Bought on aliexpress, MPPT Solar Controller Solar Panel Voltage Stabilizer Inverter QC2.0 3.0 PD 2.0 3.0 Quick Charge Type-C DC Output for DIY Charger. Been using it since more than a year and it is very effective and charges your phone quickly.
iRobot Braava battery 2000
the battery pack from the iRobot with a much more efficient one. Even though it uses very simple batteries Ni-MH that are quite safe it still has three safety features and NTC, a safety switch and a resettable fuse.
LX2, LX3 OMEGON mini track startracker c...
LX2 Omegon mini track star-tracker fix-r...
the Omegon LX2 mini track is a great star tracker for anyone wanting to try astrophotography. It is mechanical and ticks like the crocodile in Peter Pan 🐊. I bought the Lx2 version as it is the one I needed for Southern hemisphere astrophotography. Unfortunately there was something wrong with it and the movement was […]