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Currently, we have discovered and are resolving this issue. You can turn off the AC output button when not using AC-carrying appliances. We expect to release a new firmware to fix this issue in the short term. You can pay attention to the upgrade reminders on the APP. If user feedback still cannot solve the problem, upgrade technical support for processing.
In order to make the product more beautiful, this product adopts a special spraying process, which gives the product a metallic texture. The small texture on the product shell is an irregular pattern produced by the special process, not a manufacturing defect. This pattern will not affect the product's service life and functional performance, nor will it affect the product's warranty service. Please use it with confidence!
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DELTA 3 (1024Wh) solar panel charging 11-60V, 15A, maximum 500W The following is the estimated charging time for different combinations of Zhenghao solar panels when the weather is very good: (for reference only) 160W: about 8 hours, direct connection (recommended index: ⭐⭐⭐) Two 160W: about 4 hours, in series (recommended index: ⭐⭐⭐⭐) 220W: about 6 hours, in series (recommended index: ⭐⭐⭐) Two 220W: about 3 hours, in series (recommended index: ⭐⭐⭐⭐⭐) One 400W: about 3.3 hours, direct connection The charging speed of solar panels depends on weather conditions, subject to actual testing.
Delta 3 uses high-quality lithium iron phosphate batteries, with a total of 16 cells in 16 series and a total voltage of 51.2V.