For this price you can not expect much, but that the batteries after two days gave up the ghost, is regrettable. An external battery does not help, the battery is defective. Now I am looking for new "solar suitable" batteries. In addition I have opened the device; in there it looks like "higgledy-piggledy"! Only the exterior design is appealing. In addition, I have made even bother to determine the energy balance of the unit of measurement technology, with the following result: - Charging current (cloudy): 4 mA - Current consumption LEDs: 19 mA For example, in mid-December in cloudy weather results in the following energy balance: - Approx. 15 hrs LED Lighting period (discharge) -> 285 mAh - About 9 hours charge -.> 36 mAh From this it can be seen clearly that this device in our latitudes completely unsuitable for the intended use is (in China like it still reasonably function)! Overall, the motto applies to: Who buys cheap, buys twice! HelRi
