Gomadic High Output Home Wall AC Charger designed for the Nokia Asha 300 with Power Sleep technology - Intelligently designed with Gomadic TipExchange Gomadic Powerful High Wattage wall charger for home or travel use. Customized circuit design is based on the latest in power regulation and is tailored to the precise output voltage and resistor ID requirements of the Nokia Asha 300 (accurate to 0.1v!) Power Sleep"" feature reduces vampire power draw 99%. Charger will consume less than 0.1W of power when in ""dormant state"" (e.g. not connected to the Nokia Asha 300). Advanced state-of-the-art internal circuitry protects the Nokia Asha 300 from power surges, overcharging, and short-circuiting, to significantly extend the internal battery lifecycle. Uniquely engineered in a small, lightweight, and highly portable design, the Gomadic Nokia Asha 300 Wall Charger travels easily, saving both space and time. Foldable wall outlet plug makes for a very compact, portable design. Advancements in power circuit miniaturization now gives you an amazingly powerful charger for its size.