Light Bringer

I have been researching which Solar power generator i can use as a backup power supply at home. To cut the story short, i have chosen Bluetti EB70 1000W because this large power bank can accept solar panel, car charger and home power plug as input charger. Do note that max input is 200W so dont bother buying any Solar Panel which exceed 200W. There are many cheaper alternative to this but i have chosen this mainly because of the battery type. It uses  ultra-stable LiFePO4 battery chemistry,2500+ life cycles ! The recharge cycle matters! and this is the same battery used in EV vehicle. So it much better compare to other types of battery. Here are its full specifications:- Massive 716Wh capacity and 1000W rated wattage The ultra-stable LiFePO4 battery chemistry,2500+ life cycles 2*230V AC outlets, 2*100W PD ports, 2*5V/3A USB-A ports, 2*regulated 12V/10A DC outputs, 1*12V/10A car port,1*15W wireless charging pad. With max input of 200W, this power station can be fully recharged in 3-...

If you want to delete files which contain certain string in a folder, you can use the following powershell command. In this example , i am searching for all files which contain the string _thumb in the folder e:\targetfolder and delete it, Get-Childitem -path e:\targetfolder -Filter *.jpg -Recurse | where-object {$_.Name -ilike "*_thumb*"} | Remove-Item -Force -WhatIf //display file to be delete  Get-Childitem -path e:\targetfolder -Filter *.jpg -Recurse | where-object {$_.Name -ilike "*_thumb*"} | Remove-Item -Force  //actually delete the files

 If you notice i did owned a Samsung Galaxy Phone S21 Ultra 5G. When the new Galaxy Watch 4 Classic LTE was launched. I pre order 1 after viewing all the rav review in youtube mentioning how good is the watch. Well it is all a LIE ! The biggest issue with this watch is overheating issue ! A) Cant make a call or receive a call more than 10 seconds. Yes you read that right, the youtube claim the latest firmware fix all issue but is all a lie. Once ESIM is enable on my watch i can hardly make a call or receive a call more than 10 seconds. After 6 or more second the watch would go into airplane mode due to overheating issue. This is very annoying.  B) Downloading anything from playstore will cause it to overheat! Yes this is so stupid, when i try to download anything from playstore using LTE on the watch, it will go into overheating mode in less than 5 seconds ! I went to service center and reproduce the issue in front of them and they ask me to leave my 1 week watch there for obs...

The 100x zoom on Samsung S21 is quite usable.

 Today mark the 3 day of using my new Samsung S21 Ultra 5G. It amaze me how those paid reviewer can claim that this phone can last a day with good battery life.  Just for the record a day means 24 hours not 8 hours. Today from morning 9am i play pokemon for 2 hours, watch youtube for 1 hour and 10 minutes , facebook for 38 minutes and run geekbench for 24 minutes ( 1 run it more than one time to see if the numbers go up or not) and 8 minutes of Waze (GPS) The battery drop from 100% (9 in the morning) to 30% (7pm in the afternoon) at an alarming rate.  As of writing now is 8pm and the battery life is at 25%.  So the battery life is not superb but barely pass my real world test because ussually by 8pm i will be back at home and have access to my charge to charge my phone. Now i wonder why those reviewer claim the battery life is very good. 

Here are some sample photos takrn from Samsung S21 Ultra using night mode. This playground is dark with no light. These photos is unedited. Overall the quality is very good. In fact is better than Huawei P30 pro night mode. 

Today is the second day, battery life dip to a dangeorus low level with just approximately 13 hours of usage. Some hardcore samsung users indicate i need to give 1 week time for it to improve. Well i will wait and see. I also took a few photos to check out how good is the camera at low light. Check out all these out of the camera photos , unedited. As you can see it handle blue sky quite well with good dynamic range. The zoom lens is good too in good lighting.  This is where it start to fail. Under heavy red shadow everything turns red. I guess this is a problem with the camera sensor. I will try to take some low light photos tonight.Stay tune...