The efficiency of a PV cell is simply the amount of electrical power coming out of the cell compared to the energy from the light shining on it, which indicates how effective the cell is at converting energy from one form to the other. This current is extracted through conductive metal contacts – the grid-like lines on a solar cells – and can then be used to power your home and the rest of the electric grid. This extra energy allows the electrons to flow through the material as an electrical current. When the semiconductor is exposed to light, it absorbs the light’s energy and transfers it to negatively charged particles in the material called electrons. There are several different semiconductor materials used in PV cells. The PV cell is composed of semiconductor material the “semi” means that it can conduct electricity better than an insulator but not as well as a good conductor like a metal. Please do not send your purchase back to us unless we authorise you to do so.When light shines on a photovoltaic (PV) cell – also called a solar cell – that light may be reflected, absorbed, or pass right through the cell. You must contact us first and we will guide you through the steps. If for any reason you would like to exchange your product, perhaps for a different size in clothing. If you are approved for a refund, then your refund will be processed, and a credit will automatically be applied to your credit card or original method of payment, within 14 days. You can do it by sending a message on Contact Us page *You can submit refund requests within 15 days after the guaranteed period for delivery (60 days) has expired. Other exceptional circumstances outside the control of.not cleared by customs, delayed by a natural disaster). Your order did not arrive due to exceptional circumstances outside the control of CNTRONIC Consumer Electronics Retailer (i.e.Your order did not arrive due to factors within your control (i.e.If you do not want the product you’ve receive you may request a refund but you must return the item at your expense and the item must be unused. If you received the wrong item you can request a refund or a reshipment. If you did not receive the product within the guaranteed time(60 days not including 2-5 day processing) you can request a refund or a reshipment. Therefore, if you’d like a refund you can request one no matter the reason. Once the packaging and shipping process has started, it can no longer be cancelled. If your order has been paid and you need to make a change or cancel an order, you must contact us within 12 hours. REFUNDS & RETURNS POLICY Order cancellationĪll orders can be cancelled until they are shipped. If you have any other questions, please contact us and we will do our best to help you out. Will my items be sent in one package?įor logistical reasons, items in the same purchase will sometimes be sent in separate packages, even if you've specified combined shipping. My tracking says “no information available at the moment”.įor some shipping companies, it takes 2-5 business days for the tracking information to update on the system. Yes, you will receive an email once your order ships that contains your tracking information. *This doesn’t include our 2-5 day processing time. By purchasing our products, you consent that one or more packages may be shipped to you and may get custom fees when they arrive to your country. We are not responsible for any custom fees once the items have shipped. If you happen to be located in one of those countries we will contact you. However, there are some location we are unable to ship to. We provide free shipping to over 200 countries around the world. Packages shipped from our US warehouse are shipped through USPS. Packages from our warehouse in China will be shipped by ePacket or EMS depending on the weight and size of the product. We will continue to grow to meet the needs of all our customers, delivering a service beyond all expectation anywhere in the world. Nothing means more to us than bringing our customers great value and service. We are proud to offer international shipping services that currently operate in over 200 countries and islands world wide.
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