Is there a worse feeling then when you're trying to enjoy your summer at a gig or on a night out and you spend your time fretfully glancing at your iPhone as the battery withers away with no charger in sight?

€19 for an UltraPower backup battery charger for your iPhone or iPod including delivery within the Republic of Ireland, from Warehouz (value €44).

The battery life in iPhones make you feel like you own a landline seeing as it spends most of its time plugged in charging. With the summer in full swing the last thing you want is to be worrying about your phone or iPod going dead when you're busy having the craic.

With this great little gadget you can give your battery a boost without needing to plug it into a power source. You simply charge the UltraPower backup battery and then can carry it around with you for whenever you need an emergency charge. Plug it into the bottom of your phone and the job's a good'un.

It charges in 2.5 hours and you can still use your phone as it's charging. You can charge it at a gig, on the bus, Hell you could even charge it at 4 in the morning outside Coppers.