... . All products we sold out are strictly selected and tested by our QC department. Functioning Test: Outlook ... (short circuit, overload, over temperature, low battery,.) and so on.WarrantyWe provide 1 year warranty.PaymentWe accept ... (Bank transfer), Western Union and PayPal. We accept bank transfer for large orders. For small order, you'd better ... Solar System, AC220V Solar Energy System for Home Use