KING SOLAR ™ 4-Slots Li-ion Ni-MH Ni-CD Intelligent LCD Battery Tester & Battery Charger with 12V 2.5A EU Plug Adapter for 26700.26650, 22650, 18650, 18490, 17670, 17650, 17500, 16340, 14500, 10440 Ni-MH and Ni-CD, A, AA, AAA, C, D, SC battery (Black) (Electronics)
Good workmanship. Slide running clean. The LCD has a very limited viewing angle, the tiny icons are nothing for Altersweitsichtige. But goes. The beeper is incredibly loud. Screwed onto Tesa soundhole: better. You could also increase resistance R43.