In order to bring you a thoughtful shopping experience, if any issues came out during the warranty, please send us the video which shows how inverter fail to work normally, and your order invoice. Our specialist will find out the reason accroding to your video. Meanwhile, please send the inverter back to our office. After receiving your item, we will send you a replacement as soon as possible. Further more, Giandel Inverter has been covered Product Liability Insurance by AIG Company. It is totally worthy of your trust.
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