Need to make an urgent call whilst on site, but your phone is low on power Here s the solution, a USB adaptor that fits onto your power tool battery. It allows you to use the power stored in the battery to charge your mobile phone, tablet, GPS, camera or any other device via two USB ports. This invaluable device transforms a battery into a portable charger. With the USB adaptor you have a reservoir of power available during a power cut or lack of supply. Not just for site use, it s great for camping, caravanning and other leisure pursuits allowing you to make fuller use of a power source you already own. Features and Benefits: Transforms a cordless power tool battery into a portable charger Two USB ports, charge your phone, tablet, GPS, camera etc Great for camping, caravanning and other leisure pursuits Make full use of a power source you already own Potential to recharge your mobile up to seven times Adaptors available for Makita, Bosch and DeWalt batteries