Portable Power Technology are one of our approved suppliers who we have used for many years now, their customer service, technical knowledge and product reliability is why we have stuck with them. On the rare occasion there is a problem with one of the products they always deal with these efficiently and send out replacements quickly, they also keep us informed on the progress and outcome of the tests on the product. We regularly deal with Alicia who is extremely helpful friendly and has great product knowledge she is always on hand to answer any questions we might have. We would highly recommend Portable Power Technology to anyone looking for reliable electrical products and great customer service.