Gomadic Intelligent Compact Car / Auto DC Charger suitable for the TomTom Go 910 - 2A / 10W power at half the size. Uses Gomadic TipExchange Technology Gomadic TipExchange Technology protects your investment by providing a means to change/upgrade your charger by simply swapping the physical charging tip. (Charging tip for TomTom Go 910) included with additional tips sold separately) Charger provides a full 10W (2,000mAh) of available current in a small form factor a little over 1 inch long. Flexible, straight cable measure 50 inches in total length. Intelligent circuit provides precise output voltage and resistor configuration specific to the TomTom Go 910. This ensures battery is safely and efficiently charged without affecting battery longevity. Built using high quality capacitors and circuit components to ensure that charging current does not interfere with FM radio transmissions. Rigorous Q&A process. A best-selling product from Gomadic Corp, one of the leaders in consumer electronic charging accessories.