Feeds

Zen and the Art of Laptop Battery Maintenance

Keep your notebook or netbook's power pack in tune

  • alert
  • submit to reddit

Internet Security Threat Report 2014

We all own more battery powered products than ever before, and in most cases those batteries are rechargeable. Laptops, music players, phones - they all have rechargeable power packs, almost all of them using lithium.

These batteries don't last forever. No matter what you do, their capacity to hold charge will decline over time, typically down to 80 per cent after 12-18 months in the case of laptop batteries.

17in MacBook Pro disassembled

Be nice to your battery and it'll be nice to you
Image courtesy iFixit.com

That's a range, not an absolute cut-off point, so how can we make these batteries last as long as possible? Ignoring the exceedingly rare risk of a fire, is there any way to ensure we get the best performance from our portable power supplies?

Follow some basic rules, and the answer is yes.

The model usage pattern is the mobile phone. Of all the rechargeable batteries we've used, the ones in phones have always proved to retain their capacity longer than batteries in laptops, cameras and MP3 players. It takes a long time, generally speaking, for a phone battery to reach the point where no matter how long you charge it, it goes from full to empty in a very short space of time.

Contrast that with the netbook battery sitting next to us, which although less than a year old will discharge from full in under 20 minutes. That's with the netbook just sitting there, screen on, connected to the internet. It should last eight times that.

The keys to battery longevity are regular usage and making sure cells are recharged before they become empty. Phone batteries typically take a couple of days to run down and tend not to be constantly on and off the charger during that period. Rather than waiting until the phone has so little power it switches off, most handset owners recharge their phones when they get a low-charge warning, usually around ten per cent capacity.

Laptop battery

Store carefully... but not in the freezer

This ensures a steady, even cycle of charge and discharge, and if there's an operating condition lithium batteries respond well to it's regularity.

Choosing a cloud hosting partner with confidence

More from The Register

next story
PEAK APPLE: iOS 8 is least popular Cupertino mobile OS in all of HUMAN HISTORY
'Nerd release' finally staggers past 50 per cent adoption
Tim Cook: The classic iPod HAD to DIE, and this is WHY
Apple, er, couldn’t get the parts for HDD models
Apple spent just ONE DOLLAR beefing up the latest iPad Air 2
New iPads look a lot like the old one. There's a reason for that
Google Glassholes are UNDATEABLE – HP exec
You need an emotional connection, says touchy-feely MD... We can do that
Caterham Seven 160 review: The Raspberry Pi of motoring
Back to driving's basics with a joyously legal high
prev story

Whitepapers

Why cloud backup?
Combining the latest advancements in disk-based backup with secure, integrated, cloud technologies offer organizations fast and assured recovery of their critical enterprise data.
Forging a new future with identity relationship management
Learn about ForgeRock's next generation IRM platform and how it is designed to empower CEOS's and enterprises to engage with consumers.
High Performance for All
While HPC is not new, it has traditionally been seen as a specialist area – is it now geared up to meet more mainstream requirements?
New hybrid storage solutions
Tackling data challenges through emerging hybrid storage solutions that enable optimum database performance whilst managing costs and increasingly large data stores.
Getting ahead of the compliance curve
Learn about new services that make it easy to discover and manage certificates across the enterprise and how to get ahead of the compliance curve.