Battery capacity has proven to be a serious barrier to true mobile computing. Tim Dean looks at how the technology is evolving.

What can a vendor-controlled comparison of notebook technology teach us? Plenty – but not in the way it was intended. Read on as we expose HP’s notebook ‘Reliability Challenge’.

How easy is it to replace a battery? Ty Pendlebury investigates when internal batteries can cost you a trip to a service centre.

Almost a year on the issue is still burning.

Hybrid device combines advantages of capacitors and alkaline batteries.

While many ultraportable laptops, like the Toshiba R200 go all out to get size and weight to an absolute minimum, a great deal of usability is often sacrificed – the X505 is impractically small for constant daily usage while the R200 has limited battery sizes.

Even if the flexible, paper-thin screen is the undisputed killer app of display technology, it will never get out of the lab if its tied to present-day battery technology. Batteries have, its true, im

Dell has waited several years to release its own PDA, and now committed to Pocket PC, Dell's main weapon is aggressive pricing that's on the verge of insane.

Impressive and free antivirus and antispyware package

No local announcement has yet been made on whether Australian iPod owners can apply for the compensation offered to US users who sued Apple, alleging iPod batteries didn't perform as advertised.

Incredible design and amazing battery life makes the G118 a tempting mobile option.

Replacement programme designed to address overheating 'concerns'.

Firm insists there is no safety risk.

Small but perfectly formed, the D420 has hours of battery life and loads of features and great ergonomics.

High-ranking executive to 'look after product quality'.

The Toshiba e740 Pocket PC is the third PDA from Toshiba released in the past year, and is targeted at the business user. This does not mean its a bland PDA, as it is the fastest on the market thanks to its 400MHz Intel Xscale processor.

Sony does it again with a Notebook to die for.

Some BL-5C batteries may overheat during charging.

With new, supercharged battery life, the new iPods offer superb design and performance. But compatibility caveats remain.

With solid-state media still expensive and offering limited capacity, MP3 players with hard disks seem like the perfect solution.