Originally Posted by ks1g

Problems with the tablet - battery life, weather protection, damage from vibration (even with damping from a good RAM mount). If I was determined to try the tablet, I'd put it in a strong zip-lok bag and carry it in a jersey pocket (if it will fit - 7" might be too big). You can purchase battery packs that take 2 AA batteries and have a USB port (cable required) to recharge portable electronics. Still leaves mounting and weather protection. I would look for close-outs, returns, and refurbs on GPS units designed for on-bike use.