Best prices on Samsung sph m300 car charger in Electronics. Check out BizRate for great deals on Electronics from . Use BizRate's latest online shopping features to compare prices for Samsung sph m300 car charger. Read product specifications, calculate tax and shipping charges, sort your results, and buy Electronics with confidence. Easily narrow your search and find the product that's perfect for you: Samsung SPH-M300 Car Charger - Retractable-Cord Car Charger for Samsung SPH-M300.