Dell Inspiron 15 3543 3558 3559 5552 5558 5559 5568 17 5758 5759
Charger / AC Adapter RDY 20V 2.25A 45W for Lenovo IdeaPad 100 100-15IBD 100-15IBY 100s-14IBR 110 110-15IBR Yoga 510
Charger / AC Adapter RDY 19V 4.74A 90W for HP Pavilion DV6500 DV6700 DV9000 DV9500 Compaq 6720s 6730b 6820s
Charger / AC Adapter RDY 19V 6.3A 120W for Asus G56 G60 K73 K73S K73SD K73SV F750 X750 MSI GE70 GT780
Charger / AC Adapter RDY 19V 2.37A 45W for Toshiba Satellite C50D C75D C670D C870D U940 U945 Portege Z830 Z930
Charger / AC Adapter RDY 20V 2.25A 45W for Lenovo G50-30 G50-70 G505 Z50-70 ThinkPad T440 T450 IdeaPad S210
Charger / AC Adapter RDY 19V 3.42A 65W for AsusPro BU400 BU400A PU551 PU551L PU551LA PU551LD PU551J PU551JA
Charger / AC Adapter RDY 19V 3.42A 65W for Acer Aspire S7 S7-392 S7-393 Samsung NP530U4E NP730U3E NP740U3E
£14,95
£16,95
£15,95
£9,95
Voltage: 19.5V
Product code: AD75ARDY+KAB21
£9,95
£9,95
£7,95
£15,95
£12,95
Voltage: 20V
Product code: AD64RDY+KAB21
£9,95
Voltage: 19V
Product code: AD72RDY+KAB21
£9,95
£9,95
Showing 25 - 36 of 36 items