Energizer has launched a new battery that promises to fuel gamers and gadget fans for longer.

The new Energizer Advanced Lithium battery promises to use the latest battery tech (yawn) to increase your gadgets lifespan by up to 20 hours longer (yay).

According to the battery maker, the new batteries, which also happen to be 33% lighter than their alkaline brethren are ideal for photographers and gamers.

In fact so sure is the company that they are doing a massive promotion around Rock Band 2 for roadies looking to get the most out of the music game between charges.

And if your planning on playing in Siberia or the north pole they might be doubly helpful as according to Energizer they new batteries "performs well in extreme temperatures from -40 degrees to 60 degrees C".

Energizer Advanced Lithium joins the company's existing Energizer Ultimate Lithium and Energizer Rechargeable in the performance battery segment.

No word on a UK launch for those looking to last a little longer, the Energizer Advanced Lithium batteries will be available in stores in mid-August with a suggested retail price of $7.99 for a four-pack.