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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 20V 3.25A 65W for Lenovo IdeaPad 100-15IBD 110-15ACL 110-15ISK 310-15ISK 320-15IKB 320-15ISK
Charger / AC Adapter RDY 20V 4.5A 90W for Lenovo B570 G550 G570 G575 G770 G780 G580 G585 IdeaPad P580 Z510 Z580 Z585
RDY Charger / AC Adapter for Laptop Lenovo T60 T61 X60 Z60 T400 SL500
Charger / AC Adapter RDY 20V 3.25A 65W for Lenovo B560 B570 G530 G550 G560 G575 G580 G580a G585 IdeaPad Z560 Z570
Charger / AC Adapter RDY 20V 3.25A 65W for Lenovo B50 G50 G50-30 G50-45 G50-70 G50-80 G500 G500s G505 G700 G710 Z50
Charger / AC Adapter RDY 20V 4.5A 90W for Lenovo G500s G505s G510 G510s Z500 Z510 Z710 Z51 Z51-70 ThinkPad X1 Carbon
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 20V 2.25A 45W for Lenovo IdeaPad 100 100-15IBD 100-15IBY 100s-14IBR 110 110-15IBR Yoga 510
Charger / AC Adapter RDY 20V 2.25A 45W for Lenovo G50-30 G50-70 G505 Z50-70 ThinkPad T440 T450 IdeaPad S210
Voltage: 20V
Product code: AD123RDY+KAB21
£9,95
£9,95
Voltage: 20V
Product code: AD17RDY+KAB21
£9,95
£9,95
£9,95
£9,95
£16,95
£15,95
£9,95
Voltage: 20V
Product code: AD64RDY+KAB21
£9,95
Showing 1 - 10 of 10 items