GoldenGadgets.com offers this 2000mAh Portable Solar Charger, model no. S-ZWT01, for $19.99. Add coupon code "ENDSUM09" to cut it to $17.99
. With $2.41
for shipping, it's pennies under our June mention and the lowest total price we seen. It includes interchangeable power tips compatible with several portable electronic devices, built-in 2000mAh lithium-ion battery, and USB connectivity.