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Tips to improve laptop battery life, please.

Go to solution Solved by Pixelfie,

1. No, the laptop will stop charging the battery and the power will be used to run the laptop. Once you unplug it it will start using the battery.

2. Yes, only do it once in a while for calibrating the battery. Once or twice a year, not more.

3. That helps a lot. My laptop still has 70% health after 3 years but my friends with the exact same laptop have like 40% after 3 years. Difference is I set a charging limit to 80 and they didn't.

Hello, I am using laptop since last three or four years and I had no idea on how to maintain laptop battery health until recently I checked my battery capacity which has come down from it's full capacity 41mWh to just 16mWh, I know lithium ion battery capacity comes down gradually but I would like to get some inputs on maintaining better life for more time.
Some of the doubts which I already have are..

1.Can we leave the wall power connected to laptop all the time? 
2. Charging to 100% and allowing it completely discharge below 20% is bad?
3. Is 40%-80% battery charging good for better battery?

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1. No, the laptop will stop charging the battery and the power will be used to run the laptop. Once you unplug it it will start using the battery.

2. Yes, only do it once in a while for calibrating the battery. Once or twice a year, not more.

3. That helps a lot. My laptop still has 70% health after 3 years but my friends with the exact same laptop have like 40% after 3 years. Difference is I set a charging limit to 80 and they didn't.

Quote or tag me so I get notified 🙂 Also mark my post as answer if it answered your question!

 

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37 minutes ago, Pixelfie said:

1. No, the laptop will stop charging the battery and the power will be used to run the laptop. Once you unplug it it will start using the battery.

2. Yes, only do it once in a while for calibrating the battery. Once or twice a year, not more.

3. That helps a lot. My laptop still has 70% health after 3 years but my friends with the exact same laptop have like 40% after 3 years. Difference is I set a charging limit to 80 and they didn't.

Thank you, my doubt on 2nd and 3rd is clear.

But I am sorry, regarding the 1st question, so is it safe to leave the wall power on ?? Like, limit to 80% and let the power supply be on all the time, just like desktop, it won't affect the battery, right?

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8 minutes ago, suraj ranjan said:

Like, limit to 80% and let the power supply be on all the time, just like desktop, it won't affect the battery, right?

Limiting it is important because batteries actually hate being kept at 100% all the time.

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5 minutes ago, Benji said:

Limiting it is important because batteries actually hate being kept at 100% all the time.

Yes yes, I have done that but I wasn't sure if it's okay to leave the power on all the time....?🤔

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If the system reliably limits it, the answer should be "yes" for all I know.

Back then when laptops had removable batteries, it was a better option to charge the battery between, like, 40 and 80%, remove it and power the laptop from the charger only. Nowadays that's pretty much impossible for all I know, one reason being that quite a few laptops have underpowered chargers that couldn't power the entire system fully. Some laptops actually lose battery charge under load because they also have to use the battery to power the components and the charger is pinned. Not to mention, good luck finding a laptop with a removable battery that doesn't require disassembling the device.

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45 minutes ago, suraj ranjan said:

Thank you, my doubt on 2nd and 3rd is clear.

But I am sorry, regarding the 1st question, so is it safe to leave the wall power on ?? Like, limit to 80% and let the power supply be on all the time, just like desktop, it won't affect the battery, right?

Yes, because the battery won't overcharge

Quote or tag me so I get notified 🙂 Also mark my post as answer if it answered your question!

 

GPU MSI Gaming X RX 5500 XT 8gb | CPU Intel Core i5-10400F | Motherboard ASRock B460M Pro4 | Memory HyperX Fury RGB 2x8gb 3200 CL16 | Storage Crucial MX500 500gb (Windows + some games), Crucial BX500 120gb (ZorinOS), Seagate Barracuda Compute 2tb (storage) | PSU Corsair RM650x (2018) | CPU cooler Cooler Master Hyper 212 RGB Black Edition | Monitor AOC C24G2 | Mouse Logitech G703 Hero | Keyboard Drevo Seer Max (Gateron Brown) | Headset Steelseries Arctis 3 (2019) | Mousepad Steelseries QCK

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1 minute ago, Pixelfie said:

Yes, because the battery won't overcharge

Alright, thank you 🙂

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