How I used the Klein Tools CL390 AC/DC clamp meter to test a 10-year-old solar panel: open circuit voltage, short circuit current, and the drop over time.
Category: Home & Tools
My Dlypow digital battery tester review: testing AAA batteries, the health indicator, magnetic holder, USB-C charging, compatible batteries, pros, and cons.
My Proster USB-C rechargeable smart multimeter review: testing my 12V lithium battery, a trickle solar panel and a 100W panel, 5-inch screen, pros, and cons.
My JiajaX Ni-MH AA rechargeable battery review: swapping them into my front lawn solar lights, 600mAh capacity, daily solar recharge, pros, and cons.
My Granicell rechargeable AA batteries review: eight 2800mAh Ni-MH cells, a USB-C 8-bay smart charger with per-slot LEDs, AA/AAA support, and holiday tree test.