In the UK on average 1 fire per week is caused by connecting an e-cigarette battery to an unsuitable USB adaptor plug.
The Fireguard is the UK's FIRST all in one mains to battery e-cigarette charger.
SAFE: Prevents dangerous connections to incompatible high powered USB/phone chargers.
SMART: Cuts off power to the battery when charged, preventing hazardous over heating
UNIVERSAL: connects to all standard screw in E-cigarette batteries.