Q&A

Can I use a different charger for my HP laptop?

Can I use a different charger for my HP laptop?

The short answer is; No. You should never intentionally use another laptop’s charger on your laptop. Plugging a different charger that isn’t meant for your specific model will not lead to anything good. In fact, it may immediately, if not eventually, fry your battery and you will have to get a new one.

Can I use a different laptop charger with my laptop?

Using a charger with the wrong voltage rating can potentially damage your laptop. This is typically caused by too high voltage. But using a charger with too high current won’t damage your laptop. Using a charger with too low current rating might fry the power supply, but not the laptop.

What happens if I use another laptop charger?

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No. Though, you can use a charger of the same voltage (volts, V,) and the equal or higher current (Amps, A) than required by your laptop. For example 18V 3A (54Wats) charger can replace original charger 18V 2A (36Watts). Higher voltage charger will damage the laptop.

What happens if you charge a laptop with a 12V Charger?

That the DC voltage out on the charger does not exceed nor fall below the Voltage in on the laptop. If charger is 19v but laptop wants 12v that may damage the laptop. If it’s below 12v there won’t be enough power to charge the battery.

How many watts do laptop chargers have?

There are chargers with 45, 65, 90, 110, 170 watts. Perhaps more. Have all the the same voltage/ampere so I can use any of them? That will depend on the laptop model. Those are probably all 20V chargers (assuming you’re asking about recent Lenovo adapters) but the current available will vary.

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What is the charging voltage of Lenovo T440p?

I have a Lenovo T440p , the original charger is 20v 2.25a = 45W with Square pin. But I want to use as second charger the following: 20V 3.25 (65W) with circle pin (from a T420) + adaptar from circle pin to square pin.

Can I connect an hp power cord to a Lenovo laptop?

Of course – so long the HP cord plug fits in the Lenovo Laptop, the source power (from wall or backup battery) loads with 220–240V Standard -except sometimes in US /UK- (depending on Laptops Battery – check BEFORE on the backside of your Laptop) there it‘s no Problem to connect. Save up to 80\% on your next printer ink cartridges!

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