iPowerUp launches 2 PwrVault products providing extra power to either Blackberry smartphones or the iPhone 4.
The PwrVault for iPhone 4 carries a 1680 mAh Lithium-Polymer battery, toegether with an iPhone dock connector, mini-USB port (for AC/DC/USB external charging) and a LED power gauge showing power status.
Coming in the form of a non-slip rubber case, iPowerUp says it extends talk time to up to 6 hours (with up to 350 hours of standby time), while also improving phone reception.
The PwrVault Hybrid for Blackberry (for Curve 9330, 9300, 8530, and 8520 models) has the same specifications as the iPhone model, with an additional solar panel on its back providing solar-powered recharing.
It comes complete with a kickstand (for optimised solar charging) and extends talk time to up to 7 hours (with 16 days' worth of standby time).